1 files changed, 51 insertions, 0 deletions
diff --git a/test/std/utilities/time/time.cal/time.cal.weekday/time.cal.weekday.members/ctor.pass.cpp b/test/std/utilities/time/time.cal/time.cal.weekday/time.cal.weekday.members/ctor.pass.cpp
new file mode 100644
index 0000000000000..f6bfc21928758
--- /dev/null
+++ b/test/std/utilities/time/time.cal/time.cal.weekday/time.cal.weekday.members/ctor.pass.cpp
@@ -0,0 +1,51 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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++98, c++03, c++11, c++14, c++17
+
+// <chrono>
+// class weekday;
+
+//                     weekday() = default;
+//  explicit constexpr weekday(unsigned wd) noexcept;
+//  constexpr weekday(const sys_days& dp) noexcept;
+//  explicit constexpr weekday(const local_days& dp) noexcept;
+//
+//  explicit constexpr operator unsigned() const noexcept;
+
+//  Effects: Constructs an object of type weekday by initializing m_ with m.
+//    The value held is unspecified if d is not in the range [0, 255].
+
+#include <chrono>
+#include <type_traits>
+#include <cassert>
+
+#include "test_macros.h"
+
+int main()
+{
+    using weekday = std::chrono::weekday;
+
+    ASSERT_NOEXCEPT(weekday{});
+    ASSERT_NOEXCEPT(weekday(1));
+    ASSERT_NOEXCEPT(static_cast<unsigned>(weekday(1)));
+
+    constexpr weekday m0{};
+    static_assert(static_cast<unsigned>(m0) == 0, "");
+
+    constexpr weekday m1{1};
+    static_assert(static_cast<unsigned>(m1) == 1, "");
+
+    for (unsigned i = 0; i <= 255; ++i)
+    {
+        weekday m(i);
+        assert(static_cast<unsigned>(m) == i);
+    }
+
+// TODO - sys_days and local_days ctor tests
+}