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-exception
6//
7//===----------------------------------------------------------------------===//
8
9// UNSUPPORTED: c++03, c++11, c++14
10
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

source code of libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.guard/implicit_ctad.pass.cpp