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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: libcpp-has-no-threads, c++98, c++03
// <mutex>
// template <class Mutex> class unique_lock;
// unique_lock& operator=(unique_lock&& u);
#include <mutex>
#include <cassert>
#include "nasty_containers.hpp"
int main()
{
{
typedef std::mutex M;
M m0;
M m1;
std::unique_lock<M> lk0(m0);
std::unique_lock<M> lk1(m1);
lk1 = std::move(lk0);
assert(lk1.mutex() == std::addressof(m0));
assert(lk1.owns_lock() == true);
assert(lk0.mutex() == nullptr);
assert(lk0.owns_lock() == false);
}
{
typedef nasty_mutex M;
M m0;
M m1;
std::unique_lock<M> lk0(m0);
std::unique_lock<M> lk1(m1);
lk1 = std::move(lk0);
assert(lk1.mutex() == std::addressof(m0));
assert(lk1.owns_lock() == true);
assert(lk0.mutex() == nullptr);
assert(lk0.owns_lock() == false);
}
}
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