32 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// UNSUPPORTED: c++03, c++11, c++1410 11// <mutex>12 13// template <class Mutex> class lock_guard;14 15// Make sure that the implicitly-generated CTAD works.16 17#include <mutex>18 19#include "test_macros.h"20#include "types.h"21 22int main(int, char**) {23 MyMutex m;24 {25 std::lock_guard lg(m);26 ASSERT_SAME_TYPE(decltype(lg), std::lock_guard<MyMutex>);27 }28 29 return 0;30}31 32