1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // NetBSD does not support LC_COLLATE at the moment
11 // XFAIL: netbsd
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: linux-gnu
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()34 int main()
35 {
36     {
37         std::cmatch m;
38         const char s[] = "a";
39         assert(std::regex_search(s, m, std::regex("a", std::regex_constants::extended)));
40         assert(m.size() == 1);
41         assert(!m.empty());
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 == s+1);
48         assert(m.length(0) == 1);
49         assert(m.position(0) == 0);
50         assert(m.str(0) == "a");
51     }
52     {
53         std::cmatch m;
54         const char s[] = "ab";
55         assert(std::regex_search(s, m, std::regex("ab", std::regex_constants::extended)));
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 == s+2);
63         assert(m.length(0) == 2);
64         assert(m.position(0) == 0);
65         assert(m.str(0) == "ab");
66     }
67     {
68         std::cmatch m;
69         const char s[] = "ab";
70         assert(!std::regex_search(s, m, std::regex("ba", std::regex_constants::extended)));
71         assert(m.size() == 0);
72         assert(m.empty());
73     }
74     {
75         std::cmatch m;
76         const char s[] = "aab";
77         assert(std::regex_search(s, m, std::regex("ab", std::regex_constants::extended)));
78         assert(m.size() == 1);
79         assert(m.prefix().matched);
80         assert(m.prefix().first == s);
81         assert(m.prefix().second == m[0].first);
82         assert(!m.suffix().matched);
83         assert(m.suffix().first == m[0].second);
84         assert(m.suffix().second == s+3);
85         assert(m.length(0) == 2);
86         assert(m.position(0) == 1);
87         assert(m.str(0) == "ab");
88     }
89     {
90         std::cmatch m;
91         const char s[] = "aab";
92         assert(!std::regex_search(s, m, std::regex("ab", std::regex_constants::extended),
93                                             std::regex_constants::match_continuous));
94         assert(m.size() == 0);
95     }
96     {
97         std::cmatch m;
98         const char s[] = "abcd";
99         assert(std::regex_search(s, m, std::regex("bc", std::regex_constants::extended)));
100         assert(m.size() == 1);
101         assert(m.prefix().matched);
102         assert(m.prefix().first == s);
103         assert(m.prefix().second == m[0].first);
104         assert(m.suffix().matched);
105         assert(m.suffix().first == m[0].second);
106         assert(m.suffix().second == s+4);
107         assert(m.length(0) == 2);
108         assert(m.position(0) == 1);
109         assert(m.str(0) == "bc");
110     }
111     {
112         std::cmatch m;
113         const char s[] = "abbc";
114         assert(std::regex_search(s, m, std::regex("ab*c", std::regex_constants::extended)));
115         assert(m.size() == 1);
116         assert(!m.prefix().matched);
117         assert(m.prefix().first == s);
118         assert(m.prefix().second == m[0].first);
119         assert(!m.suffix().matched);
120         assert(m.suffix().first == m[0].second);
121         assert(m.suffix().second == s+4);
122         assert(m.length(0) == 4);
123         assert(m.position(0) == 0);
124         assert(m.str(0) == s);
125     }
126     {
127         std::cmatch m;
128         const char s[] = "ababc";
129         assert(std::regex_search(s, m, std::regex("(ab)*c", std::regex_constants::extended)));
130         assert(m.size() == 2);
131         assert(!m.prefix().matched);
132         assert(m.prefix().first == s);
133         assert(m.prefix().second == m[0].first);
134         assert(!m.suffix().matched);
135         assert(m.suffix().first == m[0].second);
136         assert(m.suffix().second == s+5);
137         assert(m.length(0) == 5);
138         assert(m.position(0) == 0);
139         assert(m.str(0) == s);
140         assert(m.length(1) == 2);
141         assert(m.position(1) == 2);
142         assert(m.str(1) == "ab");
143     }
144     {
145         std::cmatch m;
146         const char s[] = "abcdefghijk";
147         assert(std::regex_search(s, m, std::regex("cd((e)fg)hi",
148                                  std::regex_constants::extended)));
149         assert(m.size() == 3);
150         assert(m.prefix().matched);
151         assert(m.prefix().first == s);
152         assert(m.prefix().second == m[0].first);
153         assert(m.suffix().matched);
154         assert(m.suffix().first == m[0].second);
155         assert(m.suffix().second == s+std::regex_traits<char>::length(s));
156         assert(m.length(0) == 7);
157         assert(m.position(0) == 2);
158         assert(m.str(0) == "cdefghi");
159         assert(m.length(1) == 3);
160         assert(m.position(1) == 4);
161         assert(m.str(1) == "efg");
162         assert(m.length(2) == 1);
163         assert(m.position(2) == 4);
164         assert(m.str(2) == "e");
165     }
166     {
167         std::cmatch m;
168         const char s[] = "abc";
169         assert(std::regex_search(s, m, std::regex("^abc", std::regex_constants::extended)));
170         assert(m.size() == 1);
171         assert(!m.prefix().matched);
172         assert(m.prefix().first == s);
173         assert(m.prefix().second == m[0].first);
174         assert(!m.suffix().matched);
175         assert(m.suffix().first == m[0].second);
176         assert(m.suffix().second == s+3);
177         assert(m.length(0) == 3);
178         assert(m.position(0) == 0);
179         assert(m.str(0) == s);
180     }
181     {
182         std::cmatch m;
183         const char s[] = "abcd";
184         assert(std::regex_search(s, m, std::regex("^abc", std::regex_constants::extended)));
185         assert(m.size() == 1);
186         assert(!m.prefix().matched);
187         assert(m.prefix().first == s);
188         assert(m.prefix().second == m[0].first);
189         assert(m.suffix().matched);
190         assert(m.suffix().first == m[0].second);
191         assert(m.suffix().second == s+4);
192         assert(m.length(0) == 3);
193         assert(m.position(0) == 0);
194         assert(m.str(0) == "abc");
195     }
196     {
197         std::cmatch m;
198         const char s[] = "aabc";
199         assert(!std::regex_search(s, m, std::regex("^abc", std::regex_constants::extended)));
200         assert(m.size() == 0);
201     }
202     {
203         std::cmatch m;
204         const char s[] = "abc";
205         assert(std::regex_search(s, m, std::regex("abc$", std::regex_constants::extended)));
206         assert(m.size() == 1);
207         assert(!m.prefix().matched);
208         assert(m.prefix().first == s);
209         assert(m.prefix().second == m[0].first);
210         assert(!m.suffix().matched);
211         assert(m.suffix().first == m[0].second);
212         assert(m.suffix().second == s+3);
213         assert(m.length(0) == 3);
214         assert(m.position(0) == 0);
215         assert(m.str(0) == s);
216     }
217     {
218         std::cmatch m;
219         const char s[] = "efabc";
220         assert(std::regex_search(s, m, std::regex("abc$", std::regex_constants::extended)));
221         assert(m.size() == 1);
222         assert(m.prefix().matched);
223         assert(m.prefix().first == s);
224         assert(m.prefix().second == m[0].first);
225         assert(!m.suffix().matched);
226         assert(m.suffix().first == m[0].second);
227         assert(m.suffix().second == s+5);
228         assert(m.length(0) == 3);
229         assert(m.position(0) == 2);
230         assert(m.str(0) == s+2);
231     }
232     {
233         std::cmatch m;
234         const char s[] = "efabcg";
235         assert(!std::regex_search(s, m, std::regex("abc$", std::regex_constants::extended)));
236         assert(m.size() == 0);
237     }
238     {
239         std::cmatch m;
240         const char s[] = "abc";
