1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// REQUIRES: locale.en_US.UTF-8
10
11// XFAIL: availability-char8_t_support-missing
12
13// This test runs in C++20, but we have deprecated codecvt<char(16|32), char, mbstate_t> in C++20.
14// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
15
16// <locale>
17
18// static const locale& classic();
19
20#include <locale>
21#include <cassert>
22
23#include "test_macros.h"
24#include "platform_support.h" // locale name macros
25
26template<class CharT>
27void check_for(const std::locale& loc)
28{
29 assert(std::has_facet<std::collate<CharT> >(loc));
30
31 assert(std::has_facet<std::ctype<CharT> >(loc));
32
33 assert((std::has_facet<std::codecvt<CharT, char, std::mbstate_t> >(loc)));
34
35 assert(std::has_facet<std::moneypunct<CharT> >(loc));
36 assert(std::has_facet<std::money_get<CharT> >(loc));
37 assert(std::has_facet<std::money_put<CharT> >(loc));
38
39 assert(std::has_facet<std::numpunct<CharT> >(loc));
40 assert(std::has_facet<std::num_get<CharT> >(loc));
41 assert(std::has_facet<std::num_put<CharT> >(loc));
42
43 assert(std::has_facet<std::time_get<CharT> >(loc));
44 assert(std::has_facet<std::time_put<CharT> >(loc));
45
46 assert(std::has_facet<std::messages<CharT> >(loc));
47}
48
49void check(const std::locale& loc)
50{
51 check_for<char>(loc);
52#ifndef TEST_HAS_NO_WIDE_CHARACTERS
53 check_for<wchar_t>(loc);
54#endif
55
56 assert((std::has_facet<std::codecvt<char16_t, char, std::mbstate_t> >(loc)));
57 assert((std::has_facet<std::codecvt<char32_t, char, std::mbstate_t> >(loc)));
58#if TEST_STD_VER > 17
59 assert((std::has_facet<std::codecvt<char16_t, char8_t, std::mbstate_t> >(loc)));
60 assert((std::has_facet<std::codecvt<char32_t, char8_t, std::mbstate_t> >(loc)));
61#endif
62}
63
64int main(int, char**)
65{
66 std::locale loc;
67 assert(loc.name() == "C");
68 check(loc);
69 assert(std::locale::global(std::locale(LOCALE_en_US_UTF_8)) == loc);
70 std::locale loc2;
71 check(loc: loc2);
72 assert(loc2 == std::locale(LOCALE_en_US_UTF_8));
73
74 return 0;
75}
76

source code of libcxx/test/std/localization/locales/locale/locale.statics/global.pass.cpp