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/containers/unord/unord.set/emplace_hint.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.
+//
+//===----------------------------------------------------------------------===//
+
+// <unordered_set>
+
+// template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
+//           class Alloc = allocator<Value>>
+// class unordered_set
+
+// template <class... Args>
+//     iterator emplace_hint(const_iterator p, Args&&... args);
+
+#if _LIBCPP_DEBUG >= 1
+#define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::exit(0))
+#endif
+
+#include <unordered_set>
+#include <cassert>
+
+#include "../../Emplaceable.h"
+#include "min_allocator.h"
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        typedef std::unordered_set<Emplaceable> C;
+        typedef C::iterator R;
+        C c;
+        C::const_iterator e = c.end();
+        R r = c.emplace_hint(e);
+        assert(c.size() == 1);
+        assert(*r == Emplaceable());
+
+        r = c.emplace_hint(e, Emplaceable(5, 6));
+        assert(c.size() == 2);
+        assert(*r == Emplaceable(5, 6));
+
+        r = c.emplace_hint(r, 5, 6);
+        assert(c.size() == 2);
+        assert(*r == Emplaceable(5, 6));
+    }
+#if __cplusplus >= 201103L
+    {
+        typedef std::unordered_set<Emplaceable, std::hash<Emplaceable>,
+                      std::equal_to<Emplaceable>, min_allocator<Emplaceable>> C;
+        typedef C::iterator R;
+        C c;
+        C::const_iterator e = c.end();
+        R r = c.emplace_hint(e);
+        assert(c.size() == 1);
+        assert(*r == Emplaceable());
+
+        r = c.emplace_hint(e, Emplaceable(5, 6));
+        assert(c.size() == 2);
+        assert(*r == Emplaceable(5, 6));
+
+        r = c.emplace_hint(r, 5, 6);
+        assert(c.size() == 2);
+        assert(*r == Emplaceable(5, 6));
+    }
+#endif
+#if _LIBCPP_DEBUG >= 1
+    {
+        typedef std::unordered_set<Emplaceable> C;
+        typedef C::iterator R;
+        C c1;
+        C c2;
+        R r = c1.emplace_hint(c2.begin(), 5, 6);
+        assert(false);
+    }
+#endif
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}