241         assert(std::regex_search(s, m, std::regex("a.c", std::regex_constants::extended)));
242         assert(m.size() == 1);
243         assert(!m.prefix().matched);
244         assert(m.prefix().first == s);
245         assert(m.prefix().second == m[0].first);
246         assert(!m.suffix().matched);
247         assert(m.suffix().first == m[0].second);
248         assert(m.suffix().second == s+3);
249         assert(m.length(0) == 3);
250         assert(m.position(0) == 0);
251         assert(m.str(0) == s);
252     }
253     {
254         std::cmatch m;
255         const char s[] = "acc";
256         assert(std::regex_search(s, m, std::regex("a.c", std::regex_constants::extended)));
257         assert(m.size() == 1);
258         assert(!m.prefix().matched);
259         assert(m.prefix().first == s);
260         assert(m.prefix().second == m[0].first);
261         assert(!m.suffix().matched);
262         assert(m.suffix().first == m[0].second);
263         assert(m.suffix().second == s+3);
264         assert(m.length(0) == 3);
265         assert(m.position(0) == 0);
266         assert(m.str(0) == s);
267     }
268     {
269         std::cmatch m;
270         const char s[] = "acc";
271         assert(std::regex_search(s, m, std::regex("a.c", std::regex_constants::extended)));
272         assert(m.size() == 1);
273         assert(!m.prefix().matched);
274         assert(m.prefix().first == s);
275         assert(m.prefix().second == m[0].first);
276         assert(!m.suffix().matched);
277         assert(m.suffix().first == m[0].second);
278         assert(m.suffix().second == s+3);
279         assert(m.length(0) == 3);
280         assert(m.position(0) == 0);
281         assert(m.str(0) == s);
282     }
283     {
284         std::cmatch m;
285         const char s[] = "abcdef";
286         assert(std::regex_search(s, m, std::regex("(.*).*", std::regex_constants::extended)));
287         assert(m.size() == 2);
288         assert(!m.prefix().matched);
289         assert(m.prefix().first == s);
290         assert(m.prefix().second == m[0].first);
291         assert(!m.suffix().matched);
292         assert(m.suffix().first == m[0].second);
293         assert(m.suffix().second == s+6);
294         assert(m.length(0) == 6);
295         assert(m.position(0) == 0);
296         assert(m.str(0) == s);
297         assert(m.length(1) == 6);
298         assert(m.position(1) == 0);
299         assert(m.str(1) == s);
300     }
301     {
302         std::cmatch m;
303         const char s[] = "bc";
304         assert(std::regex_search(s, m, std::regex("(a*)*", std::regex_constants::extended)));
305         assert(m.size() == 2);
306         assert(!m.prefix().matched);
307         assert(m.prefix().first == s);
308         assert(m.prefix().second == m[0].first);
309         assert(m.suffix().matched);
310         assert(m.suffix().first == m[0].second);
311         assert(m.suffix().second == s+2);
312         assert(m.length(0) == 0);
313         assert(m.position(0) == 0);
314         assert(m.str(0) == "");
315         assert(m.length(1) == 0);
316         assert(m.position(1) == 0);
317         assert(m.str(1) == "");
318     }
319     {
320         std::cmatch m;
321         const char s[] = "abbc";
322         assert(!std::regex_search(s, m, std::regex("ab{3,5}c", std::regex_constants::extended)));
323         assert(m.size() == 0);
324     }
325     {
326         std::cmatch m;
327         const char s[] = "abbbc";
328         assert(std::regex_search(s, m, std::regex("ab{3,5}c", std::regex_constants::extended)));
329         assert(m.size() == 1);
330         assert(!m.prefix().matched);
331         assert(m.prefix().first == s);
332         assert(m.prefix().second == m[0].first);
333         assert(!m.suffix().matched);
334         assert(m.suffix().first == m[0].second);
335         assert(m.suffix().second == m[0].second);
336         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
337         assert(m.position(0) == 0);
338         assert(m.str(0) == s);
339     }
340     {
341         std::cmatch m;
342         const char s[] = "abbbbc";
343         assert(std::regex_search(s, m, std::regex("ab{3,5}c", std::regex_constants::extended)));
344         assert(m.size() == 1);
345         assert(!m.prefix().matched);
346         assert(m.prefix().first == s);
347         assert(m.prefix().second == m[0].first);
348         assert(!m.suffix().matched);
349         assert(m.suffix().first == m[0].second);
350         assert(m.suffix().second == m[0].second);
351         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
352         assert(m.position(0) == 0);
353         assert(m.str(0) == s);
354     }
355     {
356         std::cmatch m;
357         const char s[] = "abbbbbc";
358         assert(std::regex_search(s, m, std::regex("ab{3,5}c", std::regex_constants::extended)));
359         assert(m.size() == 1);
360         assert(!m.prefix().matched);
361         assert(m.prefix().first == s);
362         assert(m.prefix().second == m[0].first);
363         assert(!m.suffix().matched);
364         assert(m.suffix().first == m[0].second);
365         assert(m.suffix().second == m[0].second);
366         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
367         assert(m.position(0) == 0);
368         assert(m.str(0) == s);
369     }
370     {
371         std::cmatch m;
372         const char s[] = "adefc";
373         assert(!std::regex_search(s, m, std::regex("ab{3,5}c", std::regex_constants::extended)));
374         assert(m.size() == 0);
375     }
376     {
377         std::cmatch m;
378         const char s[] = "abbbbbbc";
379         assert(!std::regex_search(s, m, std::regex("ab{3,5}c", std::regex_constants::extended)));
380         assert(m.size() == 0);
381     }
382     {
383         std::cmatch m;
384         const char s[] = "adec";
385         assert(!std::regex_search(s, m, std::regex("a.{3,5}c", std::regex_constants::extended)));
386         assert(m.size() == 0);
387     }
388     {
389         std::cmatch m;
390         const char s[] = "adefc";
391         assert(std::regex_search(s, m, std::regex("a.{3,5}c", std::regex_constants::extended)));
392         assert(m.size() == 1);
393         assert(!m.prefix().matched);
394         assert(m.prefix().first == s);
395         assert(m.prefix().second == m[0].first);
396         assert(!m.suffix().matched);
397         assert(m.suffix().first == m[0].second);
398         assert(m.suffix().second == m[0].second);
399         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
400         assert(m.position(0) == 0);
401         assert(m.str(0) == s);
402     }
403     {
404         std::cmatch m;
405         const char s[] = "adefgc";
406         assert(std::regex_search(s, m, std::regex("a.{3,5}c", std::regex_constants::extended)));
407         assert(m.size() == 1);
408         assert(!m.prefix().matched);
409         assert(m.prefix().first == s);
410         assert(m.prefix().second == m[0].first);
411         assert(!m.suffix().matched);
412         assert(m.suffix().first == m[0].second);
413         assert(m.suffix().second == m[0].second);
414         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
415         assert(m.position(0) == 0);
416         assert(m.str(0) == s);
417     }
418     {
419         std::cmatch m;
420         const char s[] = "adefghc";
421         assert(std::regex_search(s, m, std::regex("a.{3,5}c", std::regex_constants::extended)));
422         assert(m.size() == 1);
423         assert(!m.prefix().matched);
424         assert(m.prefix().first == s);
425         assert(m.prefix().second == m[0].first);
426         assert(!m.suffix().matched);
427         assert(m.suffix().first == m[0].second);
428         assert(m.suffix().second == m[0].second);
429         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
430         assert(m.position(0) == 0);
431         assert(m.str(0) == s);
432     }
433     {
434         std::cmatch m;
