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/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);
+    }
+}

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

@@ -0,0 +1,99 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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* s, streamsize n);
+
+#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("  \n    \n ");
+        std::istream is(&sb);
+        char s[5];
+        is.get(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == "  ");
+        assert(is.gcount() == 2);
+        is.get(s, 5);
+        assert(!is.eof());
+        assert( is.fail());
+        assert(std::string(s) == "");
+        assert(is.gcount() == 0);
+        is.clear();
+        assert(is.get() == '\n');
+        is.get(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == "    ");
+        assert(is.gcount() == 4);
+        assert(is.get() == '\n');
+        is.get(s, 5);
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == " ");
+        assert(is.gcount() == 1);
+    }
+    {
+        testbuf<wchar_t> sb(L"  \n    \n ");
+        std::wistream is(&sb);
+        wchar_t s[5];
+        is.get(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"  ");
+        assert(is.gcount() == 2);
+        is.get(s, 5);
+        assert(!is.eof());
+        assert( is.fail());
+        assert(std::wstring(s) == L"");
+        assert(is.gcount() == 0);
+        is.clear();
+        assert(is.get() == L'\n');
+        is.get(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"    ");
+        assert(is.gcount() == 4);
+        assert(is.get() == L'\n');
+        is.get(s, 5);
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L" ");
+        assert(is.gcount() == 1);
+    }
+}

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

@@ -0,0 +1,99 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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* s, streamsize n, char_type delim);
+
+#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 s[5];
+        is.get(s, 5, '*');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == "  ");
+        assert(is.gcount() == 2);
+        is.get(s, 5, '*');
+        assert(!is.eof());
+        assert( is.fail());
+        assert(std::string(s) == "");
+        assert(is.gcount() == 0);
+        is.clear();
+        assert(is.get() == '*');
+        is.get(s, 5, '*');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == "    ");
+        assert(is.gcount() == 4);
+        assert(is.get() == '*');
+        is.get(s, 5, '*');
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == " ");
+        assert(is.gcount() == 1);
+    }
+    {
+        testbuf<wchar_t> sb(L"  *    * ");
+        std::wistream is(&sb);
+        wchar_t s[5];
+        is.get(s, 5, L'*');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"  ");
+        assert(is.gcount() == 2);
+        is.get(s, 5, L'*');
+        assert(!is.eof());
+        assert( is.fail());
+        assert(std::wstring(s) == L"");
+        assert(is.gcount() == 0);
+        is.clear();
+        assert(is.get() == L'*');
+        is.get(s, 5, L'*');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"    ");
+        assert(is.gcount() == 4);
+        assert(is.get() == L'*');
+        is.get(s, 5, L'*');
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L" ");
+        assert(is.gcount() == 1);
+    }
+}

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

@@ -0,0 +1,88 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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(basic_streambuf<char_type,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\n...");
+        std::istream is(&sb);
+        testbuf<char> sb2;
+        is.get(sb2);
+        assert(sb2.str() == "testing");
+        assert(is.good());
+        assert(is.gcount() == 7);
+        assert(is.get() == '\n');
+        is.get(sb2);
+        assert(sb2.str() == "testing...");
+        assert(is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 3);
+    }
+    {
+        testbuf<wchar_t> sb(L"testing\n...");
+        std::wistream is(&sb);
+        testbuf<wchar_t> sb2;
+        is.get(sb2);
+        assert(sb2.str() == L"testing");
+        assert(is.good());
+        assert(is.gcount() == 7);
+        assert(is.get() == L'\n');
+        is.get(sb2);
+        assert(sb2.str() == L"testing...");
+        assert(is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 3);
+    }
+}

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

@@ -0,0 +1,89 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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(basic_streambuf<char_type,traits>& sb,
+//                                  char_type delim);
+
+#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.get(sb2, '*');
+        assert(sb2.str() == "testing");
+        assert(is.good());
+        assert(is.gcount() == 7);
+        assert(is.get() == '*');
+        is.get(sb2, '*');
+        assert(sb2.str() == "testing...");
+        assert(is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 3);
+    }
+    {
+        testbuf<wchar_t> sb(L"testing*...");
+        std::wistream is(&sb);
+        testbuf<wchar_t> sb2;
+        is.get(sb2, L'*');
+        assert(sb2.str() == L"testing");
+        assert(is.good());
+        assert(is.gcount() == 7);
+        assert(is.get() == L'*');
+        is.get(sb2, L'*');
+        assert(sb2.str() == L"testing...");
+        assert(is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 3);
+    }
+}

