| 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 | // <string> |
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| 10 | |
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| 11 | // template<> struct char_traits<char8_t> |
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| 12 | |
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| 13 | // static constexpr void assign(char_type& c1, const char_type& c2); |
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| 14 | |
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| 15 | #include <string> |
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| 16 | #include <cassert> |
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| 17 | |
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| 18 | #include "test_macros.h" |
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| 19 | |
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| 20 | #ifndef TEST_HAS_NO_CHAR8_T |
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| 21 | constexpr bool test_constexpr() { |
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| 22 | char8_t c = u8'1'; |
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| 23 | std::char_traits<char8_t>::assign(c, u'a'); |
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| 24 | return c == u8'a'; |
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| 25 | } |
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| 26 | |
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| 27 | int main(int, char**) { |
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| 28 | char8_t c = u8'\0'; |
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| 29 | std::char_traits<char8_t>::assign(c, u8'a'); |
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| 30 | assert(c == u8'a'); |
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| 31 | |
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| 32 | static_assert(test_constexpr(), "" ); |
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| 33 | return 0; |
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| 34 | } |
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| 35 | #else |
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| 36 | int main(int, char**) { return 0; } |
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| 37 | #endif |
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| 38 | |
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