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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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk),
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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$", std::regex_constants::awk)));
206         assert(m.size() == 1);
207         assert(!m.prefix().matched);
208         assert(m.prefix().first == s);
209         assert(m.prefix().second == m[0].first);
210         assert(!m.suffix().matched);
211         assert(m.suffix().first == m[0].second);
212         assert(m.suffix().second == s+3);
213         assert(m.length(0) == 3);
214         assert(m.position(0) == 0);
215         assert(m.str(0) == s);
216     }
217     {
218         std::cmatch m;
219         const char s[] = "efabc";
220         assert(std::regex_search(s, m, std::regex("abc$", std::regex_constants::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk | 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::awk)));
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::awk)));
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::awk)));
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::awk)));
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]$",
531                                                  std::regex_constants::awk)));
532         assert(m.size() == 1);
533         assert(!m.prefix().matched);
534         assert(m.prefix().first == s);
535         assert(m.prefix().second == m[0].first);
536         assert(!m.suffix().matched);
537         assert(m.suffix().first == m[0].second);
538         assert(m.suffix().second == m[0].second);
539         assert(m.length(0) == 1);
540         assert(m.position(0) == 0);
541         assert(m.str(0) == "a");
542     }
543     {
544         std::cmatch m;
545         const char s[] = "c";
546         assert(std::regex_search(s, m, std::regex("^[a-f]$",
547                                                  std::regex_constants::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk)));
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::awk | 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::awk)));
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::awk)));
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::awk)));
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::awk);
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         std::cmatch m;
793         const char s[] = "\n\n\n";
794         assert(std::regex_search(s, m, std::regex("[\\n]+",
795                                                  std::regex_constants::awk)));
796         assert(m.size() == 1);
797         assert(!m.prefix().matched);
798         assert(m.prefix().first == s);
799         assert(m.prefix().second == m[0].first);
800         assert(!m.suffix().matched);
801         assert(m.suffix().first == m[0].second);
802         assert(m.suffix().second == s + std::char_traits<char>::length(s));
803         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
804         assert(m.position(0) == 0);
805         assert(m.str(0) == s);
806     }
807     {
808         std::wcmatch m;
809         const wchar_t s[] = L"a";
810         assert(std::regex_search(s, m, std::wregex(L"a", std::regex_constants::awk)));
811         assert(m.size() == 1);
812         assert(!m.empty());
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+1);
819         assert(m.length(0) == 1);
820         assert(m.position(0) == 0);
821         assert(m.str(0) == L"a");
822     }
823     {
824         std::wcmatch m;
825         const wchar_t s[] = L"ab";
826         assert(std::regex_search(s, m, std::wregex(L"ab", std::regex_constants::awk)));
827         assert(m.size() == 1);
828         assert(!m.prefix().matched);
829         assert(m.prefix().first == s);
830         assert(m.prefix().second == m[0].first);
831         assert(!m.suffix().matched);
832         assert(m.suffix().first == m[0].second);
833         assert(m.suffix().second == s+2);
834         assert(m.length(0) == 2);
835         assert(m.position(0) == 0);
836         assert(m.str(0) == L"ab");
837     }
838     {
839         std::wcmatch m;
840         const wchar_t s[] = L"ab";
841         assert(!std::regex_search(s, m, std::wregex(L"ba", std::regex_constants::awk)));
842         assert(m.size() == 0);
843         assert(m.empty());
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::awk)));
849         assert(m.size() == 1);
850         assert(m.prefix().matched);
