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 // <regex>
10
11 // template <class BidirectionalIterator, class Allocator, class charT,
12 // class traits>
13 // bool regex_match(BidirectionalIterator first, BidirectionalIterator last,
14 // match_results<BidirectionalIterator, Allocator>& m,
15 // const basic_regex<charT, traits>& e,
16 // regex_constants::match_flag_type flags
17 // = regex_constants::match_default);
18
19 // TODO: investigation needed
20 // TODO(netbsd): incomplete support for locales
21 // XFAIL: target={{.*}}-linux-gnu{{.*}}, netbsd, freebsd
22 // XFAIL: LIBCXX-AIX-FIXME
23 // REQUIRES: locale.cs_CZ.ISO8859-2
24
25 #include <regex>
26 #include <cassert>
27 #include "test_macros.h"
28 #include "test_iterators.h"
29
30 #include "platform_support.h" // locale name macros
31
main(int,char **)32 int main(int, char**)
33 {
34 std::locale::global(std::locale(LOCALE_cs_CZ_ISO8859_2));
35 {
36 std::cmatch m;
37 const char s[] = "m";
38 assert(std::regex_match(s, m,
39 std::regex("[a[=M=]z]", std::regex_constants::awk)));
40 assert(m.size() == 1);
41 assert(!m.prefix().matched);
42 assert(m.prefix().first == s);
43 assert(m.prefix().second == m[0].first);
44 assert(!m.suffix().matched);
45 assert(m.suffix().first == m[0].second);
46 assert(m.suffix().second == m[0].second);
47 assert((size_t)m.length(0) == std::char_traits<char>::length(s));
48 assert(m.position(0) == 0);
49 assert(m.str(0) == s);
50 }
51 {
52 std::cmatch m;
53 const char s[] = "Ch";
54 assert(std::regex_match(s, m, std::regex("[a[.ch.]z]",
55 std::regex_constants::awk | std::regex_constants::icase)));
56 assert(m.size() == 1);
57 assert(!m.prefix().matched);
58 assert(m.prefix().first == s);
59 assert(m.prefix().second == m[0].first);
60 assert(!m.suffix().matched);
61 assert(m.suffix().first == m[0].second);
62 assert(m.suffix().second == m[0].second);
63 assert((size_t)m.length(0) == std::char_traits<char>::length(s));
64 assert(m.position(0) == 0);
65 assert(m.str(0) == s);
66 }
67 std::locale::global(std::locale("C"));
68 {
69 std::cmatch m;
70 const char s[] = "m";
71 assert(!std::regex_match(s, m, std::regex("[a[=M=]z]",
72 std::regex_constants::awk)));
73 assert(m.size() == 0);
74 }
75
76 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
77 std::locale::global(std::locale(LOCALE_cs_CZ_ISO8859_2));
78 {
79 std::wcmatch m;
80 const wchar_t s[] = L"m";
81 assert(std::regex_match(s, m, std::wregex(L"[a[=M=]z]",
82 std::regex_constants::awk)));
83 assert(m.size() == 1);
84 assert(!m.prefix().matched);
85 assert(m.prefix().first == s);
86 assert(m.prefix().second == m[0].first);
87 assert(!m.suffix().matched);
88 assert(m.suffix().first == m[0].second);
89 assert(m.suffix().second == m[0].second);
90 assert((size_t)m.length(0) == std::char_traits<wchar_t>::length(s));
91 assert(m.position(0) == 0);
92 assert(m.str(0) == s);
93 }
94 {
95 std::wcmatch m;
96 const wchar_t s[] = L"Ch";
97 assert(std::regex_match(s, m, std::wregex(L"[a[.ch.]z]",
98 std::regex_constants::awk | std::regex_constants::icase)));
99 assert(m.size() == 1);
100 assert(!m.prefix().matched);
101 assert(m.prefix().first == s);
102 assert(m.prefix().second == m[0].first);
103 assert(!m.suffix().matched);
104 assert(m.suffix().first == m[0].second);
105 assert(m.suffix().second == m[0].second);
106 assert((size_t)m.length(0) == std::char_traits<wchar_t>::length(s));
107 assert(m.position(0) == 0);
108 assert(m.str(0) == s);
109 }
110 std::locale::global(std::locale("C"));
111 {
112 std::wcmatch m;
113 const wchar_t s[] = L"m";
114 assert(!std::regex_match(s, m, std::wregex(L"[a[=M=]z]",
115 std::regex_constants::awk)));
116 assert(m.size() == 0);
117 }
118 #endif // TEST_HAS_NO_WIDE_CHARACTERS
119 return 0;
120 }
121