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/diagnostics/syserr/syserr.errcode/syserr.errcode.nonmembers/lt.pass.cpp

@@ -0,0 +1,27 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <system_error>
+
+// class error_code
+
+// bool operator<(const error_code& lhs, const error_code& rhs);
+
+#include <system_error>
+#include <string>
+#include <cassert>
+
+int main()
+{
+    {
+        const std::error_code ec1(6, std::generic_category());
+        const std::error_code ec2(7, std::generic_category());
+        assert(ec1 < ec2);
+    }
+}

test/std/diagnostics/syserr/syserr.errcode/syserr.errcode.nonmembers/make_error_code.pass.cpp

@@ -0,0 +1,26 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <system_error>
+
+// class error_code
+
+// error_code make_error_code(errc e);
+
+#include <system_error>
+#include <cassert>
+
+int main()
+{
+    {
+        std::error_code ec = make_error_code(std::errc::operation_canceled);
+        assert(ec.value() == static_cast<int>(std::errc::operation_canceled));
+        assert(ec.category() == std::generic_category());
+    }
+}

test/std/diagnostics/syserr/syserr.errcode/syserr.errcode.nonmembers/stream_inserter.pass.cpp

@@ -0,0 +1,27 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <system_error>
+
+// class error_code
+
+// template <class charT, class traits>
+//   basic_ostream<charT,traits>&
+//   operator<<(basic_ostream<charT,traits>& os, const error_code& ec);
+
+#include <system_error>
+#include <sstream>
+#include <cassert>
+
+int main()
+{
+    std::ostringstream out;
+    out << std::error_code(std::io_errc::stream);
+    assert(out.str() == "iostream:1");
+}