1 files changed, 42 insertions, 0 deletions
diff --git a/libcxx/test/std/utilities/time/time.cal/time.cal.mwd/time.cal.mwd.members/month.pass.cpp b/libcxx/test/std/utilities/time/time.cal/time.cal.mwd/time.cal.mwd.members/month.pass.cpp
new file mode 100644
index 00000000000..21d2748f6b9
--- /dev/null
+++ b/libcxx/test/std/utilities/time/time.cal/time.cal.mwd/time.cal.mwd.members/month.pass.cpp
@@ -0,0 +1,42 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+// UNSUPPORTED: c++03, c++11, c++14, c++17
+
+// <chrono>
+// class month_weekday;
+
+// constexpr chrono::month month() const noexcept;
+//  Returns: wd_
+
+#include <chrono>
+#include <type_traits>
+#include <cassert>
+
+#include "test_macros.h"
+
+int main()
+{
+    using month_weekday   = std::chrono::month_weekday;
+    using month           = std::chrono::month;
+    using weekday         = std::chrono::weekday;
+    using weekday_indexed = std::chrono::weekday_indexed;
+
+    constexpr weekday Sunday = std::chrono::Sunday;
+
+    ASSERT_NOEXCEPT(                 std::declval<const month_weekday>().month());
+    ASSERT_SAME_TYPE(month, decltype(std::declval<const month_weekday>().month()));
+
+    static_assert( month_weekday{}.month() == month{}, "");
+
+    for (unsigned i = 1; i <= 50; ++i)
+    {
+        month_weekday md(month{i}, weekday_indexed{Sunday, 1});
+        assert( static_cast<unsigned>(md.month()) == i);
+    }
+}