1 files changed, 17 insertions, 0 deletions
diff --git a/libcxx/test/utilities/time/clock.h b/libcxx/test/utilities/time/clock.h
new file mode 100644
index 00000000000..d5f4c02cc2f
--- /dev/null
+++ b/libcxx/test/utilities/time/clock.h
@@ -0,0 +1,17 @@
+#ifndef CLOCK_H
+#define CLOCK_H
+
+#include <chrono>
+
+class Clock
+{
+    typedef std::chrono::nanoseconds                 duration;
+    typedef duration::rep                            rep;
+    typedef duration::period                         period;
+    typedef std::chrono::time_point<Clock, duration> time_point;
+    static const bool is_monotonic =                 false;
+
+    static time_point now();
+};
+
+#endif