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// <mutex>
10
11// template <class Mutex> class unique_lock;
12
13// unique_lock(unique_lock&& u);
14
15#include <cassert>
16#include <memory>
17#include <mutex>
18#include <type_traits>
19
20#include "checking_mutex.h"
21#include "test_macros.h"
22
23#if TEST_STD_VER >= 11
24static_assert(std::is_nothrow_move_constructible<std::unique_lock<checking_mutex>>::value, "");
25#endif
26
27int main(int, char**) {
28 checking_mutex m;
29 std::unique_lock<checking_mutex> lk0(m);
30 std::unique_lock<checking_mutex> lk = std::move(lk0);
31
32 assert(lk.mutex() == std::addressof(m));
33 assert(lk.owns_lock());
34 assert(lk0.mutex() == nullptr);
35 assert(!lk0.owns_lock());
36
37 return 0;
38}
39

source code of libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.cons/move_ctor.pass.cpp