435         const char s[] = "adefghic";
436         assert(!std::regex_search(s, m, std::regex("a.{3,5}c", std::regex_constants::extended)));
437         assert(m.size() == 0);
438     }
439     {
440         std::cmatch m;
441         const char s[] = "tournament";
442         assert(std::regex_search(s, m, std::regex("tour|to|tournament",
443                                               std::regex_constants::extended)));
444         assert(m.size() == 1);
445         assert(!m.prefix().matched);
446         assert(m.prefix().first == s);
447         assert(m.prefix().second == m[0].first);
448         assert(!m.suffix().matched);
449         assert(m.suffix().first == m[0].second);
450         assert(m.suffix().second == m[0].second);
451         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
452         assert(m.position(0) == 0);
453         assert(m.str(0) == s);
454     }
455     {
456         std::cmatch m;
457         const char s[] = "tournamenttotour";
458         assert(std::regex_search(s, m, std::regex("(tour|to|tournament)+",
459                std::regex_constants::extended | std::regex_constants::nosubs)));
460         assert(m.size() == 1);
461         assert(!m.prefix().matched);
462         assert(m.prefix().first == s);
463         assert(m.prefix().second == m[0].first);
464         assert(!m.suffix().matched);
465         assert(m.suffix().first == m[0].second);
466         assert(m.suffix().second == m[0].second);
467         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
468         assert(m.position(0) == 0);
469         assert(m.str(0) == s);
470     }
471     {
472         std::cmatch m;
473         const char s[] = "ttotour";
474         assert(std::regex_search(s, m, std::regex("(tour|to|t)+",
475                                               std::regex_constants::extended)));
476         assert(m.size() == 2);
477         assert(!m.prefix().matched);
478         assert(m.prefix().first == s);
479         assert(m.prefix().second == m[0].first);
480         assert(!m.suffix().matched);
481         assert(m.suffix().first == m[0].second);
482         assert(m.suffix().second == m[0].second);
483         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
484         assert(m.position(0) == 0);
485         assert(m.str(0) == s);
486         assert(m.length(1) == 4);
487         assert(m.position(1) == 3);
488         assert(m.str(1) == "tour");
489     }
490     {
491         std::cmatch m;
492         const char s[] = "-ab,ab-";
493         assert(!std::regex_search(s, m, std::regex("-(.*),\1-", std::regex_constants::extended)));
494         assert(m.size() == 0);
495     }
496     {
497         std::cmatch m;
498         const char s[] = "-ab,ab-";
499         assert(std::regex_search(s, m, std::regex("-.*,.*-", std::regex_constants::extended)));
500         assert(m.size() == 1);
501         assert(!m.prefix().matched);
502         assert(m.prefix().first == s);
503         assert(m.prefix().second == m[0].first);
504         assert(!m.suffix().matched);
505         assert(m.suffix().first == m[0].second);
506         assert(m.suffix().second == m[0].second);
507         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
508         assert(m.position(0) == 0);
509         assert(m.str(0) == s);
510     }
511     {
512         std::cmatch m;
513         const char s[] = "a";
514         assert(std::regex_search(s, m, std::regex("^[a]$",
515                                                  std::regex_constants::extended)));
516         assert(m.size() == 1);
517         assert(!m.prefix().matched);
518         assert(m.prefix().first == s);
519         assert(m.prefix().second == m[0].first);
520         assert(!m.suffix().matched);
521         assert(m.suffix().first == m[0].second);
522         assert(m.suffix().second == m[0].second);
523         assert(m.length(0) == 1);
524         assert(m.position(0) == 0);
525         assert(m.str(0) == "a");
526     }
527     {
528         std::cmatch m;
529         const char s[] = "a";
530         assert(std::regex_search(s, m, std::regex("^[ab]$",
531                                                  std::regex_constants::extended)));
532         assert(m.size() == 1);
533         assert(!m.prefix().matched);
534         assert(m.prefix().first == s);
535         assert(m.prefix().second == m[0].first);
536         assert(!m.suffix().matched);
537         assert(m.suffix().first == m[0].second);
538         assert(m.suffix().second == m[0].second);
539         assert(m.length(0) == 1);
540         assert(m.position(0) == 0);
541         assert(m.str(0) == "a");
542     }
543     {
544         std::cmatch m;
545         const char s[] = "c";
546         assert(std::regex_search(s, m, std::regex("^[a-f]$",
547                                                  std::regex_constants::extended)));
548         assert(m.size() == 1);
549         assert(!m.prefix().matched);
550         assert(m.prefix().first == s);
551         assert(m.prefix().second == m[0].first);
552         assert(!m.suffix().matched);
553         assert(m.suffix().first == m[0].second);
554         assert(m.suffix().second == m[0].second);
555         assert(m.length(0) == 1);
556         assert(m.position(0) == 0);
557         assert(m.str(0) == s);
558     }
559     {
560         std::cmatch m;
561         const char s[] = "g";
562         assert(!std::regex_search(s, m, std::regex("^[a-f]$",
563                                                  std::regex_constants::extended)));
564         assert(m.size() == 0);
565     }
566     {
567         std::cmatch m;
568         const char s[] = "Iraqi";
569         assert(std::regex_search(s, m, std::regex("q[^u]",
570                                                  std::regex_constants::extended)));
571         assert(m.size() == 1);
572         assert(m.prefix().matched);
573         assert(m.prefix().first == s);
574         assert(m.prefix().second == m[0].first);
575         assert(!m.suffix().matched);
576         assert(m.suffix().first == m[0].second);
577         assert(m.suffix().second == m[0].second);
578         assert(m.length(0) == 2);
579         assert(m.position(0) == 3);
580         assert(m.str(0) == "qi");
581     }
582     {
583         std::cmatch m;
584         const char s[] = "Iraq";
585         assert(!std::regex_search(s, m, std::regex("q[^u]",
586                                                  std::regex_constants::extended)));
587         assert(m.size() == 0);
588     }
589     {
590         std::cmatch m;
591         const char s[] = "AmB";
592         assert(std::regex_search(s, m, std::regex("A[[:lower:]]B",
593                                                  std::regex_constants::extended)));
594         assert(m.size() == 1);
595         assert(!m.prefix().matched);
596         assert(m.prefix().first == s);
597         assert(m.prefix().second == m[0].first);
598         assert(!m.suffix().matched);
599         assert(m.suffix().first == m[0].second);
600         assert(m.suffix().second == m[0].second);
601         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
602         assert(m.position(0) == 0);
603         assert(m.str(0) == s);
604     }
605     {
606         std::cmatch m;
607         const char s[] = "AMB";
608         assert(!std::regex_search(s, m, std::regex("A[[:lower:]]B",
609                                                  std::regex_constants::extended)));
610         assert(m.size() == 0);
611     }
612     {
613         std::cmatch m;
614         const char s[] = "AMB";
615         assert(std::regex_search(s, m, std::regex("A[^[:lower:]]B",
616                                                  std::regex_constants::extended)));
617         assert(m.size() == 1);
618         assert(!m.prefix().matched);
619         assert(m.prefix().first == s);
620         assert(m.prefix().second == m[0].first);
621         assert(!m.suffix().matched);