851         assert(m.prefix().first == s);
852         assert(m.prefix().second == m[0].first);
853         assert(!m.suffix().matched);
854         assert(m.suffix().first == m[0].second);
855         assert(m.suffix().second == s+3);
856         assert(m.length(0) == 2);
857         assert(m.position(0) == 1);
858         assert(m.str(0) == L"ab");
859     }
860     {
861         std::wcmatch m;
862         const wchar_t s[] = L"aab";
863         assert(!std::regex_search(s, m, std::wregex(L"ab", std::regex_constants::awk),
864                                             std::regex_constants::match_continuous));
865         assert(m.size() == 0);
866     }
867     {
868         std::wcmatch m;
869         const wchar_t s[] = L"abcd";
870         assert(std::regex_search(s, m, std::wregex(L"bc", std::regex_constants::awk)));
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) == 2);
879         assert(m.position(0) == 1);
880         assert(m.str(0) == L"bc");
881     }
882     {
883         std::wcmatch m;
884         const wchar_t s[] = L"abbc";
885         assert(std::regex_search(s, m, std::wregex(L"ab*c", std::regex_constants::awk)));
886         assert(m.size() == 1);
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+4);
893         assert(m.length(0) == 4);
894         assert(m.position(0) == 0);
895         assert(m.str(0) == s);
896     }
897     {
898         std::wcmatch m;
899         const wchar_t s[] = L"ababc";
900         assert(std::regex_search(s, m, std::wregex(L"(ab)*c", std::regex_constants::awk)));
901         assert(m.size() == 2);
902         assert(!m.prefix().matched);
903         assert(m.prefix().first == s);
904         assert(m.prefix().second == m[0].first);
905         assert(!m.suffix().matched);
906         assert(m.suffix().first == m[0].second);
907         assert(m.suffix().second == s+5);
908         assert(m.length(0) == 5);
909         assert(m.position(0) == 0);
910         assert(m.str(0) == s);
911         assert(m.length(1) == 2);
912         assert(m.position(1) == 2);
913         assert(m.str(1) == L"ab");
914     }
915     {
916         std::wcmatch m;
917         const wchar_t s[] = L"abcdefghijk";
918         assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi",
919                                  std::regex_constants::awk)));
920         assert(m.size() == 3);
921         assert(m.prefix().matched);
922         assert(m.prefix().first == s);
923         assert(m.prefix().second == m[0].first);
924         assert(m.suffix().matched);
925         assert(m.suffix().first == m[0].second);
926         assert(m.suffix().second == s+std::regex_traits<wchar_t>::length(s));
927         assert(m.length(0) == 7);
928         assert(m.position(0) == 2);
929         assert(m.str(0) == L"cdefghi");
930         assert(m.length(1) == 3);
931         assert(m.position(1) == 4);
932         assert(m.str(1) == L"efg");
933         assert(m.length(2) == 1);
934         assert(m.position(2) == 4);
935         assert(m.str(2) == L"e");
936     }
937     {
938         std::wcmatch m;
939         const wchar_t s[] = L"abc";
940         assert(std::regex_search(s, m, std::wregex(L"^abc", std::regex_constants::awk)));
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+3);
948         assert(m.length(0) == 3);
949         assert(m.position(0) == 0);
950         assert(m.str(0) == s);
951     }
952     {
953         std::wcmatch m;
954         const wchar_t s[] = L"abcd";
955         assert(std::regex_search(s, m, std::wregex(L"^abc", std::regex_constants::awk)));
956         assert(m.size() == 1);
957         assert(!m.prefix().matched);
958         assert(m.prefix().first == s);
959         assert(m.prefix().second == m[0].first);
960         assert(m.suffix().matched);
961         assert(m.suffix().first == m[0].second);
962         assert(m.suffix().second == s+4);
963         assert(m.length(0) == 3);
964         assert(m.position(0) == 0);
965         assert(m.str(0) == L"abc");
966     }
967     {
968         std::wcmatch m;
969         const wchar_t s[] = L"aabc";
970         assert(!std::regex_search(s, m, std::wregex(L"^abc", std::regex_constants::awk)));
971         assert(m.size() == 0);
972     }
973     {
974         std::wcmatch m;
975         const wchar_t s[] = L"abc";
976         assert(std::regex_search(s, m, std::wregex(L"abc$", std::regex_constants::awk)));
977         assert(m.size() == 1);
978         assert(!m.prefix().matched);
979         assert(m.prefix().first == s);
