Move test into test/std subdirectory.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/input.output/file.streams/c.files/cinttypes.pass.cpp

@@ -0,0 +1,929 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// test <cinttypes>
+
+#include <cinttypes>
+#include <type_traits>
+
+#ifndef INT8_MIN
+#error INT8_MIN not defined
+#endif
+
+#ifndef INT16_MIN
+#error INT16_MIN not defined
+#endif
+
+#ifndef INT32_MIN
+#error INT32_MIN not defined
+#endif
+
+#ifndef INT64_MIN
+#error INT64_MIN not defined
+#endif
+
+#ifndef INT8_MAX
+#error INT8_MAX not defined
+#endif
+
+#ifndef INT16_MAX
+#error INT16_MAX not defined
+#endif
+
+#ifndef INT32_MAX
+#error INT32_MAX not defined
+#endif
+
+#ifndef INT64_MAX
+#error INT64_MAX not defined
+#endif
+
+#ifndef UINT8_MAX
+#error UINT8_MAX not defined
+#endif
+
+#ifndef UINT16_MAX
+#error UINT16_MAX not defined
+#endif
+
+#ifndef UINT32_MAX
+#error UINT32_MAX not defined
+#endif
+
+#ifndef UINT64_MAX
+#error UINT64_MAX not defined
+#endif
+
+#ifndef INT_LEAST8_MIN
+#error INT_LEAST8_MIN not defined
+#endif
+
+#ifndef INT_LEAST16_MIN
+#error INT_LEAST16_MIN not defined
+#endif
+
+#ifndef INT_LEAST32_MIN
+#error INT_LEAST32_MIN not defined
+#endif
+
+#ifndef INT_LEAST64_MIN
+#error INT_LEAST64_MIN not defined
+#endif
+
+#ifndef INT_LEAST8_MAX
+#error INT_LEAST8_MAX not defined
+#endif
+
+#ifndef INT_LEAST16_MAX
+#error INT_LEAST16_MAX not defined
+#endif
+
+#ifndef INT_LEAST32_MAX
+#error INT_LEAST32_MAX not defined
+#endif
+
+#ifndef INT_LEAST64_MAX
+#error INT_LEAST64_MAX not defined
+#endif
+
+#ifndef UINT_LEAST8_MAX
+#error UINT_LEAST8_MAX not defined
+#endif
+
+#ifndef UINT_LEAST16_MAX
+#error UINT_LEAST16_MAX not defined
+#endif
+
+#ifndef UINT_LEAST32_MAX
+#error UINT_LEAST32_MAX not defined
+#endif
+
+#ifndef UINT_LEAST64_MAX
+#error UINT_LEAST64_MAX not defined
+#endif
+
+#ifndef INT_FAST8_MIN
+#error INT_FAST8_MIN not defined
+#endif
+
+#ifndef INT_FAST16_MIN
+#error INT_FAST16_MIN not defined
+#endif
+
+#ifndef INT_FAST32_MIN
+#error INT_FAST32_MIN not defined
+#endif
+
+#ifndef INT_FAST64_MIN
+#error INT_FAST64_MIN not defined
+#endif
+
+#ifndef INT_FAST8_MAX
+#error INT_FAST8_MAX not defined
+#endif
+
+#ifndef INT_FAST16_MAX
+#error INT_FAST16_MAX not defined
+#endif
+
+#ifndef INT_FAST32_MAX
+#error INT_FAST32_MAX not defined
+#endif
+
+#ifndef INT_FAST64_MAX
+#error INT_FAST64_MAX not defined
+#endif
+
+#ifndef UINT_FAST8_MAX
+#error UINT_FAST8_MAX not defined
+#endif
+
+#ifndef UINT_FAST16_MAX
+#error UINT_FAST16_MAX not defined
+#endif
+
+#ifndef UINT_FAST32_MAX
+#error UINT_FAST32_MAX not defined
+#endif
+
+#ifndef UINT_FAST64_MAX
+#error UINT_FAST64_MAX not defined
+#endif
+
+#ifndef INTPTR_MIN
+#error INTPTR_MIN not defined
+#endif
+
+#ifndef INTPTR_MAX
+#error INTPTR_MAX not defined
+#endif
+
+#ifndef UINTPTR_MAX
+#error UINTPTR_MAX not defined
+#endif
+
+#ifndef INTMAX_MIN
+#error INTMAX_MIN not defined
+#endif
+
+#ifndef INTMAX_MAX
+#error INTMAX_MAX not defined
+#endif
+
+#ifndef UINTMAX_MAX
+#error UINTMAX_MAX not defined
+#endif
+
+#ifndef PTRDIFF_MIN
+#error PTRDIFF_MIN not defined
+#endif
+
+#ifndef PTRDIFF_MAX
+#error PTRDIFF_MAX not defined
+#endif
+
+#ifndef SIG_ATOMIC_MIN
+#error SIG_ATOMIC_MIN not defined
+#endif
+
+#ifndef SIG_ATOMIC_MAX
+#error SIG_ATOMIC_MAX not defined
+#endif
+
+#ifndef SIZE_MAX
+#error SIZE_MAX not defined
+#endif
+
+#ifndef WCHAR_MIN
+#error WCHAR_MIN not defined
+#endif
+
+#ifndef WCHAR_MAX
+#error WCHAR_MAX not defined
+#endif
+
+#ifndef WINT_MIN
+#error WINT_MIN not defined
+#endif
+
+#ifndef WINT_MAX
+#error WINT_MAX not defined
+#endif
+
+#ifndef INT8_C
+#error INT8_C not defined
+#endif
+
+#ifndef INT16_C
+#error INT16_C not defined
+#endif
+
+#ifndef INT32_C
+#error INT32_C not defined
+#endif
+
+#ifndef INT64_C
+#error INT64_C not defined
+#endif
+
+#ifndef UINT8_C
+#error UINT8_C not defined
+#endif
+
+#ifndef UINT16_C
+#error UINT16_C not defined
+#endif
+
+#ifndef UINT32_C
+#error UINT32_C not defined
+#endif
+
+#ifndef UINT64_C
+#error UINT64_C not defined
+#endif
+
+#ifndef INTMAX_C
+#error INTMAX_C not defined
+#endif
+
+#ifndef UINTMAX_C
+#error UINTMAX_C not defined
+#endif
+
+#ifndef PRId8
+#error PRId8 not defined
+#endif
+
+#ifndef PRId16
+#error PRId16 not defined
+#endif
+
+#ifndef PRId32
+#error PRId32 not defined
+#endif
+
+#ifndef PRId64
+#error PRId64 not defined
+#endif
+
+#ifndef PRIdLEAST8
+#error PRIdLEAST8 not defined
+#endif
+
+#ifndef PRIdLEAST16
+#error PRIdLEAST16 not defined
+#endif
+
+#ifndef PRIdLEAST32
+#error PRIdLEAST32 not defined
+#endif
+
+#ifndef PRIdLEAST64
+#error PRIdLEAST64 not defined
+#endif
+
+#ifndef PRIdFAST8
+#error PRIdFAST8 not defined
+#endif
+
+#ifndef PRIdFAST16
+#error PRIdFAST16 not defined
+#endif
+
+#ifndef PRIdFAST32
+#error PRIdFAST32 not defined
+#endif
+
+#ifndef PRIdFAST64
+#error PRIdFAST64 not defined
+#endif
+
+#ifndef PRIdMAX
+#error PRIdMAX not defined
+#endif
+
+#ifndef PRIdPTR
+#error PRIdPTR not defined
+#endif
+
+#ifndef PRIi8
+#error PRIi8 not defined
+#endif
+
+#ifndef PRIi16
+#error PRIi16 not defined
+#endif
+
+#ifndef PRIi32
+#error PRIi32 not defined
+#endif
+
+#ifndef PRIi64
+#error PRIi64 not defined
+#endif
+
+#ifndef PRIiLEAST8
+#error PRIiLEAST8 not defined
+#endif
+
+#ifndef PRIiLEAST16
+#error PRIiLEAST16 not defined
+#endif
+
+#ifndef PRIiLEAST32
+#error PRIiLEAST32 not defined
+#endif
+
+#ifndef PRIiLEAST64
+#error PRIiLEAST64 not defined
+#endif
+
+#ifndef PRIiFAST8
+#error PRIiFAST8 not defined
+#endif
+
+#ifndef PRIiFAST16
+#error PRIiFAST16 not defined
+#endif
+
+#ifndef PRIiFAST32
+#error PRIiFAST32 not defined
+#endif
+
+#ifndef PRIiFAST64
+#error PRIiFAST64 not defined
+#endif
+
+#ifndef PRIiMAX
+#error PRIiMAX not defined
+#endif
+
+#ifndef PRIiPTR
+#error PRIiPTR not defined
+#endif
+
+#ifndef PRIo8
+#error PRIo8 not defined
+#endif
+
+#ifndef PRIo16
+#error PRIo16 not defined
+#endif
+
+#ifndef PRIo32
+#error PRIo32 not defined
+#endif
+
+#ifndef PRIo64
+#error PRIo64 not defined
+#endif
+
+#ifndef PRIoLEAST8
+#error PRIoLEAST8 not defined
+#endif
+
+#ifndef PRIoLEAST16
+#error PRIoLEAST16 not defined
+#endif
+
+#ifndef PRIoLEAST32
+#error PRIoLEAST32 not defined
+#endif
+
+#ifndef PRIoLEAST64
+#error PRIoLEAST64 not defined
+#endif
+
+#ifndef PRIoFAST8
+#error PRIoFAST8 not defined
+#endif
+
+#ifndef PRIoFAST16
+#error PRIoFAST16 not defined
+#endif
+
+#ifndef PRIoFAST32
+#error PRIoFAST32 not defined
+#endif
+
+#ifndef PRIoFAST64
+#error PRIoFAST64 not defined
+#endif
+
+#ifndef PRIoMAX
+#error PRIoMAX not defined
+#endif
+
+#ifndef PRIoPTR
+#error PRIoPTR not defined
+#endif
+
+#ifndef PRIu8
+#error PRIu8 not defined
+#endif
+
+#ifndef PRIu16
+#error PRIu16 not defined
+#endif
+
+#ifndef PRIu32
+#error PRIu32 not defined
+#endif
+
+#ifndef PRIu64
+#error PRIu64 not defined
+#endif
+
+#ifndef PRIuLEAST8
+#error PRIuLEAST8 not defined
+#endif
+
+#ifndef PRIuLEAST16
+#error PRIuLEAST16 not defined
+#endif
+
+#ifndef PRIuLEAST32
+#error PRIuLEAST32 not defined
+#endif
+
+#ifndef PRIuLEAST64
+#error PRIuLEAST64 not defined
+#endif
+
+#ifndef PRIuFAST8
+#error PRIuFAST8 not defined
+#endif
+
+#ifndef PRIuFAST16
+#error PRIuFAST16 not defined
+#endif
+
+#ifndef PRIuFAST32
+#error PRIuFAST32 not defined
+#endif
+
+#ifndef PRIuFAST64
+#error PRIuFAST64 not defined
+#endif
+
+#ifndef PRIuMAX
+#error PRIuMAX not defined
+#endif
+
+#ifndef PRIuPTR
+#error PRIuPTR not defined
+#endif
+
+#ifndef PRIx8
+#error PRIx8 not defined
+#endif
+
+#ifndef PRIx16
+#error PRIx16 not defined
+#endif
+
+#ifndef PRIx32
+#error PRIx32 not defined
+#endif
+
+#ifndef PRIx64
+#error PRIx64 not defined
+#endif
+
+#ifndef PRIxLEAST8
+#error PRIxLEAST8 not defined
+#endif
+
+#ifndef PRIxLEAST16
+#error PRIxLEAST16 not defined
+#endif
+
+#ifndef PRIxLEAST32
+#error PRIxLEAST32 not defined
+#endif
+
+#ifndef PRIxLEAST64
+#error PRIxLEAST64 not defined
+#endif
+
+#ifndef PRIxFAST8
+#error PRIxFAST8 not defined
+#endif
+
+#ifndef PRIxFAST16
+#error PRIxFAST16 not defined
+#endif
+
+#ifndef PRIxFAST32
+#error PRIxFAST32 not defined
+#endif
+
+#ifndef PRIxFAST64
+#error PRIxFAST64 not defined
+#endif
+
+#ifndef PRIxMAX
+#error PRIxMAX not defined
+#endif
+
+#ifndef PRIxPTR
+#error PRIxPTR not defined
+#endif
+
+#ifndef PRIX8
+#error PRIX8 not defined
+#endif
+
+#ifndef PRIX16
+#error PRIX16 not defined
+#endif
+
+#ifndef PRIX32
+#error PRIX32 not defined
+#endif
+
+#ifndef PRIX64
+#error PRIX64 not defined
+#endif
+
+#ifndef PRIXLEAST8
+#error PRIXLEAST8 not defined
+#endif
+
+#ifndef PRIXLEAST16
+#error PRIXLEAST16 not defined
+#endif
+
+#ifndef PRIXLEAST32
+#error PRIXLEAST32 not defined
+#endif
+
+#ifndef PRIXLEAST64
+#error PRIXLEAST64 not defined
+#endif
+
+#ifndef PRIXFAST8
+#error PRIXFAST8 not defined
+#endif
+
+#ifndef PRIXFAST16
+#error PRIXFAST16 not defined
+#endif
+
+#ifndef PRIXFAST32
+#error PRIXFAST32 not defined
+#endif
+
+#ifndef PRIXFAST64
+#error PRIXFAST64 not defined
+#endif
+
+#ifndef PRIXMAX
+#error PRIXMAX not defined
+#endif
+
+#ifndef PRIXPTR
+#error PRIXPTR not defined
+#endif
+
+#ifndef SCNd8
+#error SCNd8 not defined
+#endif
+
+#ifndef SCNd16
+#error SCNd16 not defined
+#endif
+
+#ifndef SCNd32
+#error SCNd32 not defined
+#endif
+
+#ifndef SCNd64
+#error SCNd64 not defined
+#endif
+
+#ifndef SCNdLEAST8
+#error SCNdLEAST8 not defined
+#endif
+
+#ifndef SCNdLEAST16
+#error SCNdLEAST16 not defined
+#endif
+
+#ifndef SCNdLEAST32
+#error SCNdLEAST32 not defined
+#endif
+
+#ifndef SCNdLEAST64
+#error SCNdLEAST64 not defined
+#endif
+
+#ifndef SCNdFAST8
+#error SCNdFAST8 not defined
+#endif
+
+#ifndef SCNdFAST16
+#error SCNdFAST16 not defined
+#endif
+
+#ifndef SCNdFAST32
+#error SCNdFAST32 not defined
+#endif
+
+#ifndef SCNdFAST64
+#error SCNdFAST64 not defined
+#endif
+
+#ifndef SCNdMAX
+#error SCNdMAX not defined
+#endif
+
+#ifndef SCNdPTR
+#error SCNdPTR not defined
+#endif
+
+#ifndef SCNi8
+#error SCNi8 not defined
+#endif
+
+#ifndef SCNi16
+#error SCNi16 not defined
+#endif
+
+#ifndef SCNi32
+#error SCNi32 not defined
+#endif
+
+#ifndef SCNi64
+#error SCNi64 not defined
+#endif
+
+#ifndef SCNiLEAST8
+#error SCNiLEAST8 not defined
+#endif
+
+#ifndef SCNiLEAST16
+#error SCNiLEAST16 not defined
+#endif
+
+#ifndef SCNiLEAST32
+#error SCNiLEAST32 not defined
+#endif
+
+#ifndef SCNiLEAST64
+#error SCNiLEAST64 not defined
+#endif
+
+#ifndef SCNiFAST8
+#error SCNiFAST8 not defined
+#endif
+
+#ifndef SCNiFAST16
+#error SCNiFAST16 not defined
+#endif
+
+#ifndef SCNiFAST32
+#error SCNiFAST32 not defined
+#endif
+
+#ifndef SCNiFAST64
+#error SCNiFAST64 not defined
+#endif
+
+#ifndef SCNiMAX
+#error SCNiMAX not defined
+#endif
+
+#ifndef SCNiPTR
+#error SCNiPTR not defined
+#endif
+
+#ifndef SCNo8
+#error SCNo8 not defined
+#endif
+
+#ifndef SCNo16
+#error SCNo16 not defined
+#endif
+
+#ifndef SCNo32
+#error SCNo32 not defined
+#endif
+
+#ifndef SCNo64
+#error SCNo64 not defined
+#endif
+
+#ifndef SCNoLEAST8
+#error SCNoLEAST8 not defined
+#endif
+
+#ifndef SCNoLEAST16
+#error SCNoLEAST16 not defined
+#endif
+
+#ifndef SCNoLEAST32
+#error SCNoLEAST32 not defined
+#endif
+
+#ifndef SCNoLEAST64
+#error SCNoLEAST64 not defined
+#endif
+
+#ifndef SCNoFAST8
+#error SCNoFAST8 not defined
+#endif
+
+#ifndef SCNoFAST16
+#error SCNoFAST16 not defined
+#endif
+
+#ifndef SCNoFAST32
+#error SCNoFAST32 not defined
+#endif
+
+#ifndef SCNoFAST64
+#error SCNoFAST64 not defined
+#endif
+
+#ifndef SCNoMAX
+#error SCNoMAX not defined
+#endif
+
+#ifndef SCNoPTR
+#error SCNoPTR not defined
+#endif
+
+#ifndef SCNu8
+#error SCNu8 not defined
+#endif
+
+#ifndef SCNu16
+#error SCNu16 not defined
+#endif
+
+#ifndef SCNu32
+#error SCNu32 not defined
+#endif
+
+#ifndef SCNu64
+#error SCNu64 not defined
+#endif
+
+#ifndef SCNuLEAST8
+#error SCNuLEAST8 not defined
+#endif
+
+#ifndef SCNuLEAST16
+#error SCNuLEAST16 not defined
+#endif
+
+#ifndef SCNuLEAST32
+#error SCNuLEAST32 not defined
+#endif
+
+#ifndef SCNuLEAST64
+#error SCNuLEAST64 not defined
+#endif
+
+#ifndef SCNuFAST8
+#error SCNuFAST8 not defined
+#endif
+
+#ifndef SCNuFAST16
+#error SCNuFAST16 not defined
+#endif
+
+#ifndef SCNuFAST32
+#error SCNuFAST32 not defined
+#endif
+
+#ifndef SCNuFAST64
+#error SCNuFAST64 not defined
+#endif
+
+#ifndef SCNuMAX
+#error SCNuMAX not defined
+#endif
+
+#ifndef SCNuPTR
+#error SCNuPTR not defined
+#endif
+
+#ifndef SCNx8
+#error SCNx8 not defined
+#endif
+
+#ifndef SCNx16
+#error SCNx16 not defined
+#endif
+
+#ifndef SCNx32
+#error SCNx32 not defined
+#endif
+
+#ifndef SCNx64
+#error SCNx64 not defined
+#endif
+
+#ifndef SCNxLEAST8
+#error SCNxLEAST8 not defined
+#endif
+
+#ifndef SCNxLEAST16
+#error SCNxLEAST16 not defined
+#endif
+
+#ifndef SCNxLEAST32
+#error SCNxLEAST32 not defined
+#endif
+
+#ifndef SCNxLEAST64
+#error SCNxLEAST64 not defined
+#endif
+
+#ifndef SCNxFAST8
+#error SCNxFAST8 not defined
+#endif
+
+#ifndef SCNxFAST16
+#error SCNxFAST16 not defined
+#endif
+
+#ifndef SCNxFAST32
+#error SCNxFAST32 not defined
+#endif
+
+#ifndef SCNxFAST64
+#error SCNxFAST64 not defined
+#endif
+
+#ifndef SCNxMAX
+#error SCNxMAX not defined
+#endif
+
+#ifndef SCNxPTR
+#error SCNxPTR not defined
+#endif
+
+int main()
+{
+    {
+    std::int8_t  i1 = 0;
+    std::int16_t i2 = 0;
+    std::int32_t i3 = 0;
+    std::int64_t i4 = 0;
+    }
+    {
+    std::uint8_t  i1 = 0;
+    std::uint16_t i2 = 0;
+    std::uint32_t i3 = 0;
+    std::uint64_t i4 = 0;
+    }
+    {
+    std::int_least8_t  i1 = 0;
+    std::int_least16_t i2 = 0;
+    std::int_least32_t i3 = 0;
+    std::int_least64_t i4 = 0;
+    }
+    {
+    std::uint_least8_t  i1 = 0;
+    std::uint_least16_t i2 = 0;
+    std::uint_least32_t i3 = 0;
+    std::uint_least64_t i4 = 0;
+    }
+    {
+    std::int_fast8_t  i1 = 0;
+    std::int_fast16_t i2 = 0;
+    std::int_fast32_t i3 = 0;
+    std::int_fast64_t i4 = 0;
+    }
+    {
+    std::uint_fast8_t  i1 = 0;
+    std::uint_fast16_t i2 = 0;
+    std::uint_fast32_t i3 = 0;
+    std::uint_fast64_t i4 = 0;
+    }
+    {
+    std::intptr_t  i1 = 0;
+    std::uintptr_t i2 = 0;
+    std::intmax_t  i3 = 0;
+    std::uintmax_t i4 = 0;
+    }
+    {
+    std::imaxdiv_t  i1 = {0};
+    }
+    std::intmax_t i = 0;
+    static_assert((std::is_same<decltype(std::imaxabs(i)), std::intmax_t>::value), "");
+    static_assert((std::is_same<decltype(std::imaxdiv(i, i)), std::imaxdiv_t>::value), "");
+    static_assert((std::is_same<decltype(std::strtoimax("", (char**)0, 0)), std::intmax_t>::value), "");
+    static_assert((std::is_same<decltype(std::strtoumax("", (char**)0, 0)), std::uintmax_t>::value), "");
+    static_assert((std::is_same<decltype(std::wcstoimax(L"", (wchar_t**)0, 0)), std::intmax_t>::value), "");
+    static_assert((std::is_same<decltype(std::wcstoumax(L"", (wchar_t**)0, 0)), std::uintmax_t>::value), "");
+}