622         assert(m.suffix().first == m[0].second);
623         assert(m.suffix().second == m[0].second);
624         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
625         assert(m.position(0) == 0);
626         assert(m.str(0) == s);
627     }
628     {
629         std::cmatch m;
630         const char s[] = "AmB";
631         assert(!std::regex_search(s, m, std::regex("A[^[:lower:]]B",
632                                                  std::regex_constants::extended)));
633         assert(m.size() == 0);
634     }
635     {
636         std::cmatch m;
637         const char s[] = "A5B";
638         assert(!std::regex_search(s, m, std::regex("A[^[:lower:]0-9]B",
639                                                  std::regex_constants::extended)));
640         assert(m.size() == 0);
641     }
642     {
643         std::cmatch m;
644         const char s[] = "A?B";
645         assert(std::regex_search(s, m, std::regex("A[^[:lower:]0-9]B",
646                                                  std::regex_constants::extended)));
647         assert(m.size() == 1);
648         assert(!m.prefix().matched);
649         assert(m.prefix().first == s);
650         assert(m.prefix().second == m[0].first);
651         assert(!m.suffix().matched);
652         assert(m.suffix().first == m[0].second);
653         assert(m.suffix().second == m[0].second);
654         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
655         assert(m.position(0) == 0);
656         assert(m.str(0) == s);
657     }
658     {
659         std::cmatch m;
660         const char s[] = "-";
661         assert(std::regex_search(s, m, std::regex("[a[.hyphen.]z]",
662                                                  std::regex_constants::extended)));
663         assert(m.size() == 1);
664         assert(!m.prefix().matched);
665         assert(m.prefix().first == s);
666         assert(m.prefix().second == m[0].first);
667         assert(!m.suffix().matched);
668         assert(m.suffix().first == m[0].second);
669         assert(m.suffix().second == m[0].second);
670         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
671         assert(m.position(0) == 0);
672         assert(m.str(0) == s);
673     }
674     {
675         std::cmatch m;
676         const char s[] = "z";
677         assert(std::regex_search(s, m, std::regex("[a[.hyphen.]z]",
678                                                  std::regex_constants::extended)));
679         assert(m.size() == 1);
680         assert(!m.prefix().matched);
681         assert(m.prefix().first == s);
682         assert(m.prefix().second == m[0].first);
683         assert(!m.suffix().matched);
684         assert(m.suffix().first == m[0].second);
685         assert(m.suffix().second == m[0].second);
686         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
687         assert(m.position(0) == 0);
688         assert(m.str(0) == s);
689     }
690     {
691         std::cmatch m;
692         const char s[] = "m";
693         assert(!std::regex_search(s, m, std::regex("[a[.hyphen.]z]",
694                                                  std::regex_constants::extended)));
695         assert(m.size() == 0);
696     }
697     std::locale::global(std::locale(LOCALE_cs_CZ_ISO8859_2));
698     {
699         std::cmatch m;
700         const char s[] = "m";
701         assert(std::regex_search(s, m, std::regex("[a[=M=]z]",
702                                                  std::regex_constants::extended)));
703         assert(m.size() == 1);
704         assert(!m.prefix().matched);
705         assert(m.prefix().first == s);
706         assert(m.prefix().second == m[0].first);
707         assert(!m.suffix().matched);
708         assert(m.suffix().first == m[0].second);
709         assert(m.suffix().second == m[0].second);
710         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
711         assert(m.position(0) == 0);
712         assert(m.str(0) == s);
713     }
714     {
715         std::cmatch m;
716         const char s[] = "Ch";
717         assert(std::regex_search(s, m, std::regex("[a[.ch.]z]",
718                    std::regex_constants::extended | std::regex_constants::icase)));
719         assert(m.size() == 1);
720         assert(!m.prefix().matched);
721         assert(m.prefix().first == s);
722         assert(m.prefix().second == m[0].first);
723         assert(!m.suffix().matched);
724         assert(m.suffix().first == m[0].second);
725         assert(m.suffix().second == m[0].second);
726         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
727         assert(m.position(0) == 0);
728         assert(m.str(0) == s);
729     }
730     std::locale::global(std::locale("C"));
731     {
732         std::cmatch m;
733         const char s[] = "m";
734         assert(!std::regex_search(s, m, std::regex("[a[=M=]z]",
735                                                  std::regex_constants::extended)));
736         assert(m.size() == 0);
737     }
738     {
739         std::cmatch m;
740         const char s[] = "01a45cef9";
741         assert(std::regex_search(s, m, std::regex("[ace1-9]*",
742                                                  std::regex_constants::extended)));
743         assert(m.size() == 1);
744         assert(!m.prefix().matched);
745         assert(m.prefix().first == s);
746         assert(m.prefix().second == m[0].first);
747         assert(m.suffix().matched);
748         assert(m.suffix().first == m[0].second);
749         assert(m.suffix().second == s + std::char_traits<char>::length(s));
750         assert(m.length(0) == 0);
751         assert(m.position(0) == 0);
752         assert(m.str(0) == "");
753     }
754     {
755         std::cmatch m;
756         const char s[] = "01a45cef9";
757         assert(std::regex_search(s, m, std::regex("[ace1-9]+",
758                                                  std::regex_constants::extended)));
759         assert(m.size() == 1);
760         assert(m.prefix().matched);
761         assert(m.prefix().first == s);
762         assert(m.prefix().second == m[0].first);
763         assert(m.suffix().matched);
764         assert(m.suffix().first == m[0].second);
765         assert(m.suffix().second == s + std::char_traits<char>::length(s));
766         assert(m.length(0) == 6);
767         assert(m.position(0) == 1);
768         assert(m.str(0) == "1a45ce");
769     }
770     {
771         const char r[] = "^[-+]?[0-9]+[CF]$";
772         std::ptrdiff_t sr = std::char_traits<char>::length(r);
773         typedef forward_iterator<const char*> FI;
774         typedef bidirectional_iterator<const char*> BI;
775         std::regex regex(FI(r), FI(r+sr), std::regex_constants::extended);
776         std::match_results<BI> m;
777         const char s[] = "-40C";
778         std::ptrdiff_t ss = std::char_traits<char>::length(s);
779         assert(std::regex_search(BI(s), BI(s+ss), m, regex));
780         assert(m.size() == 1);
781         assert(!m.prefix().matched);
782         assert(m.prefix().first == BI(s));
783         assert(m.prefix().second == m[0].first);
784         assert(!m.suffix().matched);
785         assert(m.suffix().first == m[0].second);
786         assert(m.suffix().second == m[0].second);
787         assert(m.length(0) == 4);
788         assert(m.position(0) == 0);
789         assert(m.str(0) == s);
790     }
791 
792     {
793         std::wcmatch m;
794         const wchar_t s[] = L"a";
795         assert(std::regex_search(s, m, std::wregex(L"a", std::regex_constants::extended)));
796         assert(m.size() == 1);
797         assert(!m.empty());
798         assert(!m.prefix().matched);
799         assert(m.prefix().first == s);
800         assert(m.prefix().second == m[0].first);
801         assert(!m.suffix().matched);
802         assert(m.suffix().first == m[0].second);
803         assert(m.suffix().second == s+1);
804         assert(m.length(0) == 1);
805         assert(m.position(0) == 0);
