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// UNSUPPORTED: no-threads
10// UNSUPPORTED: c++03
11
12// <future>
13
14// class packaged_task<R(ArgTypes...)>
15
16// packaged_task(packaged_task&& other);
17
18#include <future>
19#include <cassert>
20
21#include "test_macros.h"
22
23class A
24{
25 long data_;
26
27public:
28 explicit A(long i) : data_(i) {}
29
30 long operator()(long i, long j) const {return data_ + i + j;}
31};
32
33int main(int, char**)
34{
35 {
36 std::packaged_task<double(int, char)> p0(A(5));
37 std::packaged_task<double(int, char)> p = std::move(p0);
38 assert(!p0.valid());
39 assert(p.valid());
40 std::future<double> f = p.get_future();
41 p(3, 97);
42 assert(f.get() == 105.0);
43 }
44 {
45 std::packaged_task<double(int, char)> p0;
46 std::packaged_task<double(int, char)> p = std::move(p0);
47 assert(!p0.valid());
48 assert(!p.valid());
49 }
50
51 return 0;
52}
53

source code of libcxx/test/std/thread/futures/futures.task/futures.task.members/ctor_move.pass.cpp