test/std/input.output/file.streams/c.files/cstdio.pass.cpp

@@ -0,0 +1,139 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// test <cstdio>
+
+#include <cstdio>
+#include <type_traits>
+
+#ifndef BUFSIZ
+#error BUFSIZ not defined
+#endif
+
+#ifndef EOF
+#error EOF not defined
+#endif
+
+#ifndef FILENAME_MAX
+#error FILENAME_MAX not defined
+#endif
+
+#ifndef FOPEN_MAX
+#error FOPEN_MAX not defined
+#endif
+
+#ifndef L_tmpnam
+#error L_tmpnam not defined
+#endif
+
+#ifndef NULL
+#error NULL not defined
+#endif
+
+#ifndef SEEK_CUR
+#error SEEK_CUR not defined
+#endif
+
+#ifndef SEEK_END
+#error SEEK_END not defined
+#endif
+
+#ifndef SEEK_SET
+#error SEEK_SET not defined
+#endif
+
+#ifndef TMP_MAX
+#error TMP_MAX not defined
+#endif
+
+#ifndef _IOFBF
+#error _IOFBF not defined
+#endif
+
+#ifndef _IOLBF
+#error _IOLBF not defined
+#endif
+
+#ifndef _IONBF
+#error _IONBF not defined
+#endif
+
+#ifndef stderr
+#error stderr not defined
+#endif
+
+#ifndef stdin
+#error stdin not defined
+#endif
+
+#ifndef stdout
+#error stdout not defined
+#endif
+
+#include <cstdarg>
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wformat-zero-length"
+
+int main()
+{
+    std::FILE* fp = 0;
+    std::fpos_t fpos = {0};
+    std::size_t s = 0;
+    char* cp = 0;
+    std::va_list va;
+    static_assert((std::is_same<decltype(std::remove("")), int>::value), "");
+    static_assert((std::is_same<decltype(std::rename("","")), int>::value), "");
+    static_assert((std::is_same<decltype(std::tmpfile()), std::FILE*>::value), "");
+    static_assert((std::is_same<decltype(std::tmpnam(cp)), char*>::value), "");
+    static_assert((std::is_same<decltype(std::fclose(fp)), int>::value), "");
+    static_assert((std::is_same<decltype(std::fflush(fp)), int>::value), "");
+    static_assert((std::is_same<decltype(std::fopen("", "")), std::FILE*>::value), "");
+    static_assert((std::is_same<decltype(std::freopen("", "", fp)), std::FILE*>::value), "");
+    static_assert((std::is_same<decltype(std::setbuf(fp,cp)), void>::value), "");
+    static_assert((std::is_same<decltype(std::vfprintf(fp,"",va)), int>::value), "");
+    static_assert((std::is_same<decltype(std::fprintf(fp," ")), int>::value), "");
+    static_assert((std::is_same<decltype(std::fscanf(fp,"")), int>::value), "");
+    static_assert((std::is_same<decltype(std::printf(" ")), int>::value), "");
+    static_assert((std::is_same<decltype(std::scanf(" ")), int>::value), "");
+    static_assert((std::is_same<decltype(std::snprintf(cp,0," ")), int>::value), "");
+    static_assert((std::is_same<decltype(std::sprintf(cp," ")), int>::value), "");
+    static_assert((std::is_same<decltype(std::sscanf("","")), int>::value), "");
+    static_assert((std::is_same<decltype(std::vfprintf(fp,"",va)), int>::value), "");
+    static_assert((std::is_same<decltype(std::vfscanf(fp,"",va)), int>::value), "");
+    static_assert((std::is_same<decltype(std::vprintf(" ",va)), int>::value), "");
+    static_assert((std::is_same<decltype(std::vscanf("",va)), int>::value), "");
+    static_assert((std::is_same<decltype(std::vsnprintf(cp,0," ",va)), int>::value), "");
+    static_assert((std::is_same<decltype(std::vsprintf(cp," ",va)), int>::value), "");
+    static_assert((std::is_same<decltype(std::vsscanf("","",va)), int>::value), "");
+    static_assert((std::is_same<decltype(std::fgetc(fp)), int>::value), "");
+    static_assert((std::is_same<decltype(std::fgets(cp,0,fp)), char*>::value), "");
+    static_assert((std::is_same<decltype(std::fputc(0,fp)), int>::value), "");
+    static_assert((std::is_same<decltype(std::fputs("",fp)), int>::value), "");
+    static_assert((std::is_same<decltype(std::getc(fp)), int>::value), "");
+    static_assert((std::is_same<decltype(std::getchar()), int>::value), "");
+#if _LIBCPP_STD_VER <= 11
+    static_assert((std::is_same<decltype(std::gets(cp)), char*>::value), "");
+#endif
+    static_assert((std::is_same<decltype(std::putc(0,fp)), int>::value), "");
+    static_assert((std::is_same<decltype(std::putchar(0)), int>::value), "");
+    static_assert((std::is_same<decltype(std::puts("")), int>::value), "");
+    static_assert((std::is_same<decltype(std::ungetc(0,fp)), int>::value), "");
+    static_assert((std::is_same<decltype(std::fread((void*)0,0,0,fp)), std::size_t>::value), "");
+    static_assert((std::is_same<decltype(std::fwrite((const void*)0,0,0,fp)), std::size_t>::value), "");
+    static_assert((std::is_same<decltype(std::fgetpos(fp, &fpos)), int>::value), "");
+    static_assert((std::is_same<decltype(std::fseek(fp, 0,0)), int>::value), "");
+    static_assert((std::is_same<decltype(std::fsetpos(fp, &fpos)), int>::value), "");
+    static_assert((std::is_same<decltype(std::ftell(fp)), long>::value), "");
+    static_assert((std::is_same<decltype(std::rewind(fp)), void>::value), "");
+    static_assert((std::is_same<decltype(std::clearerr(fp)), void>::value), "");
+    static_assert((std::is_same<decltype(std::feof(fp)), int>::value), "");
+    static_assert((std::is_same<decltype(std::ferror(fp)), int>::value), "");
+    static_assert((std::is_same<decltype(std::perror("")), void>::value), "");
+}