806         assert(m.str(0) == L"a");
807     }
808     {
809         std::wcmatch m;
810         const wchar_t s[] = L"ab";
811         assert(std::regex_search(s, m, std::wregex(L"ab", std::regex_constants::extended)));
812         assert(m.size() == 1);
813         assert(!m.prefix().matched);
814         assert(m.prefix().first == s);
815         assert(m.prefix().second == m[0].first);
816         assert(!m.suffix().matched);
817         assert(m.suffix().first == m[0].second);
818         assert(m.suffix().second == s+2);
819         assert(m.length(0) == 2);
820         assert(m.position(0) == 0);
821         assert(m.str(0) == L"ab");
822     }
823     {
824         std::wcmatch m;
825         const wchar_t s[] = L"ab";
826         assert(!std::regex_search(s, m, std::wregex(L"ba", std::regex_constants::extended)));
827         assert(m.size() == 0);
828         assert(m.empty());
829     }
830     {
831         std::wcmatch m;
832         const wchar_t s[] = L"aab";
833         assert(std::regex_search(s, m, std::wregex(L"ab", std::regex_constants::extended)));
834         assert(m.size() == 1);
835         assert(m.prefix().matched);
836         assert(m.prefix().first == s);
837         assert(m.prefix().second == m[0].first);
838         assert(!m.suffix().matched);
839         assert(m.suffix().first == m[0].second);
840         assert(m.suffix().second == s+3);
841         assert(m.length(0) == 2);
842         assert(m.position(0) == 1);
843         assert(m.str(0) == L"ab");
844     }
845     {
846         std::wcmatch m;
847         const wchar_t s[] = L"aab";
848         assert(!std::regex_search(s, m, std::wregex(L"ab", std::regex_constants::extended),
849                                             std::regex_constants::match_continuous));
850         assert(m.size() == 0);
851     }
852     {
853         std::wcmatch m;
854         const wchar_t s[] = L"abcd";
855         assert(std::regex_search(s, m, std::wregex(L"bc", std::regex_constants::extended)));
856         assert(m.size() == 1);
857         assert(m.prefix().matched);
858         assert(m.prefix().first == s);
859         assert(m.prefix().second == m[0].first);
860         assert(m.suffix().matched);
861         assert(m.suffix().first == m[0].second);
862         assert(m.suffix().second == s+4);
863         assert(m.length(0) == 2);
864         assert(m.position(0) == 1);
865         assert(m.str(0) == L"bc");
866     }
867     {
868         std::wcmatch m;
869         const wchar_t s[] = L"abbc";
870         assert(std::regex_search(s, m, std::wregex(L"ab*c", std::regex_constants::extended)));
871         assert(m.size() == 1);
872         assert(!m.prefix().matched);
873         assert(m.prefix().first == s);
874         assert(m.prefix().second == m[0].first);
875         assert(!m.suffix().matched);
876         assert(m.suffix().first == m[0].second);
877         assert(m.suffix().second == s+4);
878         assert(m.length(0) == 4);
879         assert(m.position(0) == 0);
880         assert(m.str(0) == s);
881     }
882     {
883         std::wcmatch m;
884         const wchar_t s[] = L"ababc";
885         assert(std::regex_search(s, m, std::wregex(L"(ab)*c", std::regex_constants::extended)));
886         assert(m.size() == 2);
887         assert(!m.prefix().matched);
888         assert(m.prefix().first == s);
889         assert(m.prefix().second == m[0].first);
890         assert(!m.suffix().matched);
891         assert(m.suffix().first == m[0].second);
892         assert(m.suffix().second == s+5);
893         assert(m.length(0) == 5);
894         assert(m.position(0) == 0);
895         assert(m.str(0) == s);
896         assert(m.length(1) == 2);
897         assert(m.position(1) == 2);
898         assert(m.str(1) == L"ab");
899     }
900     {
901         std::wcmatch m;
902         const wchar_t s[] = L"abcdefghijk";
903         assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi",
904                                  std::regex_constants::extended)));
905         assert(m.size() == 3);
906         assert(m.prefix().matched);
907         assert(m.prefix().first == s);
908         assert(m.prefix().second == m[0].first);
909         assert(m.suffix().matched);
910         assert(m.suffix().first == m[0].second);
911         assert(m.suffix().second == s+std::regex_traits<wchar_t>::length(s));
912         assert(m.length(0) == 7);
913         assert(m.position(0) == 2);
914         assert(m.str(0) == L"cdefghi");
915         assert(m.length(1) == 3);
916         assert(m.position(1) == 4);
917         assert(m.str(1) == L"efg");
918         assert(m.length(2) == 1);
919         assert(m.position(2) == 4);
920         assert(m.str(2) == L"e");
921     }
922     {
923         std::wcmatch m;
924         const wchar_t s[] = L"abc";
925         assert(std::regex_search(s, m, std::wregex(L"^abc", std::regex_constants::extended)));
926         assert(m.size() == 1);
927         assert(!m.prefix().matched);
928         assert(m.prefix().first == s);
929         assert(m.prefix().second == m[0].first);
930         assert(!m.suffix().matched);
931         assert(m.suffix().first == m[0].second);
932         assert(m.suffix().second == s+3);
933         assert(m.length(0) == 3);
934         assert(m.position(0) == 0);
935         assert(m.str(0) == s);
936     }
937     {
938         std::wcmatch m;
939         const wchar_t s[] = L"abcd";
940         assert(std::regex_search(s, m, std::wregex(L"^abc", std::regex_constants::extended)));
941         assert(m.size() == 1);
942         assert(!m.prefix().matched);
943         assert(m.prefix().first == s);
944         assert(m.prefix().second == m[0].first);
945         assert(m.suffix().matched);
946         assert(m.suffix().first == m[0].second);
947         assert(m.suffix().second == s+4);
948         assert(m.length(0) == 3);
949         assert(m.position(0) == 0);
950         assert(m.str(0) == L"abc");
951     }
952     {
953         std::wcmatch m;
954         const wchar_t s[] = L"aabc";
955         assert(!std::regex_search(s, m, std::wregex(L"^abc", std::regex_constants::extended)));
956         assert(m.size() == 0);
957     }
958     {
959         std::wcmatch m;
960         const wchar_t s[] = L"abc";
961         assert(std::regex_search(s, m, std::wregex(L"abc$", std::regex_constants::extended)));
962         assert(m.size() == 1);
963         assert(!m.prefix().matched);
964         assert(m.prefix().first == s);
965         assert(m.prefix().second == m[0].first);
966         assert(!m.suffix().matched);
967         assert(m.suffix().first == m[0].second);
968         assert(m.suffix().second == s+3);
969         assert(m.length(0) == 3);
970         assert(m.position(0) == 0);
971         assert(m.str(0) == s);
972     }
973     {
974         std::wcmatch m;
975         const wchar_t s[] = L"efabc";
976         assert(std::regex_search(s, m, std::wregex(L"abc$", std::regex_constants::extended)));
977         assert(m.size() == 1);
978         assert(m.prefix().matched);
979         assert(m.prefix().first == s);
980         assert(m.prefix().second == m[0].first);
981         assert(!m.suffix().matched);
982         assert(m.suffix().first == m[0].second);
983         assert(m.suffix().second == s+5);
984         assert(m.length(0) == 3);
985         assert(m.position(0) == 2);
986         assert(m.str(0) == s+2);
987     }
988     {
989         std::wcmatch m;
990         const wchar_t s[] = L"efabcg";
991         assert(!std::regex_search(s, m, std::wregex(L"abc$", std::regex_constants::extended)));
992         assert(m.size() == 0);
993     }
994     {
995         std::wcmatch m;
996         const wchar_t s[] = L"abc";
997         assert(std::regex_search(s, m, std::wregex(L"a.c", std::regex_constants::extended)));
998         assert(m.size() == 1);
999         assert(!m.prefix().matched);
1000         assert(m.prefix().first == s);
1001         assert(m.prefix().second == m[0].first);
