70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// UNSUPPORTED: no-threads
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// <thread>
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// class thread::id
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// bool operator==(thread::id x, thread::id y) noexcept;
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// bool operator!=(thread::id x, thread::id y) noexcept;
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// bool operator< (thread::id x, thread::id y) noexcept;
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// bool operator<=(thread::id x, thread::id y) noexcept;
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// bool operator> (thread::id x, thread::id y) noexcept;
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// bool operator>=(thread::id x, thread::id y) noexcept;
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// strong_ordering operator<=>(thread::id x, thread::id y) noexcept;
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#include <thread>
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#include <cassert>
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#include "test_macros.h"
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#include "test_comparisons.h"
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int main(int, char**) {
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AssertComparisonsAreNoexcept<std::thread::id>();
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AssertComparisonsReturnBool<std::thread::id>();
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#if TEST_STD_VER > 17
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AssertOrderAreNoexcept<std::thread::id>();
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AssertOrderReturn<std::strong_ordering, std::thread::id>();
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#endif
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std::thread::id id1;
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std::thread::id id2;
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std::thread::id id3 = std::this_thread::get_id();
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// `id1` and `id2` should compare equal
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assert(testComparisons(id1, id2, /*isEqual*/ true, /*isLess*/ false));
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#if TEST_STD_VER > 17
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assert(testOrder(id1, id2, std::strong_ordering::equal));
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#endif
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// Test `t1` and `t3` which are not equal
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bool isLess = id1 < id3;
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assert(testComparisons(id1, id3, /*isEqual*/ false, isLess));
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#if TEST_STD_VER > 17
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assert(testOrder(id1, id3, isLess ? std::strong_ordering::less : std::strong_ordering::greater));
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#endif
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// Regression tests for https://github.com/llvm/llvm-project/issues/56187
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// libc++ previously declared the comparison operators as hidden friends
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// which was non-conforming.
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assert(std::operator==(id1, id2));
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#if TEST_STD_VER <= 17
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assert(!std::operator!=(id1, id2));
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assert(!std::operator<(id1, id2));
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assert(std::operator<=(id1, id2));
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assert(!std::operator>(id1, id2));
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assert(std::operator>=(id1, id2));
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#else
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assert(std::operator<=>(id1, id2) == std::strong_ordering::equal);
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#endif
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return 0;
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}
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