1 files changed, 49 insertions, 0 deletions

diff --git a/libcxx/test/containers/associative/set/insert_cv.pass.cpp b/libcxx/test/containers/associative/set/insert_cv.pass.cpp
new file mode 100644
index 00000000000..8fcc57da4b9
--- /dev/null
+++ b/libcxx/test/containers/associative/set/insert_cv.pass.cpp
@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <set>
+
+// class set
+
+// pair<iterator, bool> insert(const value_type& v);
+
+#include <set>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::set<int> M;
+        typedef std::pair<M::iterator, bool> R;
+        M m;
+        R r = m.insert(M::value_type(2));
+        assert(r.second);
+        assert(r.first == m.begin());
+        assert(m.size() == 1);
+        assert(*r.first == 2);
+
+        r = m.insert(M::value_type(1));
+        assert(r.second);
+        assert(r.first == m.begin());
+        assert(m.size() == 2);
+        assert(*r.first == 1);
+
+        r = m.insert(M::value_type(3));
+        assert(r.second);
+        assert(r.first == prev(m.end()));
+        assert(m.size() == 3);
+        assert(*r.first == 3);
+
+        r = m.insert(M::value_type(3));
+        assert(!r.second);
+        assert(r.first == prev(m.end()));
+        assert(m.size() == 3);
+        assert(*r.first == 3);
+    }
+}