1 files changed, 23 insertions, 0 deletions

diff --git a/libcxx/test/thread/thread.mutex/thread.timedmutex.requirements/thread.timedmutex.class/assign.fail.cpp b/libcxx/test/thread/thread.mutex/thread.timedmutex.requirements/thread.timedmutex.class/assign.fail.cpp
new file mode 100644
index 00000000000..7d1746a6952
--- /dev/null
+++ b/libcxx/test/thread/thread.mutex/thread.timedmutex.requirements/thread.timedmutex.class/assign.fail.cpp
@@ -0,0 +1,23 @@
+//===----------------------------------------------------------------------===//
+//
+// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <mutex>
+
+// class timed_mutex;
+
+// timed_mutex& operator=(const timed_mutex&) = delete;
+
+#include <mutex>
+
+int main()
+{
+    std::timed_mutex m0;
+    std::timed_mutex m1;
+    m1 = m0;
+}