| 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 | // <string> |
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| 11 | |
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| 12 | // template<> struct char_traits<char8_t> |
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| 13 | |
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| 14 | // static constexpr bool lt(char_type c1, char_type c2); |
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| 15 | |
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| 16 | #include <string> |
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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 | |
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| 21 | int main(int, char**) { |
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| 22 | #ifndef TEST_HAS_NO_CHAR8_T |
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| 23 | assert(!std::char_traits<char8_t>::lt(u8'a', u8'a')); |
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| 24 | assert(std::char_traits<char8_t>::lt(u8'A', u8'a')); |
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| 25 | #endif |
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| 26 | |
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| 27 | return 0; |
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| 28 | } |
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| 29 | |
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