37 lines
1.2 KiB
C++
37 lines
1.2 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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// UNSUPPORTED: c++03, c++11, c++14, c++17
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// <system_error>
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// class error_category
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// strong_ordering operator<=>(const error_category& rhs) const noexcept;
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#include <system_error>
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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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AssertOrderAreNoexcept<std::error_category>();
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AssertOrderReturn<std::strong_ordering, std::error_category>();
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const std::error_category& e_cat1 = std::generic_category();
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const std::error_category& e_cat2 = std::generic_category();
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const std::error_category& e_cat3 = std::system_category();
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assert(testOrder(e_cat1, e_cat2, std::strong_ordering::equal));
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bool isLess = e_cat1 < e_cat3;
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assert(testOrder(e_cat1, e_cat3, isLess ? std::strong_ordering::less : std::strong_ordering::greater));
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return 0;
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}
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