| 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: c++03, c++11, c++14, c++17 |
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| 10 | |
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| 11 | // <compare> |
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| 12 | |
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| 13 | // template<class T> constexpr strong_ordering strong_order(const T& a, const T& b); |
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| 14 | |
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| 15 | // libc++ does not support strong_order(long double, long double) quite yet. |
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| 16 | // This test verifies the error message we give for that case. |
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| 17 | // TODO: remove this test once long double is properly supported. |
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| 18 | |
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| 19 | #include <compare> |
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| 20 | |
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| 21 | #include "test_macros.h" |
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| 22 | |
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| 23 | void f() { |
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| 24 | long double ld = 3.14; |
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| 25 | #ifdef TEST_LONG_DOUBLE_IS_DOUBLE |
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| 26 | (void)ld; // expected-no-diagnostics |
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| 27 | #else |
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| 28 | (void)std::strong_order(ld, ld); // expected-error@*:* {{std::strong_order is unimplemented for this floating-point type}} |
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| 29 | #endif |
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| 30 | } |
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| 31 | |
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