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

@@ -0,0 +1,83 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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>& getline(char_type* s, streamsize n);
+
+#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("  \n    \n ");
+        std::istream is(&sb);
+        char s[5];
+        is.getline(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == "  ");
+        assert(is.gcount() == 3);
+        is.getline(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == "    ");
+        assert(is.gcount() == 5);
+        is.getline(s, 5);
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == " ");
+        assert(is.gcount() == 1);
+    }
+    {
+        testbuf<wchar_t> sb(L"  \n    \n ");
+        std::wistream is(&sb);
+        wchar_t s[5];
+        is.getline(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"  ");
+        assert(is.gcount() == 3);
+        is.getline(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"    ");
+        assert(is.gcount() == 5);
+        is.getline(s, 5);
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L" ");
+        assert(is.gcount() == 1);
+    }
+}

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

@@ -0,0 +1,83 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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>& getline(char_type* s, streamsize n, char_type delim);
+
+#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 s[5];
+        is.getline(s, 5, '*');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == "  ");
+        assert(is.gcount() == 3);
+        is.getline(s, 5, '*');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == "    ");
+        assert(is.gcount() == 5);
+        is.getline(s, 5, '*');
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == " ");
+        assert(is.gcount() == 1);
+    }
+    {
+        testbuf<wchar_t> sb(L"  *    * ");
+        std::wistream is(&sb);
+        wchar_t s[5];
+        is.getline(s, 5, L'*');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"  ");
+        assert(is.gcount() == 3);
+        is.getline(s, 5, L'*');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"    ");
+        assert(is.gcount() == 5);
+        is.getline(s, 5, L'*');
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L" ");
+        assert(is.gcount() == 1);
+    }
+}

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

@@ -0,0 +1,76 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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>&
+//    ignore(streamsize n = 1, int_type delim = traits::eof());
+
+#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(" 1\n2345\n6");
+        std::istream is(&sb);
+        is.ignore();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 1);
+        is.ignore(5, '\n');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 2);
+        is.ignore(15);
+        assert( is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 6);
+    }
+    {
+        testbuf<wchar_t> sb(L" 1\n2345\n6");
+        std::wistream is(&sb);
+        is.ignore();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 1);
+        is.ignore(5, '\n');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 2);
+        is.ignore(15);
+        assert( is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 6);
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.unformatted/ignore_0xff.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.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// basic_istream<charT,traits>&
+//    ignore(streamsize n = 1, int_type delim = traits::eof());
+
+// http://llvm.org/bugs/show_bug.cgi?id=16427
+
+#include <sstream>
+#include <cassert>
+
+int main()
+{
+    int bad=-1;
+    std::ostringstream os;
+    os << "aaaabbbb" << static_cast<char>(bad) 
+       << "ccccdddd" << std::endl;
+    std::string s=os.str();
+    
+    std::istringstream is(s);
+    const unsigned int ignoreLen=10;
+    size_t a=is.tellg();
+    is.ignore(ignoreLen);
+    size_t b=is.tellg();
+    assert((b-a)==ignoreLen);
+}

test/std/input.output/iostream.format/input.streams/istream.unformatted/peek.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>
+
+// int_type peek();
+
+#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(" 1\n2345\n6");
+        std::istream is(&sb);
+        assert(is.peek() == ' ');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 0);
+        is.get();
+        assert(is.peek() == '1');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 0);
+    }
+    {
+        testbuf<wchar_t> sb(L" 1\n2345\n6");
+        std::wistream is(&sb);
+        assert(is.peek() == L' ');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 0);
+        is.get();
+        assert(is.peek() == L'1');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 0);
+    }
+}

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

@@ -0,0 +1,89 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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>& putback(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(" 123456789");
+        std::istream is(&sb);
+        is.get();
+        is.get();
+        is.get();
+        is.putback('a');
+        assert(is.bad());
+        assert(is.gcount() == 0);
+        is.clear();
+        is.putback('2');
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.putback('1');
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.putback(' ');
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.putback(' ');
+        assert(is.bad());
+        assert(is.gcount() == 0);
+    }
+    {
+        testbuf<wchar_t> sb(L" 123456789");
+        std::wistream is(&sb);
+        is.get();
+        is.get();
+        is.get();
+        is.putback(L'a');
+        assert(is.bad());
+        assert(is.gcount() == 0);
+        is.clear();
+        is.putback(L'2');
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.putback(L'1');
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.putback(L' ');
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.putback(L' ');
+        assert(is.bad());
+        assert(is.gcount() == 0);
+    }
+}

