1 files changed, 64 insertions, 0 deletions
diff --git a/libcxx/test/std/containers/unord/unord.multiset/emplace.pass.cpp b/libcxx/test/std/containers/unord/unord.multiset/emplace.pass.cpp
new file mode 100644
index 00000000000..13787d9b403
--- /dev/null
+++ b/libcxx/test/std/containers/unord/unord.multiset/emplace.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.
+//
+//===----------------------------------------------------------------------===//
+
+// <unordered_set>
+
+// template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
+//           class Alloc = allocator<Value>>
+// class unordered_multiset
+
+// template <class... Args>
+//     iterator emplace(Args&&... args);
+
+#include <unordered_set>
+#include <cassert>
+
+#include "../../Emplaceable.h"
+#include "min_allocator.h"
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        typedef std::unordered_multiset<Emplaceable> C;
+        typedef C::iterator R;
+        C c;
+        R r = c.emplace();
+        assert(c.size() == 1);
+        assert(*r == Emplaceable());
+
+        r = c.emplace(Emplaceable(5, 6));
+        assert(c.size() == 2);
+        assert(*r == Emplaceable(5, 6));
+
+        r = c.emplace(5, 6);
+        assert(c.size() == 3);
+        assert(*r == Emplaceable(5, 6));
+    }
+#if __cplusplus >= 201103L
+    {
+        typedef std::unordered_multiset<Emplaceable, std::hash<Emplaceable>,
+                      std::equal_to<Emplaceable>, min_allocator<Emplaceable>> C;
+        typedef C::iterator R;
+        C c;
+        R r = c.emplace();
+        assert(c.size() == 1);
+        assert(*r == Emplaceable());
+
+        r = c.emplace(Emplaceable(5, 6));
+        assert(c.size() == 2);
+        assert(*r == Emplaceable(5, 6));
+
+        r = c.emplace(5, 6);
+        assert(c.size() == 3);
+        assert(*r == Emplaceable(5, 6));
+    }
+#endif
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}