980         assert(m.prefix().second == m[0].first);
981         assert(!m.suffix().matched);
982         assert(m.suffix().first == m[0].second);
983         assert(m.suffix().second == s+3);
984         assert(m.length(0) == 3);
985         assert(m.position(0) == 0);
986         assert(m.str(0) == s);
987     }
988     {
989         std::wcmatch m;
990         const wchar_t s[] = L"efabc";
991         assert(std::regex_search(s, m, std::wregex(L"abc$", std::regex_constants::awk)));
992         assert(m.size() == 1);
993         assert(m.prefix().matched);
994         assert(m.prefix().first == s);
995         assert(m.prefix().second == m[0].first);
996         assert(!m.suffix().matched);
997         assert(m.suffix().first == m[0].second);
998         assert(m.suffix().second == s+5);
999         assert(m.length(0) == 3);
1000         assert(m.position(0) == 2);
1001         assert(m.str(0) == s+2);
1002     }
1003     {
1004         std::wcmatch m;
1005         const wchar_t s[] = L"efabcg";
1006         assert(!std::regex_search(s, m, std::wregex(L"abc$", std::regex_constants::awk)));
1007         assert(m.size() == 0);
1008     }
1009     {
1010         std::wcmatch m;
1011         const wchar_t s[] = L"abc";
1012         assert(std::regex_search(s, m, std::wregex(L"a.c", std::regex_constants::awk)));
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::awk)));
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"acc";
1042         assert(std::regex_search(s, m, std::wregex(L"a.c", std::regex_constants::awk)));
1043         assert(m.size() == 1);
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+3);
1050         assert(m.length(0) == 3);
1051         assert(m.position(0) == 0);
1052         assert(m.str(0) == s);
1053     }
1054     {
1055         std::wcmatch m;
1056         const wchar_t s[] = L"abcdef";
1057         assert(std::regex_search(s, m, std::wregex(L"(.*).*", std::regex_constants::awk)));
1058         assert(m.size() == 2);
1059         assert(!m.prefix().matched);
1060         assert(m.prefix().first == s);
1061         assert(m.prefix().second == m[0].first);
1062         assert(!m.suffix().matched);
1063         assert(m.suffix().first == m[0].second);
1064         assert(m.suffix().second == s+6);
1065         assert(m.length(0) == 6);
1066         assert(m.position(0) == 0);
1067         assert(m.str(0) == s);
1068         assert(m.length(1) == 6);
1069         assert(m.position(1) == 0);
1070         assert(m.str(1) == s);
1071     }
1072     {
1073         std::wcmatch m;
1074         const wchar_t s[] = L"bc";
1075         assert(std::regex_search(s, m, std::wregex(L"(a*)*", std::regex_constants::awk)));
1076         assert(m.size() == 2);
1077         assert(!m.prefix().matched);
1078         assert(m.prefix().first == s);
1079         assert(m.prefix().second == m[0].first);
1080         assert(m.suffix().matched);
1081         assert(m.suffix().first == m[0].second);
1082         assert(m.suffix().second == s+2);
1083         assert(m.length(0) == 0);
1084         assert(m.position(0) == 0);
1085         assert(m.str(0) == L"");
1086         assert(m.length(1) == 0);
1087         assert(m.position(1) == 0);
1088         assert(m.str(1) == L"");
1089     }
1090     {
1091         std::wcmatch m;
1092         const wchar_t s[] = L"abbc";
1093         assert(!std::regex_search(s, m, std::wregex(L"ab{3,5}c", std::regex_constants::awk)));
1094         assert(m.size() == 0);
1095     }
1096     {
1097         std::wcmatch m;
1098         const wchar_t s[] = L"abbbc";
1099         assert(std::regex_search(s, m, std::wregex(L"ab{3,5}c", std::regex_constants::awk)));
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"abbbbc";
1114         assert(std::regex_search(s, m, std::wregex(L"ab{3,5}c", std::regex_constants::awk)));
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"abbbbbc";
1129         assert(std::regex_search(s, m, std::wregex(L"ab{3,5}c", std::regex_constants::awk)));
1130         assert(m.size() == 1);
1131         assert(!m.prefix().matched);
1132         assert(m.prefix().first == s);
1133         assert(m.prefix().second == m[0].first);
1134         assert(!m.suffix().matched);
1135         assert(m.suffix().first == m[0].second);
1136         assert(m.suffix().second == m[0].second);
1137         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1138         assert(m.position(0) == 0);
1139         assert(m.str(0) == s);
1140     }
1141     {
1142         std::wcmatch m;
1143         const wchar_t s[] = L"adefc";
