72 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8//9// UNSUPPORTED: no-threads10 11// <thread>12 13// class thread14 15// thread(thread&& t);16 17#include <thread>18#include <cassert>19#include <cstdlib>20#include <utility>21 22#include "make_test_thread.h"23#include "test_macros.h"24 25class G26{27 int alive_;28public:29 static int n_alive;30 static bool op_run;31 32 G() : alive_(1) {++n_alive;}33 G(const G& g) : alive_(g.alive_) {++n_alive;}34 ~G() {alive_ = 0; --n_alive;}35 36 void operator()()37 {38 assert(alive_ == 1);39 assert(n_alive >= 1);40 op_run = true;41 }42};43 44int G::n_alive = 0;45bool G::op_run = false;46 47int main(int, char**)48{49 assert(G::n_alive == 0);50 assert(!G::op_run);51 {52 G g;53 assert(G::n_alive == 1);54 assert(!G::op_run);55 56 std::thread t0 = support::make_test_thread(g);57 std::thread::id id = t0.get_id();58 59 std::thread t1 = std::move(t0);60 assert(t1.get_id() == id);61 assert(t0.get_id() == std::thread::id());62 63 t1.join();64 assert(G::n_alive == 1);65 assert(G::op_run);66 }67 assert(G::n_alive == 0);68 assert(G::op_run);69 70 return 0;71}72