| 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 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
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| 9 | |
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| 10 | // <system_error> |
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| 11 | |
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| 12 | // class error_category |
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| 13 | |
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| 14 | // strong_ordering operator<=>(const error_category& rhs) const noexcept; |
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| 15 | |
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| 16 | #include <system_error> |
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| 17 | #include <cassert> |
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| 18 | |
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| 19 | #include "test_macros.h" |
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| 20 | #include "test_comparisons.h" |
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| 21 | |
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| 22 | int main(int, char**) { |
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| 23 | AssertOrderAreNoexcept<std::error_category>(); |
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| 24 | AssertOrderReturn<std::strong_ordering, std::error_category>(); |
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| 25 | |
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| 26 | const std::error_category& e_cat1 = std::generic_category(); |
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| 27 | const std::error_category& e_cat2 = std::generic_category(); |
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| 28 | const std::error_category& e_cat3 = std::system_category(); |
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| 29 | |
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| 30 | assert(testOrder(e_cat1, e_cat2, std::strong_ordering::equal)); |
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| 31 | |
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| 32 | bool isLess = e_cat1 < e_cat3; |
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| 33 | assert(testOrder(e_cat1, e_cat3, isLess ? std::strong_ordering::less : std::strong_ordering::greater)); |
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| 34 | |
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| 35 | return 0; |
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| 36 | } |
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| 37 | |
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