| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // UNSUPPORTED: no-threads |
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| 10 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
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| 11 | // XFAIL: availability-synchronization_library-missing |
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| 12 | |
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| 13 | // stop_token& operator=(stop_token&& rhs) noexcept; |
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| 14 | |
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| 15 | #include <cassert> |
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| 16 | #include <concepts> |
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| 17 | #include <stop_token> |
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| 18 | #include <type_traits> |
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| 19 | #include <utility> |
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| 20 | |
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| 21 | #include "test_macros.h" |
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| 22 | |
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| 23 | static_assert(std::is_nothrow_move_assignable_v<std::stop_token>); |
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| 24 | |
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| 25 | int main(int, char**) { |
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| 26 | { |
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| 27 | std::stop_token st1; |
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| 28 | |
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| 29 | std::stop_source source; |
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| 30 | auto st2 = source.get_token(); |
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| 31 | |
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| 32 | assert(st1 != st2); |
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| 33 | |
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| 34 | source.request_stop(); |
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| 35 | |
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| 36 | assert(!st1.stop_requested()); |
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| 37 | assert(st2.stop_requested()); |
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| 38 | |
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| 39 | std::same_as<std::stop_token&> decltype(auto) ref = st1 = std::move(st2); |
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| 40 | assert(&ref == &st1); |
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| 41 | |
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| 42 | assert(st1 != st2); |
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| 43 | assert(st1.stop_requested()); |
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| 44 | assert(!st2.stop_requested()); |
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| 45 | } |
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| 46 | |
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| 47 | return 0; |
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| 48 | } |
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| 49 | |
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