xref: /llvm-project/libcxx/test/std/re/re.alg/re.alg.match/basic.locale.pass.cpp (revision c360553c15a8e5aa94d2236eb73e7dfeab9543e5)
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 // NetBSD does not support LC_COLLATE at the moment
10 // XFAIL: netbsd
11 
12 // REQUIRES: locale.cs_CZ.ISO8859-2
13 
14 // <regex>
15 
16 // template <class BidirectionalIterator, class Allocator, class charT, class traits>
17 //     bool
18 //     regex_match(BidirectionalIterator first, BidirectionalIterator last,
19 //                  match_results<BidirectionalIterator, Allocator>& m,
20 //                  const basic_regex<charT, traits>& e,
21 //                  regex_constants::match_flag_type flags = regex_constants::match_default);
22 
23 // TODO: investigation needed
24 // XFAIL: target={{.*}}-linux-gnu{{.*}}, freebsd
25 
26 #include <regex>
27 #include <cassert>
28 #include "test_macros.h"
29 #include "test_iterators.h"
30 
31 #include "platform_support.h" // locale name macros
32 
33 int main(int, char**)
34 {
35     std::locale::global(std::locale(LOCALE_cs_CZ_ISO8859_2));
36     {
37         std::cmatch m;
38         const char s[] = "m";
39         assert(std::regex_match(s, m, std::regex("[a[=M=]z]",
40                                                  std::regex_constants::basic)));
41         assert(m.size() == 1);
42         assert(!m.prefix().matched);
43         assert(m.prefix().first == s);
44         assert(m.prefix().second == m[0].first);
45         assert(!m.suffix().matched);
46         assert(m.suffix().first == m[0].second);
47         assert(m.suffix().second == m[0].second);
48         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
49         assert(m.position(0) == 0);
50         assert(m.str(0) == s);
51     }
52     {
53         std::cmatch m;
54         const char s[] = "Ch";
55         assert(std::regex_match(s, m, std::regex("[a[.ch.]z]",
56                    std::regex_constants::basic | std::regex_constants::icase)));
57         assert(m.size() == 1);
58         assert(!m.prefix().matched);
59         assert(m.prefix().first == s);
60         assert(m.prefix().second == m[0].first);
61         assert(!m.suffix().matched);
62         assert(m.suffix().first == m[0].second);
63         assert(m.suffix().second == m[0].second);
64         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
65         assert(m.position(0) == 0);
66         assert(m.str(0) == s);
67     }
68     std::locale::global(std::locale("C"));
69     {
70         std::cmatch m;
71         const char s[] = "m";
72         assert(!std::regex_match(s, m, std::regex("[a[=M=]z]",
73                                                  std::regex_constants::basic)));
74         assert(m.size() == 0);
75     }
76     std::locale::global(std::locale(LOCALE_cs_CZ_ISO8859_2));
77     {
78         std::wcmatch m;
79         const wchar_t s[] = L"m";
80         assert(std::regex_match(s, m, std::wregex(L"[a[=M=]z]",
81                                                  std::regex_constants::basic)));
82         assert(m.size() == 1);
83         assert(!m.prefix().matched);
84         assert(m.prefix().first == s);
85         assert(m.prefix().second == m[0].first);
86         assert(!m.suffix().matched);
87         assert(m.suffix().first == m[0].second);
88         assert(m.suffix().second == m[0].second);
89         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
90         assert(m.position(0) == 0);
91         assert(m.str(0) == s);
92     }
93     {
94         std::wcmatch m;
95         const wchar_t s[] = L"Ch";
96         assert(std::regex_match(s, m, std::wregex(L"[a[.ch.]z]",
97                    std::regex_constants::basic | std::regex_constants::icase)));
98         assert(m.size() == 1);
99         assert(!m.prefix().matched);
100         assert(m.prefix().first == s);
101         assert(m.prefix().second == m[0].first);
102         assert(!m.suffix().matched);
103         assert(m.suffix().first == m[0].second);
104         assert(m.suffix().second == m[0].second);
105         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
106         assert(m.position(0) == 0);
107         assert(m.str(0) == s);
108     }
109     std::locale::global(std::locale("C"));
110     {
111         std::wcmatch m;
112         const wchar_t s[] = L"m";
113         assert(!std::regex_match(s, m, std::wregex(L"[a[=M=]z]",
114                                                  std::regex_constants::basic)));
115         assert(m.size() == 0);
116     }
117     return 0;
118 }
119