1 files changed, 30 insertions, 0 deletions
diff --git a/test/std/utilities/time/time.duration/ratio.fail.cpp b/test/std/utilities/time/time.duration/ratio.fail.cpp
new file mode 100644
index 0000000000000..4ce0aaad003e6
--- /dev/null
+++ b/test/std/utilities/time/time.duration/ratio.fail.cpp
@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <chrono>
+
+// duration
+
+// Period shall be a specialization of ratio, diagnostic required.
+
+#include <chrono>
+
+template <int N, int D = 1>
+class Ratio
+{
+public:
+    static const int num = N;
+    static const int den = D;
+};
+
+int main()
+{
+    typedef std::chrono::duration<int, Ratio<1> > D;
+    D d;
+}