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//===----------------------------------------------------------------------===//
//
// 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
// dylib support for shared_mutex was added in macosx10.12
// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11}}
// <shared_mutex>
// template <class Mutex> class shared_lock;
// shared_lock& operator=(shared_lock&& u);
#include <shared_mutex>
#include <cassert>
#include "nasty_containers.h"
#include "test_macros.h"
int main(int, char**)
{
{
typedef std::shared_timed_mutex M;
M m0;
M m1;
std::shared_lock<M> lk0(m0);
std::shared_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::shared_lock<M> lk0(m0);
std::shared_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);
}
return 0;
}
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