1144         assert(!std::regex_search(s, m, std::wregex(L"ab{3,5}c", std::regex_constants::awk)));
1145         assert(m.size() == 0);
1146     }
1147     {
1148         std::wcmatch m;
1149         const wchar_t s[] = L"abbbbbbc";
1150         assert(!std::regex_search(s, m, std::wregex(L"ab{3,5}c", std::regex_constants::awk)));
1151         assert(m.size() == 0);
1152     }
1153     {
1154         std::wcmatch m;
1155         const wchar_t s[] = L"adec";
1156         assert(!std::regex_search(s, m, std::wregex(L"a.{3,5}c", std::regex_constants::awk)));
1157         assert(m.size() == 0);
1158     }
1159     {
1160         std::wcmatch m;
1161         const wchar_t s[] = L"adefc";
1162         assert(std::regex_search(s, m, std::wregex(L"a.{3,5}c", std::regex_constants::awk)));
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"adefgc";
1177         assert(std::regex_search(s, m, std::wregex(L"a.{3,5}c", std::regex_constants::awk)));
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"adefghc";
1192         assert(std::regex_search(s, m, std::wregex(L"a.{3,5}c", std::regex_constants::awk)));
1193         assert(m.size() == 1);
1194         assert(!m.prefix().matched);
1195         assert(m.prefix().first == s);
1196         assert(m.prefix().second == m[0].first);
1197         assert(!m.suffix().matched);
1198         assert(m.suffix().first == m[0].second);
1199         assert(m.suffix().second == m[0].second);
1200         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1201         assert(m.position(0) == 0);
1202         assert(m.str(0) == s);
1203     }
1204     {
1205         std::wcmatch m;
1206         const wchar_t s[] = L"adefghic";
1207         assert(!std::regex_search(s, m, std::wregex(L"a.{3,5}c", std::regex_constants::awk)));
1208         assert(m.size() == 0);
1209     }
1210     {
1211         std::wcmatch m;
1212         const wchar_t s[] = L"tournament";
1213         assert(std::regex_search(s, m, std::wregex(L"tour|to|tournament",
1214                                               std::regex_constants::awk)));
1215         assert(m.size() == 1);
1216         assert(!m.prefix().matched);
1217         assert(m.prefix().first == s);
1218         assert(m.prefix().second == m[0].first);
1219         assert(!m.suffix().matched);
1220         assert(m.suffix().first == m[0].second);
1221         assert(m.suffix().second == m[0].second);
1222         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1223         assert(m.position(0) == 0);
1224         assert(m.str(0) == s);
1225     }
1226     {
1227         std::wcmatch m;
1228         const wchar_t s[] = L"tournamenttotour";
1229         assert(std::regex_search(s, m, std::wregex(L"(tour|to|tournament)+",
1230                std::regex_constants::awk | std::regex_constants::nosubs)));
1231         assert(m.size() == 1);
1232         assert(!m.prefix().matched);
1233         assert(m.prefix().first == s);
1234         assert(m.prefix().second == m[0].first);
1235         assert(!m.suffix().matched);
1236         assert(m.suffix().first == m[0].second);
1237         assert(m.suffix().second == m[0].second);
1238         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1239         assert(m.position(0) == 0);
1240         assert(m.str(0) == s);
1241     }
1242     {
1243         std::wcmatch m;
1244         const wchar_t s[] = L"ttotour";
1245         assert(std::regex_search(s, m, std::wregex(L"(tour|to|t)+",
1246                                               std::regex_constants::awk)));
1247         assert(m.size() == 2);
1248         assert(!m.prefix().matched);
1249         assert(m.prefix().first == s);
1250         assert(m.prefix().second == m[0].first);
1251         assert(!m.suffix().matched);
1252         assert(m.suffix().first == m[0].second);
1253         assert(m.suffix().second == m[0].second);
1254         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1255         assert(m.position(0) == 0);
1256         assert(m.str(0) == s);
1257         assert(m.length(1) == 4);
1258         assert(m.position(1) == 3);
1259         assert(m.str(1) == L"tour");
1260     }
1261     {
1262         std::wcmatch m;
1263         const wchar_t s[] = L"-ab,ab-";
1264         assert(!std::regex_search(s, m, std::wregex(L"-(.*),\1-", std::regex_constants::awk)));
1265         assert(m.size() == 0);
1266     }
1267     {
1268         std::wcmatch m;
1269         const wchar_t s[] = L"-ab,ab-";
1270         assert(std::regex_search(s, m, std::wregex(L"-.*,.*-", std::regex_constants::awk)));
