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/utilities/utility/pairs/pairs.spec/make_pair.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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> pair<V1, V2> make_pair(T1&&, T2&&);
+
+#include <utility>
+#include <memory>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::pair<int, short> P1;
+        P1 p1 = std::make_pair(3, 4);
+        assert(p1.first == 3);
+        assert(p1.second == 4);
+    }
+    
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        typedef std::pair<std::unique_ptr<int>, short> P1;
+        P1 p1 = std::make_pair(std::unique_ptr<int>(new int(3)), 4);
+        assert(*p1.first == 3);
+        assert(p1.second == 4);
+    }
+    {
+        typedef std::pair<std::unique_ptr<int>, short> P1;
+        P1 p1 = std::make_pair(nullptr, 4);
+        assert(p1.first == nullptr);
+        assert(p1.second == 4);
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+#if _LIBCPP_STD_VER > 11
+    {
+        typedef std::pair<int, short> P1;
+        constexpr P1 p1 = std::make_pair(3, 4);
+        static_assert(p1.first == 3, "");
+        static_assert(p1.second == 4, "");
+    }
+#endif
+
+}