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

@@ -0,0 +1,81 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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>& read(char_type* s, streamsize n);
+
+#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(" 123456789");
+        std::istream is(&sb);
+        char s[5];
+        is.read(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s, 5) == " 1234");
+        assert(is.gcount() == 5);
+        is.read(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s, 5) == "56789");
+        assert(is.gcount() == 5);
+        is.read(s, 5);
+        assert( is.eof());
+        assert( is.fail());
+        assert(is.gcount() == 0);
+    }
+    {
+        testbuf<wchar_t> sb(L" 123456789");
+        std::wistream is(&sb);
+        wchar_t s[5];
+        is.read(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s, 5) == L" 1234");
+        assert(is.gcount() == 5);
+        is.read(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s, 5) == L"56789");
+        assert(is.gcount() == 5);
+        is.read(s, 5);
+        assert( is.eof());
+        assert( is.fail());
+        assert(is.gcount() == 0);
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.unformatted/readsome.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>
+
+// streamsize readsome(char_type* s, streamsize n);
+
+#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(" 1234567890");
+        std::istream is(&sb);
+        char s[5];
+        assert(is.readsome(s, 5) == 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s, 5) == " 1234");
+        assert(is.gcount() == 5);
+        is.readsome(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s, 5) == "56789");
+        assert(is.gcount() == 5);
+        is.readsome(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 1);
+        assert(std::string(s, 1) == "0");
+        assert(is.readsome(s, 5) == 0);
+    }
+    {
+        testbuf<wchar_t> sb(L" 1234567890");
+        std::wistream is(&sb);
+        wchar_t s[5];
+        assert(is.readsome(s, 5) == 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s, 5) == L" 1234");
+        assert(is.gcount() == 5);
+        is.readsome(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s, 5) == L"56789");
+        assert(is.gcount() == 5);
+        is.readsome(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 1);
+        assert(std::wstring(s, 1) == L"0");
+        assert(is.readsome(s, 5) == 0);
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.unformatted/seekg.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.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// basic_istream<charT,traits>& seekg(pos_type pos);
+
+#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();}
+protected:
+    typename base::pos_type seekpos(typename base::pos_type sp,
+                                    std::ios_base::openmode which)
+    {
+        assert(which == std::ios_base::in);
+        return sp;
+    }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb(" 123456789");
+        std::istream is(&sb);
+        is.seekg(5);
+        assert(is.good());
+        is.seekg(-1);
+        assert(is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" 123456789");
+        std::wistream is(&sb);
+        is.seekg(5);
+        assert(is.good());
+        is.seekg(-1);
+        assert(is.fail());
+    }
+}

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

@@ -0,0 +1,74 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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>& seekg(off_type off, ios_base::seekdir dir);
+
+#include <istream>
+#include <cassert>
+
+int seekoff_called = 0;
+
+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();}
+protected:
+    typename base::pos_type seekoff(typename base::off_type off,
+                                    std::ios_base::seekdir way,
+                                    std::ios_base::openmode which)
+    {
+        assert(which == std::ios_base::in);
+        ++seekoff_called;
+        return off;
+    }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb(" 123456789");
+        std::istream is(&sb);
+        is.seekg(5, std::ios_base::cur);
+        assert(is.good());
+        assert(seekoff_called == 1);
+        is.seekg(-1, std::ios_base::beg);
+        assert(is.fail());
+        assert(seekoff_called == 2);
+    }
+    {
+        testbuf<wchar_t> sb(L" 123456789");
+        std::wistream is(&sb);
+        is.seekg(5, std::ios_base::cur);
+        assert(is.good());
+        assert(seekoff_called == 3);
+        is.seekg(-1, std::ios_base::beg);
+        assert(is.fail());
+        assert(seekoff_called == 4);
+    }
+}

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

@@ -0,0 +1,64 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 sync();
+
+#include <istream>
+#include <cassert>
+
+int sync_called = 0;
+
+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();}
+
+protected:
+    int sync()
+    {
+        ++sync_called;
+        return 5;
+    }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb(" 123456789");
+        std::istream is(&sb);
+        assert(is.sync() == 0);
+        assert(sync_called == 1);
+    }
+    {
+        testbuf<wchar_t> sb(L" 123456789");
+        std::wistream is(&sb);
+        assert(is.sync() == 0);
+        assert(sync_called == 2);
+    }
+}

test/std/input.output/iostream.format/input.streams/istream.unformatted/tellg.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>
+
+// pos_type tellg();
+
+#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();}
+protected:
+    typename base::pos_type seekoff(typename base::off_type off,
+                                    std::ios_base::seekdir way,
+                                    std::ios_base::openmode which)
+    {
+        assert(off == 0);
+        assert(way == std::ios_base::cur);
+        assert(which == std::ios_base::in);
+        return 5;
+    }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb(" 123456789");
+        std::istream is(&sb);
+        assert(is.tellg() == 5);
+    }
+    {
+        testbuf<wchar_t> sb(L" 123456789");
+        std::wistream is(&sb);
+        assert(is.tellg() == 5);
+    }
+}

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

@@ -0,0 +1,81 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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>& unget();
+
+#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(" 123456789");
+        std::istream is(&sb);
+        is.get();
+        is.get();
+        is.get();
+        is.unget();
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.unget();
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.unget();
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.unget();
+        assert(is.bad());
+        assert(is.gcount() == 0);
+    }
+    {
+        testbuf<wchar_t> sb(L" 123456789");
+        std::wistream is(&sb);
+        is.get();
+        is.get();
+        is.get();
+        is.unget();
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.unget();
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.unget();
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.unget();
+        assert(is.bad());
+        assert(is.gcount() == 0);
+    }
+}