1271         assert(m.size() == 1);
1272         assert(!m.prefix().matched);
1273         assert(m.prefix().first == s);
1274         assert(m.prefix().second == m[0].first);
1275         assert(!m.suffix().matched);
1276         assert(m.suffix().first == m[0].second);
1277         assert(m.suffix().second == m[0].second);
1278         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1279         assert(m.position(0) == 0);
1280         assert(m.str(0) == s);
1281     }
1282     {
1283         std::wcmatch m;
1284         const wchar_t s[] = L"a";
1285         assert(std::regex_search(s, m, std::wregex(L"^[a]$",
1286                                                  std::regex_constants::awk)));
1287         assert(m.size() == 1);
1288         assert(!m.prefix().matched);
1289         assert(m.prefix().first == s);
1290         assert(m.prefix().second == m[0].first);
1291         assert(!m.suffix().matched);
1292         assert(m.suffix().first == m[0].second);
1293         assert(m.suffix().second == m[0].second);
1294         assert(m.length(0) == 1);
1295         assert(m.position(0) == 0);
1296         assert(m.str(0) == L"a");
1297     }
1298     {
1299         std::wcmatch m;
1300         const wchar_t s[] = L"a";
1301         assert(std::regex_search(s, m, std::wregex(L"^[ab]$",
1302                                                  std::regex_constants::awk)));
1303         assert(m.size() == 1);
1304         assert(!m.prefix().matched);
1305         assert(m.prefix().first == s);
1306         assert(m.prefix().second == m[0].first);
1307         assert(!m.suffix().matched);
1308         assert(m.suffix().first == m[0].second);
1309         assert(m.suffix().second == m[0].second);
1310         assert(m.length(0) == 1);
1311         assert(m.position(0) == 0);
1312         assert(m.str(0) == L"a");
1313     }
1314     {
1315         std::wcmatch m;
1316         const wchar_t s[] = L"c";
1317         assert(std::regex_search(s, m, std::wregex(L"^[a-f]$",
1318                                                  std::regex_constants::awk)));
1319         assert(m.size() == 1);
1320         assert(!m.prefix().matched);
1321         assert(m.prefix().first == s);
1322         assert(m.prefix().second == m[0].first);
1323         assert(!m.suffix().matched);
1324         assert(m.suffix().first == m[0].second);
1325         assert(m.suffix().second == m[0].second);
1326         assert(m.length(0) == 1);
1327         assert(m.position(0) == 0);
1328         assert(m.str(0) == s);
1329     }
1330     {
1331         std::wcmatch m;
1332         const wchar_t s[] = L"g";
1333         assert(!std::regex_search(s, m, std::wregex(L"^[a-f]$",
1334                                                  std::regex_constants::awk)));
1335         assert(m.size() == 0);
1336     }
1337     {
1338         std::wcmatch m;
1339         const wchar_t s[] = L"Iraqi";
1340         assert(std::regex_search(s, m, std::wregex(L"q[^u]",
1341                                                  std::regex_constants::awk)));
1342         assert(m.size() == 1);
1343         assert(m.prefix().matched);
1344         assert(m.prefix().first == s);
1345         assert(m.prefix().second == m[0].first);
1346         assert(!m.suffix().matched);
1347         assert(m.suffix().first == m[0].second);
1348         assert(m.suffix().second == m[0].second);
1349         assert(m.length(0) == 2);
1350         assert(m.position(0) == 3);
1351         assert(m.str(0) == L"qi");
1352     }
1353     {
1354         std::wcmatch m;
1355         const wchar_t s[] = L"Iraq";
1356         assert(!std::regex_search(s, m, std::wregex(L"q[^u]",
1357                                                  std::regex_constants::awk)));
1358         assert(m.size() == 0);
1359     }
1360     {
1361         std::wcmatch m;
1362         const wchar_t s[] = L"AmB";
1363         assert(std::regex_search(s, m, std::wregex(L"A[[:lower:]]B",
1364                                                  std::regex_constants::awk)));
1365         assert(m.size() == 1);
1366         assert(!m.prefix().matched);
1367         assert(m.prefix().first == s);
1368         assert(m.prefix().second == m[0].first);
1369         assert(!m.suffix().matched);
1370         assert(m.suffix().first == m[0].second);
1371         assert(m.suffix().second == m[0].second);
1372         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1373         assert(m.position(0) == 0);
1374         assert(m.str(0) == s);
1375     }
1376     {
