| 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 | // <locale> |
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| 10 | |
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| 11 | // template <class Facet> bool has_facet(const locale& loc) throw(); |
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| 12 | |
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| 13 | #include <locale> |
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| 14 | #include <cassert> |
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| 15 | |
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| 16 | #include "test_macros.h" |
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| 17 | |
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| 18 | struct my_facet |
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| 19 | : public std::locale::facet |
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| 20 | { |
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| 21 | static std::locale::id id; |
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| 22 | }; |
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| 23 | |
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| 24 | std::locale::id my_facet::id; |
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| 25 | |
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| 26 | int main(int, char**) |
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| 27 | { |
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| 28 | std::locale loc; |
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| 29 | assert(std::has_facet<std::ctype<char> >(loc)); |
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| 30 | assert(!std::has_facet<my_facet>(loc)); |
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| 31 | std::locale loc2(loc, new my_facet); |
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| 32 | assert(std::has_facet<my_facet>(loc2)); |
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| 33 | |
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| 34 | return 0; |
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| 35 | } |
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| 36 | |
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