test/std/input.output/file.streams/c.files/gets.fail.cpp

@@ -0,0 +1,23 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// test <cstdio>
+
+// gets 
+
+#include <cstdio>
+
+int main()
+{
+#if _LIBCPP_STD_VER > 11
+    (void) std::gets((char *) NULL);
+#else
+#error
+#endif
+}

test/std/input.output/file.streams/c.files/version_ccstdio.pass.cpp

@@ -0,0 +1,20 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <cstdio>
+
+#include <cstdio>
+
+#ifndef _LIBCPP_VERSION
+#error _LIBCPP_VERSION not defined
+#endif
+
+int main()
+{
+}

test/std/input.output/file.streams/c.files/version_cinttypes.pass.cpp

@@ -0,0 +1,20 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <cinttypes>
+
+#include <cinttypes>
+
+#ifndef _LIBCPP_VERSION
+#error _LIBCPP_VERSION not defined
+#endif
+
+int main()
+{
+}

test/std/input.output/file.streams/fstreams/filebuf.assign/member_swap.pass.cpp

@@ -0,0 +1,54 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_filebuf
+
+// void swap(basic_filebuf& rhs);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+    std::string temp = get_temp_file_name();
+    {
+        std::filebuf f;
+        assert(f.open(temp.c_str(), std::ios_base::out | std::ios_base::in
+                                               | std::ios_base::trunc) != 0);
+        assert(f.is_open());
+        assert(f.sputn("123", 3) == 3);
+        f.pubseekoff(1, std::ios_base::beg);
+        assert(f.sgetc() == '2');
+        std::filebuf f2;
+        f2.swap(f);
+        assert(!f.is_open());
+        assert(f2.is_open());
+        assert(f2.sgetc() == '2');
+    }
+    std::remove(temp.c_str());
+    {
+        std::wfilebuf f;
+        assert(f.open(temp.c_str(), std::ios_base::out | std::ios_base::in
+                                               | std::ios_base::trunc) != 0);
+        assert(f.is_open());
+        assert(f.sputn(L"123", 3) == 3);
+        f.pubseekoff(1, std::ios_base::beg);
+        assert(f.sgetc() == L'2');
+        std::wfilebuf f2;
+        f2.swap(f);
+        assert(!f.is_open());
+        assert(f2.is_open());
+        assert(f2.sgetc() == L'2');
+    }
+    std::remove(temp.c_str());
+}

test/std/input.output/file.streams/fstreams/filebuf.assign/move_assign.pass.cpp

@@ -0,0 +1,56 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_filebuf
+
+// basic_filebuf& operator=(basic_filebuf&& rhs);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    std::string temp = get_temp_file_name();
+    {
+        std::filebuf f;
+        assert(f.open(temp.c_str(), std::ios_base::out | std::ios_base::in
+                                               | std::ios_base::trunc) != 0);
+        assert(f.is_open());
+        assert(f.sputn("123", 3) == 3);
+        f.pubseekoff(1, std::ios_base::beg);
+        assert(f.sgetc() == '2');
+        std::filebuf f2;
+        f2 = move(f);
+        assert(!f.is_open());
+        assert(f2.is_open());
+        assert(f2.sgetc() == '2');
+    }
+    std::remove(temp.c_str());
+    {
+        std::wfilebuf f;
+        assert(f.open(temp.c_str(), std::ios_base::out | std::ios_base::in
+                                               | std::ios_base::trunc) != 0);
+        assert(f.is_open());
+        assert(f.sputn(L"123", 3) == 3);
+        f.pubseekoff(1, std::ios_base::beg);
+        assert(f.sgetc() == L'2');
+        std::wfilebuf f2;
+        f2 = move(f);
+        assert(!f.is_open());
+        assert(f2.is_open());
+        assert(f2.sgetc() == L'2');
+    }
+    std::remove(temp.c_str());
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}

test/std/input.output/file.streams/fstreams/filebuf.assign/nonmember_swap.pass.cpp

@@ -0,0 +1,56 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_filebuf
+
+// template <class charT, class traits>
+// void
+// swap(basic_filebuf<charT, traits>& x, basic_filebuf<charT, traits>& y);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+    std::string temp = get_temp_file_name();
+    {
+        std::filebuf f;
+        assert(f.open(temp.c_str(), std::ios_base::out | std::ios_base::in
+                                               | std::ios_base::trunc) != 0);
+        assert(f.is_open());
+        assert(f.sputn("123", 3) == 3);
+        f.pubseekoff(1, std::ios_base::beg);
+        assert(f.sgetc() == '2');
+        std::filebuf f2;
+        swap(f2, f);
+        assert(!f.is_open());
+        assert(f2.is_open());
+        assert(f2.sgetc() == '2');
+    }
+    std::remove(temp.c_str());
+    {
+        std::wfilebuf f;
+        assert(f.open(temp.c_str(), std::ios_base::out | std::ios_base::in
+                                               | std::ios_base::trunc) != 0);
+        assert(f.is_open());
+        assert(f.sputn(L"123", 3) == 3);
+        f.pubseekoff(1, std::ios_base::beg);
+        assert(f.sgetc() == L'2');
+        std::wfilebuf f2;
+        swap(f2, f);
+        assert(!f.is_open());
+        assert(f2.is_open());
+        assert(f2.sgetc() == L'2');
+    }
+    std::remove(temp.c_str());
+}

test/std/input.output/file.streams/fstreams/filebuf.cons/default.pass.cpp

@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_filebuf
+
+// basic_filebuf();
+
+#include <fstream>
+#include <cassert>
+
+int main()
+{
+    {
+        std::filebuf f;
+        assert(!f.is_open());
+    }
+    {
+        std::wfilebuf f;
+        assert(!f.is_open());
+    }
+}

test/std/input.output/file.streams/fstreams/filebuf.cons/move.pass.cpp

@@ -0,0 +1,54 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_filebuf
+
+// basic_filebuf(basic_filebuf&& rhs);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    std::string temp = get_temp_file_name();
+    {
+        std::filebuf f;
+        assert(f.open(temp.c_str(), std::ios_base::out | std::ios_base::in
+                                               | std::ios_base::trunc) != 0);
+        assert(f.is_open());
+        assert(f.sputn("123", 3) == 3);
+        f.pubseekoff(1, std::ios_base::beg);
+        assert(f.sgetc() == '2');
+        std::filebuf f2(move(f));
+        assert(!f.is_open());
+        assert(f2.is_open());
+        assert(f2.sgetc() == '2');
+    }
+    std::remove(temp.c_str());
+    {
+        std::wfilebuf f;
+        assert(f.open(temp.c_str(), std::ios_base::out | std::ios_base::in
+                                               | std::ios_base::trunc) != 0);
+        assert(f.is_open());
+        assert(f.sputn(L"123", 3) == 3);
+        f.pubseekoff(1, std::ios_base::beg);
+        assert(f.sgetc() == L'2');
+        std::wfilebuf f2(move(f));
+        assert(!f.is_open());
+        assert(f2.is_open());
+        assert(f2.sgetc() == L'2');
+    }
+    std::remove(temp.c_str());
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}

test/std/input.output/file.streams/fstreams/filebuf.members/open_pointer.pass.cpp

@@ -0,0 +1,51 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// basic_filebuf<charT,traits>* open(const char* s, ios_base::openmode mode);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+    std::string temp = get_temp_file_name();
+    {
+        std::filebuf f;
+        assert(f.open(temp.c_str(), std::ios_base::out) != 0);
+        assert(f.is_open());
+        assert(f.sputn("123", 3) == 3);
+    }
+    {
+        std::filebuf f;
+        assert(f.open(temp.c_str(), std::ios_base::in) != 0);
+        assert(f.is_open());
+        assert(f.sbumpc() == '1');
+        assert(f.sbumpc() == '2');
+        assert(f.sbumpc() == '3');
+    }
+    std::remove(temp.c_str());
+    {
+        std::wfilebuf f;
+        assert(f.open(temp.c_str(), std::ios_base::out) != 0);
+        assert(f.is_open());
+        assert(f.sputn(L"123", 3) == 3);
+    }
+    {
+        std::wfilebuf f;
+        assert(f.open(temp.c_str(), std::ios_base::in) != 0);
+        assert(f.is_open());
+        assert(f.sbumpc() == L'1');
+        assert(f.sbumpc() == L'2');
+        assert(f.sbumpc() == L'3');
+    }
+    remove(temp.c_str());
+}

test/std/input.output/file.streams/fstreams/filebuf.virtuals/overflow.pass.cpp

@@ -0,0 +1,142 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// int_type overflow(int_type c = traits::eof());
+
+// This test is not entirely portable
+
+#include <fstream>
+#include <cassert>
+
+#include "platform_support.h" // locale name macros
+
+template <class CharT>
+struct test_buf
+    : public std::basic_filebuf<CharT>
+{
+    typedef std::basic_filebuf<CharT>  base;
+    typedef typename base::char_type   char_type;
+    typedef typename base::int_type    int_type;
+    typedef typename base::traits_type traits_type;
+
+    char_type* pbase() const {return base::pbase();}
+    char_type* pptr()  const {return base::pptr();}
+    char_type* epptr() const {return base::epptr();}
+    void gbump(int n) {base::gbump(n);}
+
+    virtual int_type overflow(int_type c = traits_type::eof()) {return base::overflow(c);}
+};
+
+int main()
+{
+    {
+        test_buf<char> f;
+        assert(f.open("overflow.dat", std::ios_base::out) != 0);
+        assert(f.is_open());
+        assert(f.pbase() == 0);
+        assert(f.pptr() == 0);
+        assert(f.epptr() == 0);
+        assert(f.overflow('a') == 'a');
+        assert(f.pbase() != 0);
+        assert(f.pptr() == f.pbase());
+        assert(f.epptr() - f.pbase() == 4095);
+    }
+    {
+        test_buf<char> f;
+        assert(f.open("overflow.dat", std::ios_base::in) != 0);
+        assert(f.is_open());
+        assert(f.sgetc() == 'a');
+    }
+    std::remove("overflow.dat");
+    {
+        test_buf<char> f;
+        f.pubsetbuf(0, 0);
+        assert(f.open("overflow.dat", std::ios_base::out) != 0);
+        assert(f.is_open());
+        assert(f.pbase() == 0);
+        assert(f.pptr() == 0);
+        assert(f.epptr() == 0);
+        assert(f.overflow('a') == 'a');
+        assert(f.pbase() == 0);
+        assert(f.pptr() == 0);
+        assert(f.epptr() == 0);
+    }
+    {
+        test_buf<char> f;
+        assert(f.open("overflow.dat", std::ios_base::in) != 0);
+        assert(f.is_open());
+        assert(f.sgetc() == 'a');
+    }
+    std::remove("overflow.dat");
+    {
+        test_buf<wchar_t> f;
+        assert(f.open("overflow.dat", std::ios_base::out) != 0);
+        assert(f.is_open());
+        assert(f.pbase() == 0);
+        assert(f.pptr() == 0);
+        assert(f.epptr() == 0);
+        assert(f.overflow(L'a') == L'a');
+        assert(f.pbase() != 0);
+        assert(f.pptr() == f.pbase());
+        assert(f.epptr() - f.pbase() == 4095);
+    }
+    {
+        test_buf<wchar_t> f;
+        assert(f.open("overflow.dat", std::ios_base::in) != 0);
+        assert(f.is_open());
+        assert(f.sgetc() == L'a');
+    }
+    std::remove("overflow.dat");
+    {
+        test_buf<wchar_t> f;
+        f.pubsetbuf(0, 0);
+        assert(f.open("overflow.dat", std::ios_base::out) != 0);
+        assert(f.is_open());
+        assert(f.pbase() == 0);
+        assert(f.pptr() == 0);
+        assert(f.epptr() == 0);
+        assert(f.overflow(L'a') == L'a');
+        assert(f.pbase() == 0);
+        assert(f.pptr() == 0);
+        assert(f.epptr() == 0);
+    }
+    {
+        test_buf<wchar_t> f;
+        assert(f.open("overflow.dat", std::ios_base::in) != 0);
+        assert(f.is_open());
+        assert(f.sgetc() == L'a');
+    }
+    std::remove("overflow.dat");
+    {
+        test_buf<wchar_t> f;
+        f.pubimbue(std::locale(LOCALE_en_US_UTF_8));
+        assert(f.open("overflow.dat", std::ios_base::out) != 0);
+        assert(f.sputc(0x4E51) == 0x4E51);
+        assert(f.sputc(0x4E52) == 0x4E52);
+        assert(f.sputc(0x4E53) == 0x4E53);
+    }
+    {
+        test_buf<char> f;
+        assert(f.open("overflow.dat", std::ios_base::in) != 0);
+        assert(f.is_open());
+        assert(f.sbumpc() == 0xE4);
+        assert(f.sbumpc() == 0xB9);
+        assert(f.sbumpc() == 0x91);
+        assert(f.sbumpc() == 0xE4);
+        assert(f.sbumpc() == 0xB9);
+        assert(f.sbumpc() == 0x92);
+        assert(f.sbumpc() == 0xE4);
+        assert(f.sbumpc() == 0xB9);
+        assert(f.sbumpc() == 0x93);
+        assert(f.sbumpc() == -1);
+    }
+    std::remove("overflow.dat");
+}