1002         assert(!m.suffix().matched);
1003         assert(m.suffix().first == m[0].second);
1004         assert(m.suffix().second == s+3);
1005         assert(m.length(0) == 3);
1006         assert(m.position(0) == 0);
1007         assert(m.str(0) == s);
1008     }
1009     {
1010         std::wcmatch m;
1011         const wchar_t s[] = L"acc";
1012         assert(std::regex_search(s, m, std::wregex(L"a.c", std::regex_constants::extended)));
1013         assert(m.size() == 1);
1014         assert(!m.prefix().matched);
1015         assert(m.prefix().first == s);
1016         assert(m.prefix().second == m[0].first);
1017         assert(!m.suffix().matched);
1018         assert(m.suffix().first == m[0].second);
1019         assert(m.suffix().second == s+3);
1020         assert(m.length(0) == 3);
1021         assert(m.position(0) == 0);
1022         assert(m.str(0) == s);
1023     }
1024     {
1025         std::wcmatch m;
1026         const wchar_t s[] = L"acc";
1027         assert(std::regex_search(s, m, std::wregex(L"a.c", std::regex_constants::extended)));
1028         assert(m.size() == 1);
1029         assert(!m.prefix().matched);
1030         assert(m.prefix().first == s);
1031         assert(m.prefix().second == m[0].first);
1032         assert(!m.suffix().matched);
1033         assert(m.suffix().first == m[0].second);
1034         assert(m.suffix().second == s+3);
1035         assert(m.length(0) == 3);
1036         assert(m.position(0) == 0);
1037         assert(m.str(0) == s);
1038     }
1039     {
1040         std::wcmatch m;
1041         const wchar_t s[] = L"abcdef";
1042         assert(std::regex_search(s, m, std::wregex(L"(.*).*", std::regex_constants::extended)));
1043         assert(m.size() == 2);
1044         assert(!m.prefix().matched);
1045         assert(m.prefix().first == s);
1046         assert(m.prefix().second == m[0].first);
1047         assert(!m.suffix().matched);
1048         assert(m.suffix().first == m[0].second);
1049         assert(m.suffix().second == s+6);
1050         assert(m.length(0) == 6);
1051         assert(m.position(0) == 0);
1052         assert(m.str(0) == s);
1053         assert(m.length(1) == 6);
1054         assert(m.position(1) == 0);
1055         assert(m.str(1) == s);
1056     }
1057     {
1058         std::wcmatch m;
1059         const wchar_t s[] = L"bc";
1060         assert(std::regex_search(s, m, std::wregex(L"(a*)*", std::regex_constants::extended)));
1061         assert(m.size() == 2);
1062         assert(!m.prefix().matched);
1063         assert(m.prefix().first == s);
1064         assert(m.prefix().second == m[0].first);
1065         assert(m.suffix().matched);
1066         assert(m.suffix().first == m[0].second);
1067         assert(m.suffix().second == s+2);
1068         assert(m.length(0) == 0);
1069         assert(m.position(0) == 0);
1070         assert(m.str(0) == L"");
1071         assert(m.length(1) == 0);
1072         assert(m.position(1) == 0);
1073         assert(m.str(1) == L"");
1074     }
1075     {
1076         std::wcmatch m;
1077         const wchar_t s[] = L"abbc";
1078         assert(!std::regex_search(s, m, std::wregex(L"ab{3,5}c", std::regex_constants::extended)));
1079         assert(m.size() == 0);
1080     }
1081     {
1082         std::wcmatch m;
1083         const wchar_t s[] = L"abbbc";
1084         assert(std::regex_search(s, m, std::wregex(L"ab{3,5}c", std::regex_constants::extended)));
1085         assert(m.size() == 1);
1086         assert(!m.prefix().matched);
1087         assert(m.prefix().first == s);
1088         assert(m.prefix().second == m[0].first);
1089         assert(!m.suffix().matched);
1090         assert(m.suffix().first == m[0].second);
1091         assert(m.suffix().second == m[0].second);
1092         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1093         assert(m.position(0) == 0);
1094         assert(m.str(0) == s);
1095     }
1096     {
1097         std::wcmatch m;
1098         const wchar_t s[] = L"abbbbc";
1099         assert(std::regex_search(s, m, std::wregex(L"ab{3,5}c", std::regex_constants::extended)));
1100         assert(m.size() == 1);
1101         assert(!m.prefix().matched);
1102         assert(m.prefix().first == s);
1103         assert(m.prefix().second == m[0].first);
1104         assert(!m.suffix().matched);
1105         assert(m.suffix().first == m[0].second);
1106         assert(m.suffix().second == m[0].second);
1107         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1108         assert(m.position(0) == 0);
1109         assert(m.str(0) == s);
1110     }
1111     {
1112         std::wcmatch m;
1113         const wchar_t s[] = L"abbbbbc";
1114         assert(std::regex_search(s, m, std::wregex(L"ab{3,5}c", std::regex_constants::extended)));
1115         assert(m.size() == 1);
1116         assert(!m.prefix().matched);
1117         assert(m.prefix().first == s);
1118         assert(m.prefix().second == m[0].first);
1119         assert(!m.suffix().matched);
1120         assert(m.suffix().first == m[0].second);
1121         assert(m.suffix().second == m[0].second);
1122         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1123         assert(m.position(0) == 0);
1124         assert(m.str(0) == s);
1125     }
1126     {
1127         std::wcmatch m;
1128         const wchar_t s[] = L"adefc";
1129         assert(!std::regex_search(s, m, std::wregex(L"ab{3,5}c", std::regex_constants::extended)));
1130         assert(m.size() == 0);
1131     }
1132     {
1133         std::wcmatch m;
1134         const wchar_t s[] = L"abbbbbbc";
1135         assert(!std::regex_search(s, m, std::wregex(L"ab{3,5}c", std::regex_constants::extended)));
1136         assert(m.size() == 0);
1137     }
1138     {
1139         std::wcmatch m;
1140         const wchar_t s[] = L"adec";
1141         assert(!std::regex_search(s, m, std::wregex(L"a.{3,5}c", std::regex_constants::extended)));
1142         assert(m.size() == 0);
1143     }
1144     {
1145         std::wcmatch m;
1146         const wchar_t s[] = L"adefc";
1147         assert(std::regex_search(s, m, std::wregex(L"a.{3,5}c", std::regex_constants::extended)));
1148         assert(m.size() == 1);
1149         assert(!m.prefix().matched);
1150         assert(m.prefix().first == s);
1151         assert(m.prefix().second == m[0].first);
1152         assert(!m.suffix().matched);
1153         assert(m.suffix().first == m[0].second);
1154         assert(m.suffix().second == m[0].second);
1155         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1156         assert(m.position(0) == 0);
1157         assert(m.str(0) == s);
1158     }
1159     {
1160         std::wcmatch m;
1161         const wchar_t s[] = L"adefgc";
1162         assert(std::regex_search(s, m, std::wregex(L"a.{3,5}c", std::regex_constants::extended)));
1163         assert(m.size() == 1);
1164         assert(!m.prefix().matched);
1165         assert(m.prefix().first == s);
1166         assert(m.prefix().second == m[0].first);
1167         assert(!m.suffix().matched);
1168         assert(m.suffix().first == m[0].second);
1169         assert(m.suffix().second == m[0].second);
1170         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1171         assert(m.position(0) == 0);
1172         assert(m.str(0) == s);
1173     }
1174     {
1175         std::wcmatch m;
1176         const wchar_t s[] = L"adefghc";
1177         assert(std::regex_search(s, m, std::wregex(L"a.{3,5}c", std::regex_constants::extended)));
1178         assert(m.size() == 1);
1179         assert(!m.prefix().matched);
1180         assert(m.prefix().first == s);
1181         assert(m.prefix().second == m[0].first);
1182         assert(!m.suffix().matched);
1183         assert(m.suffix().first == m[0].second);
1184         assert(m.suffix().second == m[0].second);
1185         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1186         assert(m.position(0) == 0);
1187         assert(m.str(0) == s);
1188     }
