xref: /llvm-project/libcxx/test/std/localization/locales/locale/locale.cons/name_construction.pass.cpp (revision 3497500946c9b6a1b2e1452312a24c41ee412b34)
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 // REQUIRES: locale.zh_CN.UTF-8
11 
12 // <locale>
13 
14 // Test locale name construction for the following constructors:
15 // locale(const locale& other, const char* std_name, category cat);
16 // locale(const locale& other, const string& std_name, category cat);
17 // locale(const locale& other, const locale& one, category cats);
18 
19 // This test exercises the fix for locale name construction (http://llvm.org/D119441 aka 643b7bcdb404),
20 // which isn't in the dylib for some systems.
21 // XFAIL: using-built-library-before-llvm-17
22 
23 #include <locale>
24 #include <cassert>
25 #include "platform_support.h" // locale name macros
26 
main(int,char **)27 int main(int, char**) {
28     std::locale en(LOCALE_en_US_UTF_8);
29     std::locale zh(LOCALE_zh_CN_UTF_8);
30     std::locale unnamed(std::locale(), new std::ctype<char>);
31     {
32         std::locale loc(unnamed, en, std::locale::time);
33         assert(loc.name() == "*");
34     }
35     {
36         std::locale loc(en, unnamed, std::locale::none);
37         assert(loc.name() == "*");
38     }
39     {
40         std::locale loc(en, "", std::locale::none);
41         assert(loc.name() == en.name());
42     }
43     {
44         std::locale loc(en, zh, std::locale::none);
45         assert(loc.name() == en.name());
46     }
47     {
48         std::locale loc(en, LOCALE_en_US_UTF_8, std::locale::time);
49         assert(loc.name() == en.name());
50     }
51     {
52         std::locale loc(en, std::string(LOCALE_en_US_UTF_8), std::locale::collate);
53         assert(loc.name() == en.name());
54     }
55   return 0;
56 }
57