test/std/input.output/file.streams/fstreams/filebuf.virtuals/pbackfail.pass.cpp

@@ -0,0 +1,56 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// int_type pbackfail(int_type c = traits::eof());
+
+// This test is not entirely portable
+
+#include <fstream>
+#include <cassert>
+
+template <class CharT>
+struct test_buf
+    : public std::basic_filebuf<CharT>
+{
+    typedef std::basic_filebuf<CharT>  base;
+    typedef typename base::char_type   char_type;
+    typedef typename base::int_type    int_type;
+    typedef typename base::traits_type traits_type;
+
+    char_type* eback() const {return base::eback();}
+    char_type* gptr()  const {return base::gptr();}
+    char_type* egptr() const {return base::egptr();}
+    void gbump(int n) {base::gbump(n);}
+
+    virtual int_type pbackfail(int_type c = traits_type::eof()) {return base::pbackfail(c);}
+};
+
+int main()
+{
+    {
+        test_buf<char> f;
+        assert(f.open("underflow.dat", std::ios_base::in) != 0);
+        assert(f.is_open());
+        assert(f.sbumpc() == '1');
+        assert(f.sgetc() == '2');
+        assert(f.pbackfail('a') == -1);
+    }
+    {
+        test_buf<char> f;
+        assert(f.open("underflow.dat", std::ios_base::in | std::ios_base::out) != 0);
+        assert(f.is_open());
+        assert(f.sbumpc() == '1');
+        assert(f.sgetc() == '2');
+        assert(f.pbackfail('a') == 'a');
+        assert(f.sbumpc() == 'a');
+        assert(f.sgetc() == '2');
+    }
+}

test/std/input.output/file.streams/fstreams/filebuf.virtuals/seekoff.pass.cpp

@@ -0,0 +1,66 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// pos_type seekoff(off_type off, ios_base::seekdir way,
+//                  ios_base::openmode which = ios_base::in | ios_base::out);
+// pos_type seekpos(pos_type sp,
+//                  ios_base::openmode which = ios_base::in | ios_base::out);
+
+// This test is not entirely portable
+
+#include <fstream>
+#include <cassert>
+
+int main()
+{
+    {
+        char buf[10];
+        typedef std::filebuf::pos_type pos_type;
+        std::filebuf f;
+        f.pubsetbuf(buf, sizeof(buf));
+        assert(f.open("seekoff.dat", std::ios_base::in | std::ios_base::out
+                                                       | std::ios_base::trunc) != 0);
+        assert(f.is_open());
+        f.sputn("abcdefghijklmnopqrstuvwxyz", 26);
+        assert(buf[0] == 'v');
+        pos_type p = f.pubseekoff(-15, std::ios_base::cur);
+        assert(p == 11);
+        assert(f.sgetc() == 'l');
+        f.pubseekoff(0, std::ios_base::beg);
+        assert(f.sgetc() == 'a');
+        f.pubseekoff(-1, std::ios_base::end);
+        assert(f.sgetc() == 'z');
+        assert(f.pubseekpos(p) == p);
+        assert(f.sgetc() == 'l');
+    }
+    std::remove("seekoff.dat");
+    {
+        wchar_t buf[10];
+        typedef std::filebuf::pos_type pos_type;
+        std::wfilebuf f;
+        f.pubsetbuf(buf, sizeof(buf)/sizeof(buf[0]));
+        assert(f.open("seekoff.dat", std::ios_base::in | std::ios_base::out
+                                                       | std::ios_base::trunc) != 0);
+        assert(f.is_open());
+        f.sputn(L"abcdefghijklmnopqrstuvwxyz", 26);
+        assert(buf[0] == L'v');
+        pos_type p = f.pubseekoff(-15, std::ios_base::cur);
+        assert(p == 11);
+        assert(f.sgetc() == L'l');
+        f.pubseekoff(0, std::ios_base::beg);
+        assert(f.sgetc() == L'a');
+        f.pubseekoff(-1, std::ios_base::end);
+        assert(f.sgetc() == L'z');
+        assert(f.pubseekpos(p) == p);
+        assert(f.sgetc() == L'l');
+    }
+    std::remove("seekoff.dat");
+}

test/std/input.output/file.streams/fstreams/filebuf.virtuals/underflow.dat

@@ -0,0 +1 @@
+123456789

test/std/input.output/file.streams/fstreams/filebuf.virtuals/underflow.pass.cpp

@@ -0,0 +1,121 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// int_type underflow();
+
+// This test is not entirely portable
+
+#include <fstream>
+#include <cassert>
+
+#include "platform_support.h" // locale name macros
+
+template <class CharT>
+struct test_buf
+    : public std::basic_filebuf<CharT>
+{
+    typedef std::basic_filebuf<CharT> base;
+    typedef typename base::char_type  char_type;
+    typedef typename base::int_type   int_type;
+
+    char_type* eback() const {return base::eback();}
+    char_type* gptr()  const {return base::gptr();}
+    char_type* egptr() const {return base::egptr();}
+    void gbump(int n) {base::gbump(n);}
+
+    virtual int_type underflow() {return base::underflow();}
+};
+
+int main()
+{
+    {
+        test_buf<char> f;
+        assert(f.open("underflow.dat", std::ios_base::in) != 0);
+        assert(f.is_open());
+        assert(f.eback() == 0);
+        assert(f.gptr() == 0);
+        assert(f.egptr() == 0);
+        assert(f.underflow() == '1');
+        assert(f.eback() != 0);
+        assert(f.eback() == f.gptr());
+        assert(*f.gptr() == '1');
+        assert(f.egptr() - f.eback() == 9);
+    }
+    {
+        test_buf<char> f;
+        assert(f.open("underflow.dat", std::ios_base::in) != 0);
+        assert(f.pubsetbuf(0, 0));
+        assert(f.is_open());
+        assert(f.eback() == 0);
+        assert(f.gptr() == 0);
+        assert(f.egptr() == 0);
+        assert(f.underflow() == '1');
+        assert(f.eback() != 0);
+        assert(f.eback() == f.gptr());
+        assert(*f.gptr() == '1');
+        assert(f.egptr() - f.eback() == 8);
+        f.gbump(8);
+        assert(f.sgetc() == '9');
+        assert(f.eback()[0] == '5');
+        assert(f.eback()[1] == '6');
+        assert(f.eback()[2] == '7');
+        assert(f.eback()[3] == '8');
+        assert(f.gptr() - f.eback() == 4);
+        assert(*f.gptr() == '9');
+        assert(f.egptr() - f.gptr() == 1);
+    }
+    {
+        test_buf<wchar_t> f;
+        assert(f.open("underflow.dat", std::ios_base::in) != 0);
+        assert(f.is_open());
+        assert(f.eback() == 0);
+        assert(f.gptr() == 0);
+        assert(f.egptr() == 0);
+        assert(f.underflow() == L'1');
+        assert(f.eback() != 0);
+        assert(f.eback() == f.gptr());
+        assert(*f.gptr() == L'1');
+        assert(f.egptr() - f.eback() == 9);
+    }
+    {
+        test_buf<wchar_t> f;
+        assert(f.pubsetbuf(0, 0));
+        assert(f.open("underflow.dat", std::ios_base::in) != 0);
+        assert(f.is_open());
+        assert(f.eback() == 0);
+        assert(f.gptr() == 0);
+        assert(f.egptr() == 0);
+        assert(f.underflow() == L'1');
+        assert(f.eback() != 0);
+        assert(f.eback() == f.gptr());
+        assert(*f.gptr() == L'1');
+        assert(f.egptr() - f.eback() == 8);
+        f.gbump(8);
+        assert(f.sgetc() == L'9');
+        assert(f.eback()[0] == L'5');
+        assert(f.eback()[1] == L'6');
+        assert(f.eback()[2] == L'7');
+        assert(f.eback()[3] == L'8');
+        assert(f.gptr() - f.eback() == 4);
+        assert(*f.gptr() == L'9');
+        assert(f.egptr() - f.gptr() == 1);
+    }
+    {
+        test_buf<wchar_t> f;
+        f.pubimbue(std::locale(LOCALE_en_US_UTF_8));
+        assert(f.open("underflow_utf8.dat", std::ios_base::in) != 0);
+        assert(f.is_open());
+        assert(f.sbumpc() == 0x4E51);
+        assert(f.sbumpc() == 0x4E52);
+        assert(f.sbumpc() == 0x4E53);
+        assert(f.sbumpc() == -1);
+    }
+}

test/std/input.output/file.streams/fstreams/filebuf.virtuals/underflow_utf8.dat

@@ -0,0 +1 @@
+乑乒乓

test/std/input.output/file.streams/fstreams/filebuf/types.pass.cpp

@@ -0,0 +1,34 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_filebuf
+//     : public basic_streambuf<charT, traits>
+// {
+// public:
+//     typedef charT                          char_type;
+//     typedef traits                         traits_type;
+//     typedef typename traits_type::int_type int_type;
+//     typedef typename traits_type::pos_type pos_type;
+//     typedef typename traits_type::off_type off_type;
+
+#include <fstream>
+#include <type_traits>
+
+int main()
+{
+    static_assert((std::is_base_of<std::basic_streambuf<char>, std::basic_filebuf<char> >::value), "");
+    static_assert((std::is_same<std::basic_filebuf<char>::char_type, char>::value), "");
+    static_assert((std::is_same<std::basic_filebuf<char>::traits_type, std::char_traits<char> >::value), "");
+    static_assert((std::is_same<std::basic_filebuf<char>::int_type, std::char_traits<char>::int_type>::value), "");
+    static_assert((std::is_same<std::basic_filebuf<char>::pos_type, std::char_traits<char>::pos_type>::value), "");
+    static_assert((std::is_same<std::basic_filebuf<char>::off_type, std::char_traits<char>::off_type>::value), "");
+}

test/std/input.output/file.streams/fstreams/fstream.assign/member_swap.pass.cpp

@@ -0,0 +1,71 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_fstream
+
+// void swap(basic_fstream& rhs);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+    std::string temp1 = get_temp_file_name();
+    std::string temp2 = get_temp_file_name();
+    {
+        std::fstream fs1(temp1.c_str(), std::ios_base::in | std::ios_base::out
+                                                  | std::ios_base::trunc);
+        std::fstream fs2(temp2.c_str(), std::ios_base::in | std::ios_base::out
+                                                  | std::ios_base::trunc);
+        fs1 << 1 << ' ' << 2;
+        fs2 << 2 << ' ' << 1;
+        fs1.seekg(0);
+        fs1.swap(fs2);
+        fs1.seekg(0);
+        int i;
+        fs1 >> i;
+        assert(i == 2);
+        fs1 >> i;
+        assert(i == 1);
+        i = 0;
+        fs2 >> i;
+        assert(i == 1);
+        fs2 >> i;
+        assert(i == 2);
+    }
+    std::remove(temp1.c_str());
+    std::remove(temp2.c_str());
+    {
+        std::wfstream fs1(temp1.c_str(), std::ios_base::in | std::ios_base::out
+                                                   | std::ios_base::trunc);
+        std::wfstream fs2(temp2.c_str(), std::ios_base::in | std::ios_base::out
+                                                   | std::ios_base::trunc);
+        fs1 << 1 << ' ' << 2;
+        fs2 << 2 << ' ' << 1;
+        fs1.seekg(0);
+        fs1.swap(fs2);
+        fs1.seekg(0);
+        int i;
+        fs1 >> i;
+        assert(i == 2);
+        fs1 >> i;
+        assert(i == 1);
+        i = 0;
+        fs2 >> i;
+        assert(i == 1);
+        fs2 >> i;
+        assert(i == 2);
+    }
+    std::remove(temp1.c_str());
+    std::remove(temp2.c_str());
+}

test/std/input.output/file.streams/fstreams/fstream.assign/move_assign.pass.cpp

@@ -0,0 +1,50 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_fstream
+
+// basic_fstream& operator=(basic_fstream&& rhs);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    std::string temp = get_temp_file_name();
+    {
+        std::fstream fso(temp.c_str(), std::ios_base::in | std::ios_base::out
+                                                 | std::ios_base::trunc);
+        std::fstream fs;
+        fs = move(fso);
+        double x = 0;
+        fs << 3.25;
+        fs.seekg(0);
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+    {
+        std::wfstream fso(temp.c_str(), std::ios_base::in | std::ios_base::out
+                                                  | std::ios_base::trunc);
+        std::wfstream fs;
+        fs = move(fso);
+        double x = 0;
+        fs << 3.25;
+        fs.seekg(0);
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}

test/std/input.output/file.streams/fstreams/fstream.assign/nonmember_swap.pass.cpp

@@ -0,0 +1,72 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_fstream
+
+// template <class charT, class traits>
+//   void swap(basic_fstream<charT, traits>& x, basic_fstream<charT, traits>& y);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+    std::string temp1 = get_temp_file_name();
+    std::string temp2 = get_temp_file_name();
+    {
+        std::fstream fs1(temp1.c_str(), std::ios_base::in | std::ios_base::out
+                                                  | std::ios_base::trunc);
+        std::fstream fs2(temp2.c_str(), std::ios_base::in | std::ios_base::out
+                                                  | std::ios_base::trunc);
+        fs1 << 1 << ' ' << 2;
+        fs2 << 2 << ' ' << 1;
+        fs1.seekg(0);
+        swap(fs1, fs2);
+        fs1.seekg(0);
+        int i;
+        fs1 >> i;
+        assert(i == 2);
+        fs1 >> i;
+        assert(i == 1);
+        i = 0;
+        fs2 >> i;
+        assert(i == 1);
+        fs2 >> i;
+        assert(i == 2);
+    }
+    std::remove(temp1.c_str());
+    std::remove(temp2.c_str());
+    {
+        std::wfstream fs1(temp1.c_str(), std::ios_base::in | std::ios_base::out
+                                                   | std::ios_base::trunc);
+        std::wfstream fs2(temp2.c_str(), std::ios_base::in | std::ios_base::out
+                                                   | std::ios_base::trunc);
+        fs1 << 1 << ' ' << 2;
+        fs2 << 2 << ' ' << 1;
+        fs1.seekg(0);
+        swap(fs1, fs2);
+        fs1.seekg(0);
+        int i;
+        fs1 >> i;
+        assert(i == 2);
+        fs1 >> i;
+        assert(i == 1);
+        i = 0;
+        fs2 >> i;
+        assert(i == 1);
+        fs2 >> i;
+        assert(i == 2);
+    }
+    std::remove(temp1.c_str());
+    std::remove(temp2.c_str());
+}

test/std/input.output/file.streams/fstreams/fstream.cons/default.pass.cpp

@@ -0,0 +1,28 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_fstream
+
+// basic_fstream();
+
+#include <fstream>
+#include <type_traits>
+
+int main()
+{
+    {
+        std::fstream fs;
+    }
+    {
+        std::wfstream fs;
+    }
+}

