1 files changed, 39 insertions, 0 deletions
diff --git a/libcxx/test/std/utilities/time/time.cal/time.cal.ym/time.cal.ym.members/month.pass.cpp b/libcxx/test/std/utilities/time/time.cal/time.cal.ym/time.cal.ym.members/month.pass.cpp
new file mode 100644
index 00000000000..a747f52b653
--- /dev/null
+++ b/libcxx/test/std/utilities/time/time.cal/time.cal.ym/time.cal.ym.members/month.pass.cpp
@@ -0,0 +1,39 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 year_month;
+
+// constexpr chrono::month month() const noexcept;
+//  Returns: wd_
+
+#include <chrono>
+#include <type_traits>
+#include <cassert>
+
+#include "test_macros.h"
+
+int main()
+{
+    using year       = std::chrono::year;
+    using month      = std::chrono::month;
+    using year_month = std::chrono::year_month;
+
+    ASSERT_NOEXCEPT(                 std::declval<const year_month>().month());
+    ASSERT_SAME_TYPE(month, decltype(std::declval<const year_month>().month()));
+
+    static_assert( year_month{}.month() == month{}, "");
+
+    for (unsigned i = 1; i <= 50; ++i)
+    {
+        year_month ym(year{1234}, month{i});
+        assert( static_cast<unsigned>(ym.month()) == i);
+    }
+}