| 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 charT> |
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| 12 | // class collate |
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| 13 | // : public locale::facet { |
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| 14 | // public: |
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| 15 | // typedef charT char_type; |
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| 16 | // typedef basic_string<charT>string_type; |
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| 17 | // |
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| 18 | // static locale::id id; |
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| 19 | // }; |
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| 20 | |
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| 21 | #include <locale> |
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| 22 | #include <type_traits> |
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| 23 | #include <cassert> |
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| 24 | |
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| 25 | #include "test_macros.h" |
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| 26 | |
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| 27 | int main(int, char**) |
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| 28 | { |
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| 29 | std::locale l = std::locale::classic(); |
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| 30 | { |
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| 31 | assert(std::has_facet<std::collate<char> >(l)); |
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| 32 | const std::collate<char>& f = std::use_facet<std::collate<char> >(l); |
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| 33 | ((void)f); // Prevent unused warning |
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| 34 | { |
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| 35 | (void)std::collate<char>::id; |
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| 36 | } |
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| 37 | static_assert((std::is_same<std::collate<char>::char_type, char>::value), "" ); |
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| 38 | static_assert((std::is_same<std::collate<char>::string_type, std::string>::value), "" ); |
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| 39 | static_assert((std::is_base_of<std::locale::facet, std::collate<char> >::value), "" ); |
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| 40 | } |
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| 41 | #ifndef TEST_HAS_NO_WIDE_CHARACTERS |
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| 42 | { |
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| 43 | assert(std::has_facet<std::collate<wchar_t> >(l)); |
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| 44 | const std::collate<wchar_t>& f = std::use_facet<std::collate<wchar_t> >(l); |
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| 45 | ((void)f); // Prevent unused warning |
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| 46 | { |
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| 47 | (void)std::collate<wchar_t>::id; |
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| 48 | } |
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| 49 | static_assert((std::is_same<std::collate<wchar_t>::char_type, wchar_t>::value), "" ); |
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| 50 | static_assert((std::is_same<std::collate<wchar_t>::string_type, std::wstring>::value), "" ); |
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| 51 | static_assert((std::is_base_of<std::locale::facet, std::collate<wchar_t> >::value), "" ); |
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| 52 | } |
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| 53 | #endif |
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| 54 | |
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| 55 | return 0; |
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| 56 | } |
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| 57 | |
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