test/std/input.output/file.streams/fstreams/fstream.cons/move.pass.cpp

@@ -0,0 +1,48 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_fstream
+
+// basic_fstream(basic_fstream&& rhs);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    std::string temp = get_temp_file_name();
+    {
+        std::fstream fso(temp, std::ios_base::in | std::ios_base::out
+                                                 | std::ios_base::trunc);
+        std::fstream fs = move(fso);
+        double x = 0;
+        fs << 3.25;
+        fs.seekg(0);
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+    {
+        std::wfstream fso(temp, std::ios_base::in | std::ios_base::out
+                                                  | std::ios_base::trunc);
+        std::wfstream fs = move(fso);
+        double x = 0;
+        fs << 3.25;
+        fs.seekg(0);
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}

test/std/input.output/file.streams/fstreams/fstream.cons/pointer.pass.cpp

@@ -0,0 +1,44 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_fstream
+
+// explicit basic_fstream(const char* s, ios_base::openmode mode = ios_base::in | ios_base::out);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+    std::string temp = get_temp_file_name();
+    {
+        std::fstream fs(temp.c_str(), std::ios_base::in | std::ios_base::out
+                                                | std::ios_base::trunc);
+        double x = 0;
+        fs << 3.25;
+        fs.seekg(0);
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+    {
+        std::wfstream fs(temp.c_str(), std::ios_base::in | std::ios_base::out
+                                                 | std::ios_base::trunc);
+        double x = 0;
+        fs << 3.25;
+        fs.seekg(0);
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+}

test/std/input.output/file.streams/fstreams/fstream.cons/string.pass.cpp

@@ -0,0 +1,46 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_fstream
+
+// explicit basic_fstream(const string& s, ios_base::openmode mode = ios_base::in|ios_base::out);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+    std::string temp = get_temp_file_name();
+    {
+        std::fstream fs(temp,
+                        std::ios_base::in | std::ios_base::out
+                                          | std::ios_base::trunc);
+        double x = 0;
+        fs << 3.25;
+        fs.seekg(0);
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+    {
+        std::wfstream fs(temp,
+                         std::ios_base::in | std::ios_base::out
+                                           | std::ios_base::trunc);
+        double x = 0;
+        fs << 3.25;
+        fs.seekg(0);
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+}

test/std/input.output/file.streams/fstreams/fstream.members/close.pass.cpp

@@ -0,0 +1,42 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_fstream
+
+// void close();
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+    std::string temp = get_temp_file_name();
+    {
+        std::fstream fs;
+        assert(!fs.is_open());
+        fs.open(temp.c_str(), std::ios_base::out);
+        assert(fs.is_open());
+        fs.close();
+        assert(!fs.is_open());
+    }
+    std::remove(temp.c_str());
+    {
+        std::wfstream fs;
+        assert(!fs.is_open());
+        fs.open(temp.c_str(), std::ios_base::out);
+        assert(fs.is_open());
+        fs.close();
+        assert(!fs.is_open());
+    }
+    std::remove(temp.c_str());
+}

test/std/input.output/file.streams/fstreams/fstream.members/open_pointer.pass.cpp

@@ -0,0 +1,50 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_fstream
+
+// void open(const char* s, ios_base::openmode mode = ios_base::in|ios_base::out);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+    std::string temp = get_temp_file_name();
+    {
+        std::fstream fs;
+        assert(!fs.is_open());
+        fs.open(temp.c_str(), std::ios_base::in | std::ios_base::out
+                                        | std::ios_base::trunc);
+        assert(fs.is_open());
+        double x = 0;
+        fs << 3.25;
+        fs.seekg(0);
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+    {
+        std::wfstream fs;
+        assert(!fs.is_open());
+        fs.open(temp.c_str(), std::ios_base::in | std::ios_base::out
+                                        | std::ios_base::trunc);
+        assert(fs.is_open());
+        double x = 0;
+        fs << 3.25;
+        fs.seekg(0);
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+}

test/std/input.output/file.streams/fstreams/fstream.members/open_string.pass.cpp

@@ -0,0 +1,50 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_fstream
+
+// void open(const string& s, ios_base::openmode mode = ios_base::in|ios_base::out);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+    std::string temp = get_temp_file_name();
+    {
+        std::fstream fs;
+        assert(!fs.is_open());
+        fs.open(temp, std::ios_base::in | std::ios_base::out
+                                                     | std::ios_base::trunc);
+        assert(fs.is_open());
+        double x = 0;
+        fs << 3.25;
+        fs.seekg(0);
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+    {
+        std::wfstream fs;
+        assert(!fs.is_open());
+        fs.open(temp, std::ios_base::in | std::ios_base::out
+                                                     | std::ios_base::trunc);
+        assert(fs.is_open());
+        double x = 0;
+        fs << 3.25;
+        fs.seekg(0);
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+}

test/std/input.output/file.streams/fstreams/fstream.members/rdbuf.pass.cpp

@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_fstream
+
+// basic_filebuf<charT,traits>* rdbuf() const;
+
+#include <fstream>
+#include <cassert>
+
+int main()
+{
+    {
+        std::fstream fs;
+        assert(fs.rdbuf());
+    }
+    {
+        std::wfstream fs;
+        assert(fs.rdbuf());
+    }
+}

test/std/input.output/file.streams/fstreams/fstream/types.pass.cpp

@@ -0,0 +1,34 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_fstream
+//     : public basic_iostream<charT,traits>
+// {
+// public:
+//     typedef charT                          char_type;
+//     typedef traits                         traits_type;
+//     typedef typename traits_type::int_type int_type;
+//     typedef typename traits_type::pos_type pos_type;
+//     typedef typename traits_type::off_type off_type;
+
+#include <fstream>
+#include <type_traits>
+
+int main()
+{
+    static_assert((std::is_base_of<std::basic_iostream<char>, std::basic_fstream<char> >::value), "");
+    static_assert((std::is_same<std::basic_fstream<char>::char_type, char>::value), "");
+    static_assert((std::is_same<std::basic_fstream<char>::traits_type, std::char_traits<char> >::value), "");
+    static_assert((std::is_same<std::basic_fstream<char>::int_type, std::char_traits<char>::int_type>::value), "");
+    static_assert((std::is_same<std::basic_fstream<char>::pos_type, std::char_traits<char>::pos_type>::value), "");
+    static_assert((std::is_same<std::basic_fstream<char>::off_type, std::char_traits<char>::off_type>::value), "");
+}

test/std/input.output/file.streams/fstreams/ifstream.assign/member_swap.pass.cpp

@@ -0,0 +1,42 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ifstream
+
+// void swap(basic_ifstream& rhs);
+
+#include <fstream>
+#include <cassert>
+
+int main()
+{
+    {
+        std::ifstream fs1("test.dat");
+        std::ifstream fs2("test2.dat");
+        fs1.swap(fs2);
+        double x = 0;
+        fs1 >> x;
+        assert(x == 4.5);
+        fs2 >> x;
+        assert(x == 3.25);
+    }
+    {
+        std::wifstream fs1("test.dat");
+        std::wifstream fs2("test2.dat");
+        fs1.swap(fs2);
+        double x = 0;
+        fs1 >> x;
+        assert(x == 4.5);
+        fs2 >> x;
+        assert(x == 3.25);
+    }
+}

test/std/input.output/file.streams/fstreams/ifstream.assign/move_assign.pass.cpp

@@ -0,0 +1,40 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ifstream
+
+// basic_ifstream& operator=(basic_ifstream&& rhs);
+
+#include <fstream>
+#include <cassert>
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        std::ifstream fso("test.dat");
+        std::ifstream fs;
+        fs = move(fso);
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+    {
+        std::wifstream fso("test.dat");
+        std::wifstream fs;
+        fs = move(fso);
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}

test/std/input.output/file.streams/fstreams/ifstream.assign/nonmember_swap.pass.cpp

@@ -0,0 +1,43 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ifstream
+
+// template <class charT, class traits>
+//   void swap(basic_ifstream<charT, traits>& x, basic_ifstream<charT, traits>& y);
+
+#include <fstream>
+#include <cassert>
+
+int main()
+{
+    {
+        std::ifstream fs1("test.dat");
+        std::ifstream fs2("test2.dat");
+        swap(fs1, fs2);
+        double x = 0;
+        fs1 >> x;
+        assert(x == 4.5);
+        fs2 >> x;
+        assert(x == 3.25);
+    }
+    {
+        std::wifstream fs1("test.dat");
+        std::wifstream fs2("test2.dat");
+        swap(fs1, fs2);
+        double x = 0;
+        fs1 >> x;
+        assert(x == 4.5);
+        fs2 >> x;
+        assert(x == 3.25);
+    }
+}

test/std/input.output/file.streams/fstreams/ifstream.assign/test.dat

@@ -0,0 +1 @@
+3.25

test/std/input.output/file.streams/fstreams/ifstream.assign/test2.dat

@@ -0,0 +1 @@
+4.5

test/std/input.output/file.streams/fstreams/ifstream.cons/default.pass.cpp

@@ -0,0 +1,28 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ifstream
+
+// basic_ifstream();
+
+#include <fstream>
+#include <type_traits>
+
+int main()
+{
+    {
+        std::ifstream fs;
+    }
+    {
+        std::wifstream fs;
+    }
+}

test/std/input.output/file.streams/fstreams/ifstream.cons/move.pass.cpp

@@ -0,0 +1,38 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ifstream
+
+// basic_ifstream(basic_ifstream&& rhs);
+
+#include <fstream>
+#include <cassert>
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        std::ifstream fso("test.dat");
+        std::ifstream fs = move(fso);
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+    {
+        std::wifstream fso("test.dat");
+        std::wifstream fs = move(fso);
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}

test/std/input.output/file.streams/fstreams/ifstream.cons/pointer.pass.cpp

@@ -0,0 +1,46 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ifstream
+
+// explicit basic_ifstream(const char* s, ios_base::openmode mode = ios_base::in);
+
+#include <fstream>
+#include <cassert>
+
+int main()
+{
+    {
+        std::ifstream fs("test.dat");
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+    {
+        std::ifstream fs("test.dat", std::ios_base::out);
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+    {
+        std::wifstream fs("test.dat");
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+    {
+        std::wifstream fs("test.dat", std::ios_base::out);
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+}

test/std/input.output/file.streams/fstreams/ifstream.cons/string.pass.cpp

@@ -0,0 +1,46 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ifstream
+
+// explicit basic_ifstream(const string& s, ios_base::openmode mode = ios_base::in);
+
+#include <fstream>
+#include <cassert>
+
+int main()
+{
+    {
+        std::ifstream fs(std::string("test.dat"));
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+    {
+        std::ifstream fs(std::string("test.dat"), std::ios_base::out);
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+    {
+        std::wifstream fs(std::string("test.dat"));
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+    {
+        std::wifstream fs(std::string("test.dat"), std::ios_base::out);
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+}

test/std/input.output/file.streams/fstreams/ifstream.cons/test.dat

@@ -0,0 +1 @@
+3.25

test/std/input.output/file.streams/fstreams/ifstream.members/close.pass.cpp

@@ -0,0 +1,38 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ifstream
+
+// void close();
+
+#include <fstream>
+#include <cassert>
+
+int main()
+{
+    {
+        std::ifstream fs;
+        assert(!fs.is_open());
+        fs.open("test.dat");
+        assert(fs.is_open());
+        fs.close();
+        assert(!fs.is_open());
+    }
+    {
+        std::wifstream fs;
+        assert(!fs.is_open());
+        fs.open("test.dat");
+        assert(fs.is_open());
+        fs.close();
+        assert(!fs.is_open());
+    }
+}

test/std/input.output/file.streams/fstreams/ifstream.members/open_pointer.pass.cpp

@@ -0,0 +1,46 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ifstream
+
+// void open(const char* s, ios_base::openmode mode = ios_base::in);
+
+#include <fstream>
+#include <cassert>
+
+int main()
+{
+    {
+        std::ifstream fs;
+        assert(!fs.is_open());
+        char c = 'a';
+        fs >> c;
+        assert(fs.fail());
+        assert(c == 'a');
+        fs.open("test.dat");
+        assert(fs.is_open());
+        fs >> c;
+        assert(c == 'r');
+    }
+    {
+        std::wifstream fs;
+        assert(!fs.is_open());
+        wchar_t c = L'a';
+        fs >> c;
+        assert(fs.fail());
+        assert(c == L'a');
+        fs.open("test.dat");
+        assert(fs.is_open());
+        fs >> c;
+        assert(c == L'r');
+    }
+}

test/std/input.output/file.streams/fstreams/ifstream.members/open_string.pass.cpp

