xref: /llvm-project/libcxx/test/std/re/re.alg/re.alg.search/extended.locale.pass.cpp (revision fb855eb941b6d740cc6560297d0b4d3201dcaf9f)
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 // XFAIL: LIBCXX-AIX-FIXME
12 
13 // REQUIRES: locale.cs_CZ.ISO8859-2
14 
15 // <regex>
16 
17 // template <class BidirectionalIterator, class Allocator, class charT, class traits>
18 //     bool
19 //     regex_search(BidirectionalIterator first, BidirectionalIterator last,
20 //                  match_results<BidirectionalIterator, Allocator>& m,
21 //                  const basic_regex<charT, traits>& e,
22 //                  regex_constants::match_flag_type flags = regex_constants::match_default);
23 
24 // TODO: investigation needed
25 // XFAIL: target={{.*}}-linux-gnu{{.*}}, freebsd
26 
27 #include <regex>
28 #include <cassert>
29 #include "test_macros.h"
30 #include "test_iterators.h"
31 
32 #include "platform_support.h" // locale name macros
33 
main(int,char **)34 int main(int, char**)
35 {
36     std::locale::global(std::locale(LOCALE_cs_CZ_ISO8859_2));
37     {
38         std::cmatch m;
39         const char s[] = "m";
40         assert(std::regex_search(s, m, std::regex("[a[=M=]z]",
41                                                  std::regex_constants::extended)));
42         assert(m.size() == 1);
43         assert(!m.prefix().matched);
44         assert(m.prefix().first == s);
45         assert(m.prefix().second == m[0].first);
46         assert(!m.suffix().matched);
47         assert(m.suffix().first == m[0].second);
48         assert(m.suffix().second == m[0].second);
49         assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<char>::length(s));
50         assert(m.position(0) == 0);
51         assert(m.str(0) == s);
52     }
53     {
54         std::cmatch m;
55         const char s[] = "Ch";
56         assert(std::regex_search(s, m, std::regex("[a[.ch.]z]",
57                    std::regex_constants::extended | std::regex_constants::icase)));
58         assert(m.size() == 1);
59         assert(!m.prefix().matched);
60         assert(m.prefix().first == s);
61         assert(m.prefix().second == m[0].first);
62         assert(!m.suffix().matched);
63         assert(m.suffix().first == m[0].second);
64         assert(m.suffix().second == m[0].second);
65         assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<char>::length(s));
66         assert(m.position(0) == 0);
67         assert(m.str(0) == s);
68     }
69     std::locale::global(std::locale("C"));
70     {
71         std::cmatch m;
72         const char s[] = "m";
73         assert(!std::regex_search(s, m, std::regex("[a[=M=]z]",
74                                                  std::regex_constants::extended)));
75         assert(m.size() == 0);
76     }
77 
78 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
79     std::locale::global(std::locale(LOCALE_cs_CZ_ISO8859_2));
80     {
81         std::wcmatch m;
82         const wchar_t s[] = L"m";
83         assert(std::regex_search(s, m, std::wregex(L"[a[=M=]z]",
84                                                  std::regex_constants::extended)));
85         assert(m.size() == 1);
86         assert(!m.prefix().matched);
87         assert(m.prefix().first == s);
88         assert(m.prefix().second == m[0].first);
89         assert(!m.suffix().matched);
90         assert(m.suffix().first == m[0].second);
91         assert(m.suffix().second == m[0].second);
92         assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
93         assert(m.position(0) == 0);
94         assert(m.str(0) == s);
95     }
96     {
97         std::wcmatch m;
98         const wchar_t s[] = L"Ch";
99         assert(std::regex_search(s, m, std::wregex(L"[a[.ch.]z]",
100                    std::regex_constants::extended | std::regex_constants::icase)));
101         assert(m.size() == 1);
102         assert(!m.prefix().matched);
103         assert(m.prefix().first == s);
104         assert(m.prefix().second == m[0].first);
105         assert(!m.suffix().matched);
106         assert(m.suffix().first == m[0].second);
107         assert(m.suffix().second == m[0].second);
108         assert(m.length(0) >= 0 && static_cast<std::size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
109         assert(m.position(0) == 0);
110         assert(m.str(0) == s);
111     }
112     std::locale::global(std::locale("C"));
113     {
114         std::wcmatch m;
115         const wchar_t s[] = L"m";
116         assert(!std::regex_search(s, m, std::wregex(L"[a[=M=]z]",
117                                                  std::regex_constants::extended)));
118         assert(m.size() == 0);
119     }
120 #endif // TEST_HAS_NO_WIDE_CHARACTERS
121 
122     return 0;
123 }
124