1189     {
1190         std::wcmatch m;
1191         const wchar_t s[] = L"adefghic";
1192         assert(!std::regex_search(s, m, std::wregex(L"a.{3,5}c", std::regex_constants::extended)));
1193         assert(m.size() == 0);
1194     }
1195     {
1196         std::wcmatch m;
1197         const wchar_t s[] = L"tournament";
1198         assert(std::regex_search(s, m, std::wregex(L"tour|to|tournament",
1199                                               std::regex_constants::extended)));
1200         assert(m.size() == 1);
1201         assert(!m.prefix().matched);
1202         assert(m.prefix().first == s);
1203         assert(m.prefix().second == m[0].first);
1204         assert(!m.suffix().matched);
1205         assert(m.suffix().first == m[0].second);
1206         assert(m.suffix().second == m[0].second);
1207         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1208         assert(m.position(0) == 0);
1209         assert(m.str(0) == s);
1210     }
1211     {
1212         std::wcmatch m;
1213         const wchar_t s[] = L"tournamenttotour";
1214         assert(std::regex_search(s, m, std::wregex(L"(tour|to|tournament)+",
1215                std::regex_constants::extended | std::regex_constants::nosubs)));
1216         assert(m.size() == 1);
1217         assert(!m.prefix().matched);
1218         assert(m.prefix().first == s);
1219         assert(m.prefix().second == m[0].first);
1220         assert(!m.suffix().matched);
1221         assert(m.suffix().first == m[0].second);
1222         assert(m.suffix().second == m[0].second);
1223         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1224         assert(m.position(0) == 0);
1225         assert(m.str(0) == s);
1226     }
1227     {
1228         std::wcmatch m;
1229         const wchar_t s[] = L"ttotour";
1230         assert(std::regex_search(s, m, std::wregex(L"(tour|to|t)+",
1231                                               std::regex_constants::extended)));
1232         assert(m.size() == 2);
1233         assert(!m.prefix().matched);
1234         assert(m.prefix().first == s);
1235         assert(m.prefix().second == m[0].first);
1236         assert(!m.suffix().matched);
1237         assert(m.suffix().first == m[0].second);
1238         assert(m.suffix().second == m[0].second);
1239         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1240         assert(m.position(0) == 0);
1241         assert(m.str(0) == s);
1242         assert(m.length(1) == 4);
1243         assert(m.position(1) == 3);
1244         assert(m.str(1) == L"tour");
1245     }
1246     {
1247         std::wcmatch m;
1248         const wchar_t s[] = L"-ab,ab-";
1249         assert(!std::regex_search(s, m, std::wregex(L"-(.*),\1-", std::regex_constants::extended)));
1250         assert(m.size() == 0);
1251     }
1252     {
1253         std::wcmatch m;
1254         const wchar_t s[] = L"-ab,ab-";
1255         assert(std::regex_search(s, m, std::wregex(L"-.*,.*-", std::regex_constants::extended)));
1256         assert(m.size() == 1);
1257         assert(!m.prefix().matched);
1258         assert(m.prefix().first == s);
1259         assert(m.prefix().second == m[0].first);
1260         assert(!m.suffix().matched);
1261         assert(m.suffix().first == m[0].second);
1262         assert(m.suffix().second == m[0].second);
1263         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1264         assert(m.position(0) == 0);
1265         assert(m.str(0) == s);
1266     }
1267     {
1268         std::wcmatch m;
1269         const wchar_t s[] = L"a";
1270         assert(std::regex_search(s, m, std::wregex(L"^[a]$",
1271                                                  std::regex_constants::extended)));
1272         assert(m.size() == 1);
1273         assert(!m.prefix().matched);
1274         assert(m.prefix().first == s);
1275         assert(m.prefix().second == m[0].first);
1276         assert(!m.suffix().matched);
1277         assert(m.suffix().first == m[0].second);
1278         assert(m.suffix().second == m[0].second);
1279         assert(m.length(0) == 1);
1280         assert(m.position(0) == 0);
1281         assert(m.str(0) == L"a");
1282     }
1283     {
1284         std::wcmatch m;
1285         const wchar_t s[] = L"a";
1286         assert(std::regex_search(s, m, std::wregex(L"^[ab]$",
1287                                                  std::regex_constants::extended)));
1288         assert(m.size() == 1);
1289         assert(!m.prefix().matched);
1290         assert(m.prefix().first == s);
1291         assert(m.prefix().second == m[0].first);
1292         assert(!m.suffix().matched);
1293         assert(m.suffix().first == m[0].second);
1294         assert(m.suffix().second == m[0].second);
1295         assert(m.length(0) == 1);
1296         assert(m.position(0) == 0);
1297         assert(m.str(0) == L"a");
1298     }
1299     {
1300         std::wcmatch m;
1301         const wchar_t s[] = L"c";
1302         assert(std::regex_search(s, m, std::wregex(L"^[a-f]$",
1303                                                  std::regex_constants::extended)));
1304         assert(m.size() == 1);
1305         assert(!m.prefix().matched);
1306         assert(m.prefix().first == s);
1307         assert(m.prefix().second == m[0].first);
1308         assert(!m.suffix().matched);
1309         assert(m.suffix().first == m[0].second);
1310         assert(m.suffix().second == m[0].second);
1311         assert(m.length(0) == 1);
1312         assert(m.position(0) == 0);
1313         assert(m.str(0) == s);
1314     }
1315     {
1316         std::wcmatch m;
1317         const wchar_t s[] = L"g";
1318         assert(!std::regex_search(s, m, std::wregex(L"^[a-f]$",
1319                                                  std::regex_constants::extended)));
1320         assert(m.size() == 0);
1321     }
1322     {
1323         std::wcmatch m;
1324         const wchar_t s[] = L"Iraqi";
1325         assert(std::regex_search(s, m, std::wregex(L"q[^u]",
1326                                                  std::regex_constants::extended)));
1327         assert(m.size() == 1);
1328         assert(m.prefix().matched);
1329         assert(m.prefix().first == s);
1330         assert(m.prefix().second == m[0].first);
1331         assert(!m.suffix().matched);
1332         assert(m.suffix().first == m[0].second);
1333         assert(m.suffix().second == m[0].second);
1334         assert(m.length(0) == 2);
1335         assert(m.position(0) == 3);
1336         assert(m.str(0) == L"qi");
1337     }
1338     {
1339         std::wcmatch m;
1340         const wchar_t s[] = L"Iraq";
1341         assert(!std::regex_search(s, m, std::wregex(L"q[^u]",
1342                                                  std::regex_constants::extended)));
1343         assert(m.size() == 0);
1344     }
1345     {
1346         std::wcmatch m;
1347         const wchar_t s[] = L"AmB";
1348         assert(std::regex_search(s, m, std::wregex(L"A[[:lower:]]B",
1349                                                  std::regex_constants::extended)));
1350         assert(m.size() == 1);
1351         assert(!m.prefix().matched);
1352         assert(m.prefix().first == s);
1353         assert(m.prefix().second == m[0].first);
1354         assert(!m.suffix().matched);
1355         assert(m.suffix().first == m[0].second);
1356         assert(m.suffix().second == m[0].second);
1357         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1358         assert(m.position(0) == 0);
1359         assert(m.str(0) == s);
1360     }
1361     {
1362         std::wcmatch m;
1363         const wchar_t s[] = L"AMB";
1364         assert(!std::regex_search(s, m, std::wregex(L"A[[:lower:]]B",
1365                                                  std::regex_constants::extended)));
1366         assert(m.size() == 0);
1367     }
1368     {
1369         std::wcmatch m;
1370         const wchar_t s[] = L"AMB";
1371         assert(std::regex_search(s, m, std::wregex(L"A[^[:lower:]]B",