@@ -0,0 +1,46 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ifstream
+
+// void open(const string& s, ios_base::openmode mode = ios_base::in);
+
+#include <fstream>
+#include <cassert>
+
+int main()
+{
+    {
+        std::ifstream fs;
+        assert(!fs.is_open());
+        char c = 'a';
+        fs >> c;
+        assert(fs.fail());
+        assert(c == 'a');
+        fs.open(std::string("test.dat"));
+        assert(fs.is_open());
+        fs >> c;
+        assert(c == 'r');
+    }
+    {
+        std::wifstream fs;
+        assert(!fs.is_open());
+        wchar_t c = L'a';
+        fs >> c;
+        assert(fs.fail());
+        assert(c == L'a');
+        fs.open(std::string("test.dat"));
+        assert(fs.is_open());
+        fs >> c;
+        assert(c == L'r');
+    }
+}

test/std/input.output/file.streams/fstreams/ifstream.members/rdbuf.pass.cpp

@@ -0,0 +1,32 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ifstream
+
+// basic_filebuf<charT,traits>* rdbuf() const;
+
+#include <fstream>
+#include <cassert>
+
+int main()
+{
+    {
+        std::ifstream fs("test.dat");
+        std::filebuf* fb = fs.rdbuf();
+        assert(fb->sgetc() == 'r');
+    }
+    {
+        std::wifstream fs("test.dat");
+        std::wfilebuf* fb = fs.rdbuf();
+        assert(fb->sgetc() == L'r');
+    }
+}

test/std/input.output/file.streams/fstreams/ifstream.members/test.dat

@@ -0,0 +1 @@
+r

test/std/input.output/file.streams/fstreams/ifstream/types.pass.cpp

@@ -0,0 +1,34 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ifstream
+//     : public basic_istream<charT,traits>
+// {
+// public:
+//     typedef charT                          char_type;
+//     typedef traits                         traits_type;
+//     typedef typename traits_type::int_type int_type;
+//     typedef typename traits_type::pos_type pos_type;
+//     typedef typename traits_type::off_type off_type;
+
+#include <fstream>
+#include <type_traits>
+
+int main()
+{
+    static_assert((std::is_base_of<std::basic_istream<char>, std::basic_ifstream<char> >::value), "");
+    static_assert((std::is_same<std::basic_ifstream<char>::char_type, char>::value), "");
+    static_assert((std::is_same<std::basic_ifstream<char>::traits_type, std::char_traits<char> >::value), "");
+    static_assert((std::is_same<std::basic_ifstream<char>::int_type, std::char_traits<char>::int_type>::value), "");
+    static_assert((std::is_same<std::basic_ifstream<char>::pos_type, std::char_traits<char>::pos_type>::value), "");
+    static_assert((std::is_same<std::basic_ifstream<char>::off_type, std::char_traits<char>::off_type>::value), "");
+}

test/std/input.output/file.streams/fstreams/ofstream.assign/member_swap.pass.cpp

@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ofstream
+
+// void swap(basic_ofstream& rhs);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+    std::string temp1 = get_temp_file_name();
+    std::string temp2 = get_temp_file_name();
+    {
+        std::ofstream fs1(temp1.c_str());
+        std::ofstream fs2(temp2.c_str());
+        fs1 << 3.25;
+        fs2 << 4.5;
+        fs1.swap(fs2);
+        fs1 << ' ' << 3.25;
+        fs2 << ' ' << 4.5;
+    }
+    {
+        std::ifstream fs(temp1.c_str());
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+        fs >> x;
+        assert(x == 4.5);
+    }
+    std::remove(temp1.c_str());
+    {
+        std::ifstream fs(temp2.c_str());
+        double x = 0;
+        fs >> x;
+        assert(x == 4.5);
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp2.c_str());
+    {
+        std::wofstream fs1(temp1.c_str());
+        std::wofstream fs2(temp2.c_str());
+        fs1 << 3.25;
+        fs2 << 4.5;
+        fs1.swap(fs2);
+        fs1 << ' ' << 3.25;
+        fs2 << ' ' << 4.5;
+    }
+    {
+        std::wifstream fs(temp1.c_str());
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+        fs >> x;
+        assert(x == 4.5);
+    }
+    std::remove(temp1.c_str());
+    {
+        std::wifstream fs(temp2.c_str());
+        double x = 0;
+        fs >> x;
+        assert(x == 4.5);
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp2.c_str());
+}

test/std/input.output/file.streams/fstreams/ofstream.assign/move_assign.pass.cpp

@@ -0,0 +1,52 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ofstream
+
+// basic_ofstream& operator=(basic_ofstream&& rhs);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    std::string temp = get_temp_file_name();
+    {
+        std::ofstream fso(temp.c_str());
+        std::ofstream fs;
+        fs = move(fso);
+        fs << 3.25;
+    }
+    {
+        std::ifstream fs(temp.c_str());
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+    {
+        std::wofstream fso(temp.c_str());
+        std::wofstream fs;
+        fs = move(fso);
+        fs << 3.25;
+    }
+    {
+        std::wifstream fs(temp.c_str());
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}

test/std/input.output/file.streams/fstreams/ofstream.assign/nonmember_swap.pass.cpp

@@ -0,0 +1,80 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ofstream
+
+// template <class charT, class traits>
+//   void swap(basic_ofstream<charT, traits>& x, basic_ofstream<charT, traits>& y);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+    std::string temp1 = get_temp_file_name();
+    std::string temp2 = get_temp_file_name();
+    {
+        std::ofstream fs1(temp1.c_str());
+        std::ofstream fs2(temp2.c_str());
+        fs1 << 3.25;
+        fs2 << 4.5;
+        swap(fs1, fs2);
+        fs1 << ' ' << 3.25;
+        fs2 << ' ' << 4.5;
+    }
+    {
+        std::ifstream fs(temp1.c_str());
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+        fs >> x;
+        assert(x == 4.5);
+    }
+    std::remove(temp1.c_str());
+    {
+        std::ifstream fs(temp2.c_str());
+        double x = 0;
+        fs >> x;
+        assert(x == 4.5);
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp2.c_str());
+    {
+        std::wofstream fs1(temp1.c_str());
+        std::wofstream fs2(temp2.c_str());
+        fs1 << 3.25;
+        fs2 << 4.5;
+        swap(fs1, fs2);
+        fs1 << ' ' << 3.25;
+        fs2 << ' ' << 4.5;
+    }
+    {
+        std::wifstream fs(temp1.c_str());
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+        fs >> x;
+        assert(x == 4.5);
+    }
+    std::remove(temp1.c_str());
+    {
+        std::wifstream fs(temp2.c_str());
+        double x = 0;
+        fs >> x;
+        assert(x == 4.5);
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp2.c_str());
+}

test/std/input.output/file.streams/fstreams/ofstream.cons/default.pass.cpp

@@ -0,0 +1,28 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ofstream
+
+// basic_ofstream();
+
+#include <fstream>
+#include <type_traits>
+
+int main()
+{
+    {
+        std::ofstream fs;
+    }
+    {
+        std::wofstream fs;
+    }
+}

test/std/input.output/file.streams/fstreams/ofstream.cons/move.pass.cpp

@@ -0,0 +1,50 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ofstream
+
+// basic_ofstream(basic_ofstream&& rhs);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    std::string temp = get_temp_file_name();
+    {
+        std::ofstream fso(temp.c_str());
+        std::ofstream fs = move(fso);
+        fs << 3.25;
+    }
+    {
+        std::ifstream fs(temp.c_str());
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+    {
+        std::wofstream fso(temp.c_str());
+        std::wofstream fs = move(fso);
+        fs << 3.25;
+    }
+    {
+        std::wifstream fs(temp.c_str());
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}

test/std/input.output/file.streams/fstreams/ofstream.cons/pointer.pass.cpp

@@ -0,0 +1,46 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ofstream
+
+// explicit basic_ofstream(const char* s, ios_base::openmode mode = ios_base::out);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+    std::string temp = get_temp_file_name();
+    {
+        std::ofstream fs(temp.c_str());
+        fs << 3.25;
+    }
+    {
+        std::ifstream fs(temp.c_str());
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+    {
+        std::wofstream fs(temp.c_str());
+        fs << 3.25;
+    }
+    {
+        std::wifstream fs(temp.c_str());
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+}

test/std/input.output/file.streams/fstreams/ofstream.cons/string.pass.cpp

@@ -0,0 +1,46 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ofstream
+
+// explicit basic_ofstream(const string& s, ios_base::openmode mode = ios_base::out);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+    std::string temp = get_temp_file_name();
+    {
+        std::ofstream fs(temp);
+        fs << 3.25;
+    }
+    {
+        std::ifstream fs(temp);
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+    {
+        std::wofstream fs(temp);
+        fs << 3.25;
+    }
+    {
+        std::wifstream fs(temp);
+        double x = 0;
+        fs >> x;
+        assert(x == 3.25);
+    }
+    std::remove(temp.c_str());
+}

test/std/input.output/file.streams/fstreams/ofstream.members/close.pass.cpp

@@ -0,0 +1,42 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ofstream
+
+// void close();
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+    std::string temp = get_temp_file_name();
+    {
+        std::ofstream fs;
+        assert(!fs.is_open());
+        fs.open(temp.c_str());
+        assert(fs.is_open());
+        fs.close();
+        assert(!fs.is_open());
+    }
+    std::remove(temp.c_str());
+    {
+        std::wofstream fs;
+        assert(!fs.is_open());
+        fs.open(temp.c_str());
+        assert(fs.is_open());
+        fs.close();
+        assert(!fs.is_open());
+    }
+    std::remove(temp.c_str());
+}

test/std/input.output/file.streams/fstreams/ofstream.members/open_pointer.pass.cpp

@@ -0,0 +1,58 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ofstream
+
+// void open(const char* s, ios_base::openmode mode = ios_base::out);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+    std::string temp = get_temp_file_name();
+    {
+        std::ofstream fs;
+        assert(!fs.is_open());
+        char c = 'a';
+        fs << c;
+        assert(fs.fail());
+        fs.open(temp.c_str());
+        assert(fs.is_open());
+        fs << c;
+    }
+    {
+        std::ifstream fs(temp.c_str());
+        char c = 0;
+        fs >> c;
+        assert(c == 'a');
+    }
+    std::remove(temp.c_str());
+    {
+        std::wofstream fs;
+        assert(!fs.is_open());
+        wchar_t c = L'a';
+        fs << c;
+        assert(fs.fail());
+        fs.open(temp.c_str());
+        assert(fs.is_open());
+        fs << c;
+    }
+    {
+        std::wifstream fs(temp.c_str());
+        wchar_t c = 0;
+        fs >> c;
+        assert(c == L'a');
+    }
+    std::remove(temp.c_str());
+}

test/std/input.output/file.streams/fstreams/ofstream.members/open_string.pass.cpp

@@ -0,0 +1,58 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ofstream
+
+// void open(const string& s, ios_base::openmode mode = ios_base::out);
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+    std::string temp = get_temp_file_name();
+    {
+        std::ofstream fs;
+        assert(!fs.is_open());
+        char c = 'a';
+        fs << c;
+        assert(fs.fail());
+        fs.open(temp);
+        assert(fs.is_open());
+        fs << c;
+    }
+    {
+        std::ifstream fs(temp.c_str());
+        char c = 0;
+        fs >> c;
+        assert(c == 'a');
+    }
+    std::remove(temp.c_str());
+    {
+        std::wofstream fs;
+        assert(!fs.is_open());
+        wchar_t c = L'a';
+        fs << c;
+        assert(fs.fail());
+        fs.open(temp);
+        assert(fs.is_open());
+        fs << c;
+    }
+    {
+        std::wifstream fs(temp.c_str());
+        wchar_t c = 0;
+        fs >> c;
+        assert(c == L'a');
+    }
+    std::remove(temp.c_str());
+}

test/std/input.output/file.streams/fstreams/ofstream.members/rdbuf.pass.cpp

@@ -0,0 +1,36 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ofstream
+
+// basic_filebuf<charT,traits>* rdbuf() const;
+
+#include <fstream>
+#include <cassert>
+#include "platform_support.h"
+
+int main()
+{
+    std::string temp = get_temp_file_name();
+    {
+        std::ofstream fs(temp.c_str());
+        std::filebuf* fb = fs.rdbuf();
+        assert(fb->sputc('r') == 'r');
+    }
+    std::remove(temp.c_str());
+    {
+        std::wofstream fs(temp.c_str());
+        std::wfilebuf* fb = fs.rdbuf();
+        assert(fb->sputc(L'r') == L'r');
+    }
+    std::remove(temp.c_str());
+}

test/std/input.output/file.streams/fstreams/ofstream/types.pass.cpp

@@ -0,0 +1,34 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ofstream
+//     : public basic_ostream<charT,traits>
+// {
+// public:
+//     typedef charT                          char_type;
+//     typedef traits                         traits_type;
+//     typedef typename traits_type::int_type int_type;
+//     typedef typename traits_type::pos_type pos_type;
+//     typedef typename traits_type::off_type off_type;
+
+#include <fstream>
+#include <type_traits>
+
+int main()
+{
+    static_assert((std::is_base_of<std::basic_ostream<char>, std::basic_ofstream<char> >::value), "");
+    static_assert((std::is_same<std::basic_ofstream<char>::char_type, char>::value), "");
+    static_assert((std::is_same<std::basic_ofstream<char>::traits_type, std::char_traits<char> >::value), "");
+    static_assert((std::is_same<std::basic_ofstream<char>::int_type, std::char_traits<char>::int_type>::value), "");
+    static_assert((std::is_same<std::basic_ofstream<char>::pos_type, std::char_traits<char>::pos_type>::value), "");
+    static_assert((std::is_same<std::basic_ofstream<char>::off_type, std::char_traits<char>::off_type>::value), "");
+}

test/std/input.output/file.streams/fstreams/version.pass.cpp

@@ -0,0 +1,20 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+#include <fstream>
+
+#ifndef _LIBCPP_VERSION
+#error _LIBCPP_VERSION not defined
+#endif
+
+int main()
+{
+}

test/std/input.output/file.streams/nothing_to_do.pass.cpp

@@ -0,0 +1,12 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+int main()
+{
+}

test/std/input.output/input.output.general/nothing_to_do.pass.cpp

@@ -0,0 +1,12 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+int main()
+{
+}

test/std/input.output/iostream.format/ext.manip/get_money.pass.cpp

@@ -0,0 +1,75 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <iomanip>
+
+// template <class moneyT> T7 get_money(moneyT& mon, bool intl = false);
+
+// REQUIRES: locale.en_US.UTF-8
+
+#include <iomanip>
+#include <cassert>
+
+#include "platform_support.h" // locale name macros
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("  -$1,234,567.89");
+        std::istream is(&sb);
+        is.imbue(std::locale(LOCALE_en_US_UTF_8));
+        long double x = 0;
+        is >> std::get_money(x, false);
+        assert(x == -123456789);
+    }
+    {
+        testbuf<char> sb("  -USD 1,234,567.89");
+        std::istream is(&sb);
+        is.imbue(std::locale(LOCALE_en_US_UTF_8));
+        long double x = 0;
+        is >> std::get_money(x, true);
+        assert(x == -123456789);
+    }
+    {
+        testbuf<wchar_t> sb(L"  -$1,234,567.89");
+        std::wistream is(&sb);
+        is.imbue(std::locale(LOCALE_en_US_UTF_8));
+        long double x = 0;
+        is >> std::get_money(x, false);
+        assert(x == -123456789);
+    }
+    {
+        testbuf<wchar_t> sb(L"  -USD 1,234,567.89");
+        std::wistream is(&sb);
+        is.imbue(std::locale(LOCALE_en_US_UTF_8));
+        long double x = 0;
+        is >> std::get_money(x, true);
+        assert(x == -123456789);
+    }
+}