1377         std::wcmatch m;
1378         const wchar_t s[] = L"AMB";
1379         assert(!std::regex_search(s, m, std::wregex(L"A[[:lower:]]B",
1380                                                  std::regex_constants::awk)));
1381         assert(m.size() == 0);
1382     }
1383     {
1384         std::wcmatch m;
1385         const wchar_t s[] = L"AMB";
1386         assert(std::regex_search(s, m, std::wregex(L"A[^[:lower:]]B",
1387                                                  std::regex_constants::awk)));
1388         assert(m.size() == 1);
1389         assert(!m.prefix().matched);
1390         assert(m.prefix().first == s);
1391         assert(m.prefix().second == m[0].first);
1392         assert(!m.suffix().matched);
1393         assert(m.suffix().first == m[0].second);
1394         assert(m.suffix().second == m[0].second);
1395         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1396         assert(m.position(0) == 0);
1397         assert(m.str(0) == s);
1398     }
1399     {
1400         std::wcmatch m;
1401         const wchar_t s[] = L"AmB";
1402         assert(!std::regex_search(s, m, std::wregex(L"A[^[:lower:]]B",
1403                                                  std::regex_constants::awk)));
1404         assert(m.size() == 0);
1405     }
1406     {
1407         std::wcmatch m;
1408         const wchar_t s[] = L"A5B";
1409         assert(!std::regex_search(s, m, std::wregex(L"A[^[:lower:]0-9]B",
1410                                                  std::regex_constants::awk)));
1411         assert(m.size() == 0);
1412     }
1413     {
1414         std::wcmatch m;
1415         const wchar_t s[] = L"A?B";
1416         assert(std::regex_search(s, m, std::wregex(L"A[^[:lower:]0-9]B",
1417                                                  std::regex_constants::awk)));
1418         assert(m.size() == 1);
1419         assert(!m.prefix().matched);
1420         assert(m.prefix().first == s);
1421         assert(m.prefix().second == m[0].first);
1422         assert(!m.suffix().matched);
1423         assert(m.suffix().first == m[0].second);
1424         assert(m.suffix().second == m[0].second);
1425         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1426         assert(m.position(0) == 0);
1427         assert(m.str(0) == s);
1428     }
1429     {
1430         std::wcmatch m;
1431         const wchar_t s[] = L"-";
1432         assert(std::regex_search(s, m, std::wregex(L"[a[.hyphen.]z]",
1433                                                  std::regex_constants::awk)));
1434         assert(m.size() == 1);
1435         assert(!m.prefix().matched);
1436         assert(m.prefix().first == s);
1437         assert(m.prefix().second == m[0].first);
1438         assert(!m.suffix().matched);
1439         assert(m.suffix().first == m[0].second);
1440         assert(m.suffix().second == m[0].second);
1441         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1442         assert(m.position(0) == 0);
1443         assert(m.str(0) == s);
1444     }
1445     {
1446         std::wcmatch m;
1447         const wchar_t s[] = L"z";
1448         assert(std::regex_search(s, m, std::wregex(L"[a[.hyphen.]z]",
1449                                                  std::regex_constants::awk)));
1450         assert(m.size() == 1);
1451         assert(!m.prefix().matched);
1452         assert(m.prefix().first == s);
1453         assert(m.prefix().second == m[0].first);
1454         assert(!m.suffix().matched);
1455         assert(m.suffix().first == m[0].second);
1456         assert(m.suffix().second == m[0].second);
1457         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1458         assert(m.position(0) == 0);
1459         assert(m.str(0) == s);
1460     }
1461     {
1462         std::wcmatch m;
1463         const wchar_t s[] = L"m";
1464         assert(!std::regex_search(s, m, std::wregex(L"[a[.hyphen.]z]",
1465                                                  std::regex_constants::awk)));
1466         assert(m.size() == 0);
1467     }
1468     std::locale::global(std::locale(LOCALE_cs_CZ_ISO8859_2));
1469     {
1470         std::wcmatch m;
1471         const wchar_t s[] = L"m";
1472         assert(std::regex_search(s, m, std::wregex(L"[a[=M=]z]",
1473                                                  std::regex_constants::awk)));
1474         assert(m.size() == 1);
1475         assert(!m.prefix().matched);
1476         assert(m.prefix().first == s);
1477         assert(m.prefix().second == m[0].first);
1478         assert(!m.suffix().matched);
