sync with N3126

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@113101 91177308-0d34-0410-b5e6-96231b3b80d8

test/containers/container.adaptors/queue/queue.cons/ctor_container.pass.cpp

@@ -0,0 +1,37 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <queue>
+
+// explicit queue(const container_type& c);
+
+#include <queue>
+#include <cassert>
+
+template <class C>
+C
+make(int n)
+{
+    C c;
+    for (int i = 0; i < n; ++i)
+        c.push_back(i);
+    return c;
+}
+
+int main()
+{
+    std::deque<int> d = make<std::deque<int> >(5);
+    std::queue<int> q(d);
+    assert(q.size() == 5);
+    for (int i = 0; i < d.size(); ++i)
+    {
+        assert(q.front() == d[i]);
+        q.pop();
+    }
+}