1372                                                  std::regex_constants::extended)));
1373         assert(m.size() == 1);
1374         assert(!m.prefix().matched);
1375         assert(m.prefix().first == s);
1376         assert(m.prefix().second == m[0].first);
1377         assert(!m.suffix().matched);
1378         assert(m.suffix().first == m[0].second);
1379         assert(m.suffix().second == m[0].second);
1380         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1381         assert(m.position(0) == 0);
1382         assert(m.str(0) == s);
1383     }
1384     {
1385         std::wcmatch m;
1386         const wchar_t s[] = L"AmB";
1387         assert(!std::regex_search(s, m, std::wregex(L"A[^[:lower:]]B",
1388                                                  std::regex_constants::extended)));
1389         assert(m.size() == 0);
1390     }
1391     {
1392         std::wcmatch m;
1393         const wchar_t s[] = L"A5B";
1394         assert(!std::regex_search(s, m, std::wregex(L"A[^[:lower:]0-9]B",
1395                                                  std::regex_constants::extended)));
1396         assert(m.size() == 0);
1397     }
1398     {
1399         std::wcmatch m;
1400         const wchar_t s[] = L"A?B";
1401         assert(std::regex_search(s, m, std::wregex(L"A[^[:lower:]0-9]B",
1402                                                  std::regex_constants::extended)));
1403         assert(m.size() == 1);
1404         assert(!m.prefix().matched);
1405         assert(m.prefix().first == s);
1406         assert(m.prefix().second == m[0].first);
1407         assert(!m.suffix().matched);
1408         assert(m.suffix().first == m[0].second);
1409         assert(m.suffix().second == m[0].second);
1410         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1411         assert(m.position(0) == 0);
1412         assert(m.str(0) == s);
1413     }
1414     {
1415         std::wcmatch m;
1416         const wchar_t s[] = L"-";
1417         assert(std::regex_search(s, m, std::wregex(L"[a[.hyphen.]z]",
1418                                                  std::regex_constants::extended)));
1419         assert(m.size() == 1);
1420         assert(!m.prefix().matched);
1421         assert(m.prefix().first == s);
1422         assert(m.prefix().second == m[0].first);
1423         assert(!m.suffix().matched);
1424         assert(m.suffix().first == m[0].second);
1425         assert(m.suffix().second == m[0].second);
1426         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1427         assert(m.position(0) == 0);
1428         assert(m.str(0) == s);
1429     }
1430     {
1431         std::wcmatch m;
1432         const wchar_t s[] = L"z";
1433         assert(std::regex_search(s, m, std::wregex(L"[a[.hyphen.]z]",
1434                                                  std::regex_constants::extended)));
1435         assert(m.size() == 1);
1436         assert(!m.prefix().matched);
1437         assert(m.prefix().first == s);
1438         assert(m.prefix().second == m[0].first);
1439         assert(!m.suffix().matched);
1440         assert(m.suffix().first == m[0].second);
1441         assert(m.suffix().second == m[0].second);
1442         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1443         assert(m.position(0) == 0);
1444         assert(m.str(0) == s);
1445     }
1446     {
1447         std::wcmatch m;
1448         const wchar_t s[] = L"m";
1449         assert(!std::regex_search(s, m, std::wregex(L"[a[.hyphen.]z]",
1450                                                  std::regex_constants::extended)));
1451         assert(m.size() == 0);
1452     }
1453     std::locale::global(std::locale(LOCALE_cs_CZ_ISO8859_2));
1454     {
1455         std::wcmatch m;
1456         const wchar_t s[] = L"m";
1457         assert(std::regex_search(s, m, std::wregex(L"[a[=M=]z]",
1458                                                  std::regex_constants::extended)));
1459         assert(m.size() == 1);
1460         assert(!m.prefix().matched);
1461         assert(m.prefix().first == s);
1462         assert(m.prefix().second == m[0].first);
1463         assert(!m.suffix().matched);
1464         assert(m.suffix().first == m[0].second);
1465         assert(m.suffix().second == m[0].second);
1466         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1467         assert(m.position(0) == 0);
1468         assert(m.str(0) == s);
1469     }
1470     {
1471         std::wcmatch m;
1472         const wchar_t s[] = L"Ch";
1473         assert(std::regex_search(s, m, std::wregex(L"[a[.ch.]z]",
1474                    std::regex_constants::extended | std::regex_constants::icase)));
1475         assert(m.size() == 1);
1476         assert(!m.prefix().matched);
1477         assert(m.prefix().first == s);
1478         assert(m.prefix().second == m[0].first);
1479         assert(!m.suffix().matched);
1480         assert(m.suffix().first == m[0].second);
1481         assert(m.suffix().second == m[0].second);
1482         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1483         assert(m.position(0) == 0);
1484         assert(m.str(0) == s);
1485     }
1486     std::locale::global(std::locale("C"));
1487     {
1488         std::wcmatch m;
1489         const wchar_t s[] = L"m";
1490         assert(!std::regex_search(s, m, std::wregex(L"[a[=M=]z]",
1491                                                  std::regex_constants::extended)));
1492         assert(m.size() == 0);
1493     }
1494     {
1495         std::wcmatch m;
1496         const wchar_t s[] = L"01a45cef9";
1497         assert(std::regex_search(s, m, std::wregex(L"[ace1-9]*",
1498                                                  std::regex_constants::extended)));
1499         assert(m.size() == 1);
1500         assert(!m.prefix().matched);
1501         assert(m.prefix().first == s);
1502         assert(m.prefix().second == m[0].first);
1503         assert(m.suffix().matched);
1504         assert(m.suffix().first == m[0].second);
1505         assert(m.suffix().second == s + std::char_traits<wchar_t>::length(s));
1506         assert(m.length(0) == 0);
1507         assert(m.position(0) == 0);
1508         assert(m.str(0) == L"");
1509     }
1510     {
1511         std::wcmatch m;
1512         const wchar_t s[] = L"01a45cef9";
1513         assert(std::regex_search(s, m, std::wregex(L"[ace1-9]+",
1514                                                  std::regex_constants::extended)));
1515         assert(m.size() == 1);
1516         assert(m.prefix().matched);
1517         assert(m.prefix().first == s);
1518         assert(m.prefix().second == m[0].first);
1519         assert(m.suffix().matched);
1520         assert(m.suffix().first == m[0].second);
1521         assert(m.suffix().second == s + std::char_traits<wchar_t>::length(s));
1522         assert(m.length(0) == 6);
1523         assert(m.position(0) == 1);
1524         assert(m.str(0) == L"1a45ce");
1525     }
1526     {
1527         const wchar_t r[] = L"^[-+]?[0-9]+[CF]$";
1528         std::ptrdiff_t sr = std::char_traits<wchar_t>::length(r);
1529         typedef forward_iterator<const wchar_t*> FI;
1530         typedef bidirectional_iterator<const wchar_t*> BI;
1531         std::wregex regex(FI(r), FI(r+sr), std::regex_constants::extended);
1532         std::match_results<BI> m;
1533         const wchar_t s[] = L"-40C";
1534         std::ptrdiff_t ss = std::char_traits<wchar_t>::length(s);
1535         assert(std::regex_search(BI(s), BI(s+ss), m, regex));
1536         assert(m.size() == 1);
1537         assert(!m.prefix().matched);
1538         assert(m.prefix().first == BI(s));
1539         assert(m.prefix().second == m[0].first);
1540         assert(!m.suffix().matched);
1541         assert(m.suffix().first == m[0].second);
1542         assert(m.suffix().second == m[0].second);
1543         assert(m.length(0) == 4);
1544         assert(m.position(0) == 0);
1545         assert(m.str(0) == s);
1546     }
1547 }
1548