1479         assert(m.suffix().first == m[0].second);
1480         assert(m.suffix().second == m[0].second);
1481         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1482         assert(m.position(0) == 0);
1483         assert(m.str(0) == s);
1484     }
1485     {
1486         std::wcmatch m;
1487         const wchar_t s[] = L"Ch";
1488         assert(std::regex_search(s, m, std::wregex(L"[a[.ch.]z]",
1489                    std::regex_constants::awk | std::regex_constants::icase)));
1490         assert(m.size() == 1);
1491         assert(!m.prefix().matched);
1492         assert(m.prefix().first == s);
1493         assert(m.prefix().second == m[0].first);
1494         assert(!m.suffix().matched);
1495         assert(m.suffix().first == m[0].second);
1496         assert(m.suffix().second == m[0].second);
1497         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1498         assert(m.position(0) == 0);
1499         assert(m.str(0) == s);
1500     }
1501     std::locale::global(std::locale("C"));
1502     {
1503         std::wcmatch m;
1504         const wchar_t s[] = L"m";
1505         assert(!std::regex_search(s, m, std::wregex(L"[a[=M=]z]",
1506                                                  std::regex_constants::awk)));
1507         assert(m.size() == 0);
1508     }
1509     {
1510         std::wcmatch m;
1511         const wchar_t s[] = L"01a45cef9";
1512         assert(std::regex_search(s, m, std::wregex(L"[ace1-9]*",
1513                                                  std::regex_constants::awk)));
1514         assert(m.size() == 1);
1515         assert(!m.prefix().matched);
1516         assert(m.prefix().first == s);
1517         assert(m.prefix().second == m[0].first);
1518         assert(m.suffix().matched);
1519         assert(m.suffix().first == m[0].second);
1520         assert(m.suffix().second == s + std::char_traits<wchar_t>::length(s));
1521         assert(m.length(0) == 0);
1522         assert(m.position(0) == 0);
1523         assert(m.str(0) == L"");
1524     }
1525     {
1526         std::wcmatch m;
1527         const wchar_t s[] = L"01a45cef9";
1528         assert(std::regex_search(s, m, std::wregex(L"[ace1-9]+",
1529                                                  std::regex_constants::awk)));
1530         assert(m.size() == 1);
1531         assert(m.prefix().matched);
1532         assert(m.prefix().first == s);
1533         assert(m.prefix().second == m[0].first);
1534         assert(m.suffix().matched);
1535         assert(m.suffix().first == m[0].second);
1536         assert(m.suffix().second == s + std::char_traits<wchar_t>::length(s));
1537         assert(m.length(0) == 6);
1538         assert(m.position(0) == 1);
1539         assert(m.str(0) == L"1a45ce");
1540     }
1541     {
1542         const wchar_t r[] = L"^[-+]?[0-9]+[CF]$";
1543         std::ptrdiff_t sr = std::char_traits<wchar_t>::length(r);
1544         typedef forward_iterator<const wchar_t*> FI;
1545         typedef bidirectional_iterator<const wchar_t*> BI;
1546         std::wregex regex(FI(r), FI(r+sr), std::regex_constants::awk);
1547         std::match_results<BI> m;
1548         const wchar_t s[] = L"-40C";
1549         std::ptrdiff_t ss = std::char_traits<wchar_t>::length(s);
1550         assert(std::regex_search(BI(s), BI(s+ss), m, regex));
1551         assert(m.size() == 1);
1552         assert(!m.prefix().matched);
1553         assert(m.prefix().first == BI(s));
1554         assert(m.prefix().second == m[0].first);
1555         assert(!m.suffix().matched);
1556         assert(m.suffix().first == m[0].second);
1557         assert(m.suffix().second == m[0].second);
1558         assert(m.length(0) == 4);
1559         assert(m.position(0) == 0);
1560         assert(m.str(0) == s);
1561     }
1562     {
1563         std::wcmatch m;
1564         const wchar_t s[] = L"\n\n\n";
1565         assert(std::regex_search(s, m, std::wregex(L"[\\n]+",
1566                                                  std::regex_constants::awk)));
1567         assert(m.size() == 1);
1568         assert(!m.prefix().matched);
1569         assert(m.prefix().first == s);
1570         assert(m.prefix().second == m[0].first);
1571         assert(!m.suffix().matched);
1572         assert(m.suffix().first == m[0].second);
1573         assert(m.suffix().second == s + std::char_traits<wchar_t>::length(s));
1574         assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1575         assert(m.position(0) == 0);
1576         assert(m.str(0) == s);
1577     }
1578 }
1579