test/std/input.output/iostream.format/ext.manip/get_time.pass.cpp

@@ -0,0 +1,73 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <iomanip>
+
+// template <class charT> T9 get_time(struct tm* tmb, const charT* fmt);
+
+#include <iomanip>
+#include <cassert>
+
+#include "platform_support.h" // locale name macros
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("  Sat Dec 31 23:55:59 2061");
+        std::istream is(&sb);
+        is.imbue(std::locale(LOCALE_en_US_UTF_8));
+        std::tm t = {0};
+        is >> std::get_time(&t, "%a %b %d %H:%M:%S %Y");
+        assert(t.tm_sec == 59);
+        assert(t.tm_min == 55);
+        assert(t.tm_hour == 23);
+        assert(t.tm_mday == 31);
+        assert(t.tm_mon == 11);
+        assert(t.tm_year == 161);
+        assert(t.tm_wday == 6);
+        assert(is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L"  Sat Dec 31 23:55:59 2061");
+        std::wistream is(&sb);
+        is.imbue(std::locale(LOCALE_en_US_UTF_8));
+        std::tm t = {0};
+        is >> std::get_time(&t, L"%a %b %d %H:%M:%S %Y");
+        assert(t.tm_sec == 59);
+        assert(t.tm_min == 55);
+        assert(t.tm_hour == 23);
+        assert(t.tm_mday == 31);
+        assert(t.tm_mon == 11);
+        assert(t.tm_year == 161);
+        assert(t.tm_wday == 6);
+        assert(is.eof());
+        assert(!is.fail());
+    }
+}

test/std/input.output/iostream.format/ext.manip/put_money.pass.cpp

@@ -0,0 +1,91 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <iomanip>
+
+// template <class charT, class moneyT> T8 put_money(const moneyT& mon, bool intl = false);
+
+// REQUIRES: locale.en_US.UTF-8
+
+#include <iomanip>
+#include <cassert>
+
+#include "platform_support.h" // locale name macros
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.imbue(std::locale(LOCALE_en_US_UTF_8));
+        showbase(os);
+        long double x = -123456789;
+        os << std::put_money(x, false);
+        assert(sb.str() == "-$1,234,567.89");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.imbue(std::locale(LOCALE_en_US_UTF_8));
+        showbase(os);
+        long double x = -123456789;
+        os << std::put_money(x, true);
+        assert(sb.str() == "-USD 1,234,567.89");
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        os.imbue(std::locale(LOCALE_en_US_UTF_8));
+        showbase(os);
+        long double x = -123456789;
+        os << std::put_money(x, false);
+        assert(sb.str() == L"-$1,234,567.89");
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        os.imbue(std::locale(LOCALE_en_US_UTF_8));
+        showbase(os);
+        long double x = -123456789;
+        os << std::put_money(x, true);
+        assert(sb.str() == L"-USD 1,234,567.89");
+    }
+}

test/std/input.output/iostream.format/ext.manip/put_time.pass.cpp

@@ -0,0 +1,84 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <iomanip>
+
+// template <class charT> T10 put_time(const struct tm* tmb, const charT* fmt);
+
+#include <iomanip>
+#include <cassert>
+
+#include "platform_support.h" // locale name macros
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.imbue(std::locale(LOCALE_en_US_UTF_8));
+        std::tm t = {0};
+        t.tm_sec = 59;
+        t.tm_min = 55;
+        t.tm_hour = 23;
+        t.tm_mday = 31;
+        t.tm_mon = 11;
+        t.tm_year = 161;
+        t.tm_wday = 6;
+        t.tm_isdst = 0;
+        os << std::put_time(&t, "%a %b %d %H:%M:%S %Y");
+        assert(sb.str() == "Sat Dec 31 23:55:59 2061");
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        os.imbue(std::locale(LOCALE_en_US_UTF_8));
+        std::tm t = {0};
+        t.tm_sec = 59;
+        t.tm_min = 55;
+        t.tm_hour = 23;
+        t.tm_mday = 31;
+        t.tm_mon = 11;
+        t.tm_year = 161;
+        t.tm_wday = 6;
+        os << std::put_time(&t, L"%a %b %d %H:%M:%S %Y");
+        assert(sb.str() == L"Sat Dec 31 23:55:59 2061");
+    }
+}

test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.assign/member_swap.pass.cpp

@@ -0,0 +1,85 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_iostream;
+
+// void swap(basic_iostream& rhs);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+template <class CharT>
+struct test_iostream
+    : public std::basic_iostream<CharT>
+{
+    typedef std::basic_iostream<CharT> base;
+    test_iostream(testbuf<CharT>* sb) : base(sb) {}
+
+    void swap(test_iostream& s) {base::swap(s);}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb1;
+        testbuf<char> sb2;
+        test_iostream<char> is1(&sb1);
+        test_iostream<char> is2(&sb2);
+        is1.swap(is2);
+        assert(is1.rdbuf() == &sb1);
+        assert(is1.tie() == 0);
+        assert(is1.fill() == ' ');
+        assert(is1.rdstate() == is1.goodbit);
+        assert(is1.exceptions() == is1.goodbit);
+        assert(is1.flags() == (is1.skipws | is1.dec));
+        assert(is1.precision() == 6);
+        assert(is1.getloc().name() == "C");
+        assert(is2.rdbuf() == &sb2);
+        assert(is2.tie() == 0);
+        assert(is2.fill() == ' ');
+        assert(is2.rdstate() == is2.goodbit);
+        assert(is2.exceptions() == is2.goodbit);
+        assert(is2.flags() == (is2.skipws | is2.dec));
+        assert(is2.precision() == 6);
+        assert(is2.getloc().name() == "C");
+    }
+    {
+        testbuf<wchar_t> sb1;
+        testbuf<wchar_t> sb2;
+        test_iostream<wchar_t> is1(&sb1);
+        test_iostream<wchar_t> is2(&sb2);
+        is1.swap(is2);
+        assert(is1.rdbuf() == &sb1);
+        assert(is1.tie() == 0);
+        assert(is1.fill() == ' ');
+        assert(is1.rdstate() == is1.goodbit);
+        assert(is1.exceptions() == is1.goodbit);
+        assert(is1.flags() == (is1.skipws | is1.dec));
+        assert(is1.precision() == 6);
+        assert(is1.getloc().name() == "C");
+        assert(is2.rdbuf() == &sb2);
+        assert(is2.tie() == 0);
+        assert(is2.fill() == ' ');
+        assert(is2.rdstate() == is2.goodbit);
+        assert(is2.exceptions() == is2.goodbit);
+        assert(is2.flags() == (is2.skipws | is2.dec));
+        assert(is2.precision() == 6);
+        assert(is2.getloc().name() == "C");
+    }
+}

test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.assign/move_assign.pass.cpp

@@ -0,0 +1,92 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_iostream;
+
+// basic_iostream& operator=(basic_iostream&& rhs);
+
+#include <istream>
+#include <cassert>
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+template <class CharT>
+struct test_iostream
+    : public std::basic_iostream<CharT>
+{
+    typedef std::basic_iostream<CharT> base;
+    test_iostream(testbuf<CharT>* sb) : base(sb) {}
+
+    test_iostream& operator=(test_iostream&& s)
+        {base::operator=(std::move(s)); return *this;}
+};
+
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        testbuf<char> sb1;
+        testbuf<char> sb2;
+        test_iostream<char> is1(&sb1);
+        test_iostream<char> is2(&sb2);
+        is2 = (std::move(is1));
+        assert(is1.rdbuf() == &sb1);
+        assert(is1.tie() == 0);
+        assert(is1.fill() == ' ');
+        assert(is1.rdstate() == is1.goodbit);
+        assert(is1.exceptions() == is1.goodbit);
+        assert(is1.flags() == (is1.skipws | is1.dec));
+        assert(is1.precision() == 6);
+        assert(is1.getloc().name() == "C");
+        assert(is2.rdbuf() == &sb2);
+        assert(is2.tie() == 0);
+        assert(is2.fill() == ' ');
+        assert(is2.rdstate() == is2.goodbit);
+        assert(is2.exceptions() == is2.goodbit);
+        assert(is2.flags() == (is2.skipws | is2.dec));
+        assert(is2.precision() == 6);
+        assert(is2.getloc().name() == "C");
+    }
+    {
+        testbuf<wchar_t> sb1;
+        testbuf<wchar_t> sb2;
+        test_iostream<wchar_t> is1(&sb1);
+        test_iostream<wchar_t> is2(&sb2);
+        is2 = (std::move(is1));
+        assert(is1.rdbuf() == &sb1);
+        assert(is1.tie() == 0);
+        assert(is1.fill() == ' ');
+        assert(is1.rdstate() == is1.goodbit);
+        assert(is1.exceptions() == is1.goodbit);
+        assert(is1.flags() == (is1.skipws | is1.dec));
+        assert(is1.precision() == 6);
+        assert(is1.getloc().name() == "C");
+        assert(is2.rdbuf() == &sb2);
+        assert(is2.tie() == 0);
+        assert(is2.fill() == ' ');
+        assert(is2.rdstate() == is2.goodbit);
+        assert(is2.exceptions() == is2.goodbit);
+        assert(is2.flags() == (is2.skipws | is2.dec));
+        assert(is2.precision() == 6);
+        assert(is2.getloc().name() == "C");
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}

test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.cons/move.pass.cpp

@@ -0,0 +1,78 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_iostream;
+
+// basic_iostream(basic_iostream&& rhs);
+
+#include <istream>
+#include <cassert>
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+template <class CharT>
+struct test_iostream
+    : public std::basic_iostream<CharT>
+{
+    typedef std::basic_iostream<CharT> base;
+    test_iostream(testbuf<CharT>* sb) : base(sb) {}
+
+    test_iostream(test_iostream&& s)
+        : base(std::move(s)) {}
+};
+
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        testbuf<char> sb;
+        test_iostream<char> is1(&sb);
+        test_iostream<char> is(std::move(is1));
+        assert(is1.rdbuf() == &sb);
+        assert(is1.gcount() == 0);
+        assert(is.gcount() == 0);
+        assert(is.rdbuf() == 0);
+        assert(is.tie() == 0);
+        assert(is.fill() == ' ');
+        assert(is.rdstate() == is.goodbit);
+        assert(is.exceptions() == is.goodbit);
+        assert(is.flags() == (is.skipws | is.dec));
+        assert(is.precision() == 6);
+        assert(is.getloc().name() == "C");
+    }
+    {
+        testbuf<wchar_t> sb;
+        test_iostream<wchar_t> is1(&sb);
+        test_iostream<wchar_t> is(std::move(is1));
+        assert(is1.gcount() == 0);
+        assert(is.gcount() == 0);
+        assert(is1.rdbuf() == &sb);
+        assert(is.rdbuf() == 0);
+        assert(is.tie() == 0);
+        assert(is.fill() == L' ');
+        assert(is.rdstate() == is.goodbit);
+        assert(is.exceptions() == is.goodbit);
+        assert(is.flags() == (is.skipws | is.dec));
+        assert(is.precision() == 6);
+        assert(is.getloc().name() == "C");
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}

test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.cons/streambuf.pass.cpp

@@ -0,0 +1,55 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_iostream;
+
+// explicit basic_iostream(basic_streambuf<charT,traits>* sb);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::basic_iostream<char> is(&sb);
+        assert(is.rdbuf() == &sb);
+        assert(is.tie() == 0);
+        assert(is.fill() == ' ');
+        assert(is.rdstate() == is.goodbit);
+        assert(is.exceptions() == is.goodbit);
+        assert(is.flags() == (is.skipws | is.dec));
+        assert(is.precision() == 6);
+        assert(is.getloc().name() == "C");
+        assert(is.gcount() == 0);
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::basic_iostream<wchar_t> is(&sb);
+        assert(is.rdbuf() == &sb);
+        assert(is.tie() == 0);
+        assert(is.fill() == L' ');
+        assert(is.rdstate() == is.goodbit);
+        assert(is.exceptions() == is.goodbit);
+        assert(is.flags() == (is.skipws | is.dec));
+        assert(is.precision() == 6);
+        assert(is.getloc().name() == "C");
+        assert(is.gcount() == 0);
+    }
+}

test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.dest/nothing_to_do.pass.cpp

@@ -0,0 +1,12 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+int main()
+{
+}

test/std/input.output/iostream.format/input.streams/iostreamclass/types.pass.cpp

@@ -0,0 +1,37 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_iostream :
+//     public basic_istream<charT,traits>,
+//     public basic_ostream<charT,traits>
+// {
+// public:
+//     // types:
+//     typedef charT                          char_type;
+//     typedef traits                         traits_type;
+//     typedef typename traits_type::int_type int_type;
+//     typedef typename traits_type::pos_type pos_type;
+//     typedef typename traits_type::off_type off_type;
+
+#include <istream>
+#include <type_traits>
+
+int main()
+{
+    static_assert((std::is_base_of<std::basic_istream<char>, std::basic_iostream<char> >::value), "");
+    static_assert((std::is_base_of<std::basic_ostream<char>, std::basic_iostream<char> >::value), "");
+    static_assert((std::is_same<std::basic_iostream<char>::char_type, char>::value), "");
+    static_assert((std::is_same<std::basic_iostream<char>::traits_type, std::char_traits<char> >::value), "");
+    static_assert((std::is_same<std::basic_iostream<char>::int_type, std::char_traits<char>::int_type>::value), "");
+    static_assert((std::is_same<std::basic_iostream<char>::pos_type, std::char_traits<char>::pos_type>::value), "");
+    static_assert((std::is_same<std::basic_iostream<char>::off_type, std::char_traits<char>::off_type>::value), "");
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/bool.pass.cpp

@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(bool& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        bool n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        bool n = true;
+        is >> n;
+        assert(n == false);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 1 ");
+        std::istream is(&sb);
+        bool n = 0;
+        is >> n;
+        assert(n == true);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" 1 ");
+        std::wistream is(&sb);
+        bool n = 0;
+        is >> n;
+        assert(n == true);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/double.pass.cpp

