[libcxx-commits] [PATCH] D154957: [libc++] add test for latch ctor

[Edo via Phabricator via libcxx-commits]

diamante0018 updated this revision to Diff 539296.
diamante0018 added a comment.

Fix diff


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D154957/new/

https://reviews.llvm.org/D154957

Files:
  libcxx/test/std/thread/thread.latch/ctor.pass.cpp


Index: libcxx/test/std/thread/thread.latch/ctor.pass.cpp
===================================================================
--- /dev/null
+++ libcxx/test/std/thread/thread.latch/ctor.pass.cpp
@@ -0,0 +1,37 @@
+//===----------------------------------------------------------------------===//
+//
+// 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: no-threads
+// UNSUPPORTED: c++03, c++11
+
+// XFAIL: availability-synchronization_library-missing
+
+// <latch>
+
+// inline constexpr explicit latch(ptrdiff_t __expected);
+
+// Make sure that the ctor of latch is constexpr and explicit.
+
+#include <latch>
+
+#include "test_convertible.h"
+
+static_assert(!test_convertible<std::latch>(), "This constructor must be explicit");
+
+constexpr bool test() {
+  std::latch l(5);
+  (void)l;
+  return true;
+}
+
+int main(int, char**) {
+  test();
+  static_assert(test(), "");
+
+  return 0;
+}


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