move.pass.cpp
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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: libcpp-has-no-threads, c++98, c++03
// <thread>
// class thread
// thread(thread&& t);
#include <thread>
#include <new>
#include <cstdlib>
#include <cassert>
#include "test_macros.h"
class G
{
int alive_;
public:
static int n_alive;
static bool op_run;
G() : alive_(1) {++n_alive;}
G(const G& g) : alive_(g.alive_) {++n_alive;}
~G() {alive_ = 0; --n_alive;}
void operator()()
{
assert(alive_ == 1);
assert(n_alive >= 1);
op_run = true;
}
void operator()(int i, double j)
{
assert(alive_ == 1);
assert(n_alive >= 1);
assert(i == 5);
assert(j == 5.5);
op_run = true;
}
};
int G::n_alive = 0;
bool G::op_run = false;
int main(int, char**)
{
{
G g;
assert(G::n_alive == 1);
assert(!G::op_run);
std::thread t0(g, 5, 5.5);
std::thread::id id = t0.get_id();
std::thread t1 = std::move(t0);
assert(t1.get_id() == id);
assert(t0.get_id() == std::thread::id());
t1.join();
assert(G::n_alive == 1);
assert(G::op_run);
}
assert(G::n_alive == 0);
return 0;
}