1 files changed, 29 insertions, 0 deletions
diff --git a/libcxx/test/std/utilities/time/time.hms/hhmmss.fail.cpp b/libcxx/test/std/utilities/time/time.hms/hhmmss.fail.cpp
new file mode 100644
index 00000000000..8849831d915
--- /dev/null
+++ b/libcxx/test/std/utilities/time/time.hms/hhmmss.fail.cpp
@@ -0,0 +1,29 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
+// <chrono>
+
+// template <class Duration> class hh_mm_ss;
+//   If Duration is not an instance of duration, the program is ill-formed.
+
+#include <chrono>
+#include <string>
+#include <cassert>
+#include "test_macros.h"
+
+struct A {};
+
+int main(int, char**)
+{
+    std::chrono::hh_mm_ss<void> h0;        // expected-error-re@chrono:* {{static_assert failed {{.*}} "template parameter of hh_mm_ss must be a std::chrono::duration"}}
+    std::chrono::hh_mm_ss<int> h1;         // expected-error-re@chrono:* {{static_assert failed {{.*}} "template parameter of hh_mm_ss must be a std::chrono::duration"}}
+    std::chrono::hh_mm_ss<std::string> h2; // expected-error-re@chrono:* {{static_assert failed {{.*}} "template parameter of hh_mm_ss must be a std::chrono::duration"}}
+    std::chrono::hh_mm_ss<A> h3;           // expected-error-re@chrono:* {{static_assert failed {{.*}} "template parameter of hh_mm_ss must be a std::chrono::duration"}}
+
+    return 0;
+}