@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(double& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        double n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        double n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        double n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" -123.5 ");
+        std::wistream is(&sb);
+        double n = 10;
+        is >> n;
+        assert(n == -123.5);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/float.pass.cpp

@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(float& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        float n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        float n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        float n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" -123.5 ");
+        std::wistream is(&sb);
+        float n = 10;
+        is >> n;
+        assert(n == -123.5);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/int.pass.cpp

@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(int& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        int n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        int n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        int n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" -1234567890123456 ");
+        std::wistream is(&sb);
+        int n = 10;
+        is >> n;
+        assert(n == std::numeric_limits<int>::min());
+        assert(!is.eof());
+        assert( is.fail());
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/long.pass.cpp

@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(long& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        long n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        long n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        long n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" -123 ");
+        std::wistream is(&sb);
+        long n = 10;
+        is >> n;
+        assert(n == -123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/long_double.pass.cpp

@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(long double& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        long double n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        long double n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        long double n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" -123.5 ");
+        std::wistream is(&sb);
+        long double n = 10;
+        is >> n;
+        assert(n == -123.5);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/long_long.pass.cpp

@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(long long& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        long long n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        long long n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        long long n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" -123 ");
+        std::wistream is(&sb);
+        long long n = 10;
+        is >> n;
+        assert(n == -123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/pointer.pass.cpp

@@ -0,0 +1,97 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(void*& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        void* n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        void* n = (void*)1;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 1 ");
+        std::istream is(&sb);
+        void* n = 0;
+        is >> n;
+        assert(n == (void*)1);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" 1 ");
+        std::wistream is(&sb);
+        void* n = 0;
+        is >> n;
+        assert(n == (void*)1);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb("12345678");
+        std::istream is(&sb);
+        void* n = 0;
+        is >> n;
+        assert(n == (void*)0x12345678);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L"12345678");
+        std::wistream is(&sb);
+        void* n = 0;
+        is >> n;
+        assert(n == (void*)0x12345678);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/short.pass.cpp

@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(short& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        short n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        short n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        short n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" -1234567890 ");
+        std::wistream is(&sb);
+        short n = 10;
+        is >> n;
+        assert(n == std::numeric_limits<short>::min());
+        assert(!is.eof());
+        assert( is.fail());
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/unsigned_int.pass.cpp

@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(unsigned int& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        unsigned int n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        unsigned int n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        unsigned int n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" 123 ");
+        std::wistream is(&sb);
+        unsigned int n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/unsigned_long.pass.cpp

@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(unsigned long& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        unsigned long n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        unsigned long n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        unsigned long n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" 123 ");
+        std::wistream is(&sb);
+        unsigned long n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/unsigned_long_long.pass.cpp

@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(unsigned long long& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        unsigned long long n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        unsigned long long n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        unsigned long long n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" 123 ");
+        std::wistream is(&sb);
+        unsigned long long n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/unsigned_short.pass.cpp

@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(unsigned short& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        unsigned short n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        unsigned short n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        unsigned short n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" 123 ");
+        std::wistream is(&sb);
+        unsigned short n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.reqmts/tested_elsewhere.pass.cpp

@@ -0,0 +1,12 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+int main()
+{
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/basic_ios.pass.cpp

@@ -0,0 +1,38 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// basic_istream<charT,traits>& operator>>(basic_ios<charT,traits>&
+//                                         (*pf)(basic_ios<charT,traits>&));
+
+#include <istream>
+#include <cassert>
+
+int f_called = 0;
+
+template <class CharT>
+std::basic_ios<CharT>&
+f(std::basic_ios<CharT>& is)
+{
+    ++f_called;
+    return is;
+}
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        is >> f;
+        assert(f_called == 1);
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/chart.pass.cpp

@@ -0,0 +1,87 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template<class charT, class traits>
+//   basic_istream<charT,traits>& operator>>(basic_istream<charT,traits>&& in, charT& c);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("          ");
+        std::istream is(&sb);
+        char c = 'z';
+        is >> c;
+        assert( is.eof());
+        assert( is.fail());
+        assert(c == 'z');
+    }
+    {
+        testbuf<char> sb("   abcdefghijk    ");
+        std::istream is(&sb);
+        char c;
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'a');
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'b');
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'c');
+    }
+    {
+        testbuf<wchar_t> sb(L"   abc");
+        std::wistream is(&sb);
+        wchar_t c;
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L'a');
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L'b');
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L'c');
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/ios_base.pass.cpp

@@ -0,0 +1,36 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// basic_istream<charT,traits>& operator>>(ios_base& (*pf)(ios_base&));
+
+#include <istream>
+#include <cassert>
+
+int f_called = 0;
+
+std::ios_base&
+f(std::ios_base& is)
+{
+    ++f_called;
+    return is;
+}
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        is >> f;
+        assert(f_called == 1);
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/istream.pass.cpp

@@ -0,0 +1,38 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// basic_istream<charT,traits>& operator>>(basic_istream<charT,traits>&
+//                                         (*pf)(basic_istream<charT,traits>&));
+
+#include <istream>
+#include <cassert>
+
+int f_called = 0;
+
+template <class CharT>
+std::basic_istream<CharT>&
+f(std::basic_istream<CharT>& is)
+{
+    ++f_called;
+    return is;
+}
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        is >> f;
+        assert(f_called == 1);
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/signed_char.pass.cpp

@@ -0,0 +1,70 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template<class traits>
+//   basic_istream<char,traits>& operator>>(basic_istream<char,traits>&& in, signed char& c);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("          ");
+        std::istream is(&sb);
+        signed char c = 'z';
+        is >> c;
+        assert( is.eof());
+        assert( is.fail());
+        assert(c == 'z');
+    }
+    {
+        testbuf<char> sb("   abcdefghijk    ");
+        std::istream is(&sb);
+        signed char c;
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'a');
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'b');
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'c');
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/signed_char_pointer.pass.cpp

@@ -0,0 +1,85 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template<class traits>
+//   basic_istream<char,traits>& operator>>(basic_istream<char,traits>&& in, signed char* s);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("   abcdefghijk    ");
+        std::istream is(&sb);
+        signed char s[20];
+        is >> s;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string((char*)s) == "abcdefghijk");
+    }
+    {
+        testbuf<char> sb("   abcdefghijk    ");
+        std::istream is(&sb);
+        is.width(4);
+        signed char s[20];
+        is >> s;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string((char*)s) == "abc");
+        assert(is.width() == 0);
+    }
+    {
+        testbuf<char> sb("   abcdefghijk");
+        std::istream is(&sb);
+        signed char s[20];
+        is >> s;
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::string((char*)s) == "abcdefghijk");
+        assert(is.width() == 0);
+    }
+    {
+        testbuf<char> sb("   abcdefghijk");
+        std::istream is(&sb);
+        signed char s[20];
+        is.width(1);
+        is >> s;
+        assert(!is.eof());
+        assert( is.fail());
+        assert(std::string((char*)s) == "");
+        assert(is.width() == 0);
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/streambuf.pass.cpp

@@ -0,0 +1,69 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// basic_istream<charT,traits>& operator<<(basic_streambuf<charT,traits>* sb);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+    testbuf(const std::basic_string<CharT>& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data() + str_.size()));
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("testing...");
+        std::istream is(&sb);
+        testbuf<char> sb2;
+        is >> &sb2;
+        assert(sb2.str() == "testing...");
+        assert(is.gcount() == 10);
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/unsigned_char.pass.cpp

@@ -0,0 +1,70 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template<class traits>
+//   basic_istream<char,traits>& operator>>(basic_istream<char,traits>&& in, unsigned char& c);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("          ");
+        std::istream is(&sb);
+        unsigned char c = 'z';
+        is >> c;
+        assert( is.eof());
+        assert( is.fail());
+        assert(c == 'z');
+    }
+    {
+        testbuf<char> sb("   abcdefghijk    ");
+        std::istream is(&sb);
+        unsigned char c;
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'a');
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'b');
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'c');
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/unsigned_char_pointer.pass.cpp

@@ -0,0 +1,85 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template<class traits>
+//   basic_istream<char,traits>& operator>>(basic_istream<char,traits>&& in, unsigned char* s);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("   abcdefghijk    ");
+        std::istream is(&sb);
+        unsigned char s[20];
+        is >> s;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string((char*)s) == "abcdefghijk");
+    }
+    {
+        testbuf<char> sb("   abcdefghijk    ");
+        std::istream is(&sb);
+        is.width(4);
+        unsigned char s[20];
+        is >> s;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string((char*)s) == "abc");
+        assert(is.width() == 0);
+    }
+    {
+        testbuf<char> sb("   abcdefghijk");
+        std::istream is(&sb);
+        unsigned char s[20];
+        is >> s;
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::string((char*)s) == "abcdefghijk");
+        assert(is.width() == 0);
+    }
+    {
+        testbuf<char> sb("   abcdefghijk");
+        std::istream is(&sb);
+        unsigned char s[20];
+        is.width(1);
+        is >> s;
+        assert(!is.eof());
+        assert( is.fail());
+        assert(std::string((char*)s) == "");
+        assert(is.width() == 0);
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/wchar_t_pointer.pass.cpp

@@ -0,0 +1,85 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template<class charT, class traits>
+//   basic_istream<charT,traits>& operator>>(basic_istream<charT,traits>&& in, charT* s);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("   abcdefghijk    ");
+        std::istream is(&sb);
+        char s[20];
+        is >> s;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == "abcdefghijk");
+    }
+    {
+        testbuf<wchar_t> sb(L"   abcdefghijk    ");
+        std::wistream is(&sb);
+        is.width(4);
+        wchar_t s[20];
+        is >> s;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"abc");
+        assert(is.width() == 0);
+    }
+    {
+        testbuf<wchar_t> sb(L"   abcdefghijk");
+        std::wistream is(&sb);
+        wchar_t s[20];
+        is >> s;
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"abcdefghijk");
+        assert(is.width() == 0);
+    }
+    {
+        testbuf<char> sb("   abcdefghijk");
+        std::istream is(&sb);
+        char s[20];
+        is.width(1);
+        is >> s;
+        assert(!is.eof());
+        assert( is.fail());
+        assert(std::string(s) == "");
+        assert(is.width() == 0);
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.formatted/nothing_to_do.pass.cpp

@@ -0,0 +1,12 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+int main()
+{
+}

test/std/input.output/iostream.format/input.streams/istream.manip/ws.pass.cpp

@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits>
+//   basic_istream<charT,traits>&
+//   ws(basic_istream<charT,traits>& is);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("   123");
+        std::istream is(&sb);
+        ws(is);
+        assert(is.good());
+        assert(is.peek() == '1');
+    }
+    {
+        testbuf<wchar_t> sb(L"   123");
+        std::wistream is(&sb);
+        ws(is);
+        assert(is.good());
+        assert(is.peek() == L'1');
+    }
+    {
+        testbuf<char> sb("  ");
+        std::istream is(&sb);
+        ws(is);
+        assert(!is.fail());
+        assert(is.eof());
+        ws(is);
+        assert(is.eof());
+        assert(is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L"  ");
+        std::wistream is(&sb);
+        ws(is);
+        assert(!is.fail());
+        assert(is.eof());
+        ws(is);
+        assert(is.eof());
+        assert(is.fail());
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.rvalue/rvalue.pass.cpp

@@ -0,0 +1,63 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits, class T>
+//   basic_istream<charT, traits>&
+//   operator>>(basic_istream<charT, traits>&& is, T& x);
+
+#include <istream>
+#include <cassert>
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        testbuf<char> sb("   123");
+        int i = 0;
+        std::istream(&sb) >> i;
+        assert(i == 123);
+    }
+    {
+        testbuf<wchar_t> sb(L"   123");
+        int i = 0;
+        std::wistream(&sb) >> i;
+        assert(i == 123);
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}

test/std/input.output/iostream.format/input.streams/istream.unformatted/get.pass.cpp

@@ -0,0 +1,100 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// int_type get();
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("          ");
+        std::istream is(&sb);
+        char c = is.get();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == ' ');
+        assert(is.gcount() == 1);
+    }
+    {
+        testbuf<char> sb(" abc");
+        std::istream is(&sb);
+        char c = is.get();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == ' ');
+        assert(is.gcount() == 1);
+        c = is.get();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'a');
+        assert(is.gcount() == 1);
+        c = is.get();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'b');
+        assert(is.gcount() == 1);
+        c = is.get();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'c');
+        assert(is.gcount() == 1);
+    }
+    {
+        testbuf<wchar_t> sb(L" abc");
+        std::wistream is(&sb);
+        wchar_t c = is.get();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L' ');
+        assert(is.gcount() == 1);
+        c = is.get();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L'a');
+        assert(is.gcount() == 1);
+        c = is.get();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L'b');
+        assert(is.gcount() == 1);
+        c = is.get();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L'c');
+        assert(is.gcount() == 1);
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.unformatted/get_chart.pass.cpp

@@ -0,0 +1,103 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// basic_istream<charT,traits>& get(char_type& c);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("          ");
+        std::istream is(&sb);
+        char c;
+        is.get(c);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == ' ');
+        assert(is.gcount() == 1);
+    }
+    {
+        testbuf<char> sb(" abc");
+        std::istream is(&sb);
+        char c;
+        is.get(c);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == ' ');
+        assert(is.gcount() == 1);
+        is.get(c);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'a');
+        assert(is.gcount() == 1);
+        is.get(c);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'b');
+        assert(is.gcount() == 1);
+        is.get(c);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'c');
+        assert(is.gcount() == 1);
+    }
+    {
+        testbuf<wchar_t> sb(L" abc");
+        std::wistream is(&sb);
+        wchar_t c;
+        is.get(c);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L' ');
+        assert(is.gcount() == 1);
+        is.get(c);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L'a');
+        assert(is.gcount() == 1);
+        is.get(c);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L'b');
+        assert(is.gcount() == 1);
+        is.get(c);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L'c');
+        assert(is.gcount() == 1);
+    }
+}