1 files changed, 71 insertions, 0 deletions

diff --git a/libcxx/test/containers/associative/multiset/emplace.pass.cpp b/libcxx/test/containers/associative/multiset/emplace.pass.cpp
new file mode 100644
index 00000000000..b1520e9bee5
--- /dev/null
+++ b/libcxx/test/containers/associative/multiset/emplace.pass.cpp
@@ -0,0 +1,71 @@
+//===----------------------------------------------------------------------===//
+//
+// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <set>
+
+// class multiset
+
+// template <class... Args>
+//   iterator emplace(Args&&... args);
+
+#include <set>
+#include <cassert>
+
+#include "../../Emplaceable.h"
+#include "../../DefaultOnly.h"
+
+int main()
+{
+#ifdef _LIBCPP_MOVE
+    {
+        typedef std::multiset<DefaultOnly> M;
+        typedef M::iterator R;
+        M m;
+        assert(DefaultOnly::count == 0);
+        R r = m.emplace();
+        assert(r == m.begin());
+        assert(m.size() == 1);
+        assert(*m.begin() == DefaultOnly());
+        assert(DefaultOnly::count == 1);
+
+        r = m.emplace();
+        assert(r == next(m.begin()));
+        assert(m.size() == 2);
+        assert(*m.begin() == DefaultOnly());
+        assert(DefaultOnly::count == 2);
+    }
+    assert(DefaultOnly::count == 0);
+    {
+        typedef std::multiset<Emplaceable> M;
+        typedef M::iterator R;
+        M m;
+        R r = m.emplace();
+        assert(r == m.begin());
+        assert(m.size() == 1);
+        assert(*m.begin() == Emplaceable());
+        r = m.emplace(2, 3.5);
+        assert(r == next(m.begin()));
+        assert(m.size() == 2);
+        assert(*r == Emplaceable(2, 3.5));
+        r = m.emplace(2, 3.5);
+        assert(r == next(m.begin(), 2));
+        assert(m.size() == 3);
+        assert(*r == Emplaceable(2, 3.5));
+    }
+    {
+        typedef std::multiset<int> M;
+        typedef M::iterator R;
+        M m;
+        R r = m.emplace(M::value_type(2));
+        assert(r == m.begin());
+        assert(m.size() == 1);
+        assert(*r == 2);
+    }
+#endif
+}