| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <locale> |
| |
| // template <class Facet> bool has_facet(const locale& loc) throw(); |
| |
| #include <locale> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| struct my_facet |
| : public std::locale::facet |
| { |
| static std::locale::id id; |
| }; |
| |
| std::locale::id my_facet::id; |
| |
| int main(int, char**) |
| { |
| std::locale loc; |
| assert(std::has_facet<std::ctype<char> >(loc)); |
| assert(!std::has_facet<my_facet>(loc)); |
| std::locale loc2(loc, new my_facet); |
| assert(std::has_facet<my_facet>(loc2)); |
| |
| return 0; |
| } |