1 | /* Regular expression tests. |
2 | Copyright (C) 2002-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <sys/types.h> |
20 | #include <mcheck.h> |
21 | #include <regex.h> |
22 | #include <stdio.h> |
23 | #include <stdlib.h> |
24 | #include <string.h> |
25 | |
26 | static struct |
27 | { |
28 | int syntax; |
29 | const char *pattern; |
30 | const char *string; |
31 | int start; |
32 | } tests[] = { |
33 | {RE_BACKSLASH_ESCAPE_IN_LISTS, "[0\\-9]" , "1" , -1}, /* It should not match. */ |
34 | {RE_BACKSLASH_ESCAPE_IN_LISTS, "[0\\-9]" , "-" , 0}, /* It should match. */ |
35 | {RE_SYNTAX_POSIX_BASIC, "s1\n.*\ns3" , "s1\ns2\ns3" , 0}, |
36 | {RE_SYNTAX_POSIX_EXTENDED, "ab{0}c" , "ac" , 0}, |
37 | {RE_SYNTAX_POSIX_EXTENDED, "ab{0}c" , "abc" , -1}, |
38 | {RE_SYNTAX_POSIX_EXTENDED, "ab{0}c" , "abbc" , -1}, |
39 | /* Nested duplication. */ |
40 | {RE_SYNTAX_POSIX_EXTENDED, "ab{1}{1}c" , "ac" , -1}, |
41 | {RE_SYNTAX_POSIX_EXTENDED, "ab{1}{1}c" , "abc" , 0}, |
42 | {RE_SYNTAX_POSIX_EXTENDED, "ab{1}{1}c" , "abbc" , -1}, |
43 | {RE_SYNTAX_POSIX_EXTENDED, "ab{2}{2}c" , "ac" , -1}, |
44 | {RE_SYNTAX_POSIX_EXTENDED, "ab{2}{2}c" , "abbc" , -1}, |
45 | {RE_SYNTAX_POSIX_EXTENDED, "ab{2}{2}c" , "abbbbc" , 0}, |
46 | {RE_SYNTAX_POSIX_EXTENDED, "ab{2}{2}c" , "abbbbbc" , -1}, |
47 | {RE_SYNTAX_POSIX_EXTENDED, "ab{0}{1}c" , "ac" , 0}, |
48 | {RE_SYNTAX_POSIX_EXTENDED, "ab{0}{1}c" , "abc" , -1}, |
49 | {RE_SYNTAX_POSIX_EXTENDED, "ab{0}{1}c" , "abbc" , -1}, |
50 | {RE_SYNTAX_POSIX_EXTENDED, "ab{1}{0}c" , "ac" , 0}, |
51 | {RE_SYNTAX_POSIX_EXTENDED, "ab{1}{0}c" , "abc" , -1}, |
52 | {RE_SYNTAX_POSIX_EXTENDED, "ab{1}{0}c" , "abbc" , -1}, |
53 | {RE_SYNTAX_POSIX_EXTENDED, "ab{0}*c" , "ac" , 0}, |
54 | {RE_SYNTAX_POSIX_EXTENDED, "ab{0}*c" , "abc" , -1}, |
55 | {RE_SYNTAX_POSIX_EXTENDED, "ab{0}*c" , "abbc" , -1}, |
56 | {RE_SYNTAX_POSIX_EXTENDED, "ab{0}?c" , "ac" , 0}, |
57 | {RE_SYNTAX_POSIX_EXTENDED, "ab{0}?c" , "abc" , -1}, |
58 | {RE_SYNTAX_POSIX_EXTENDED, "ab{0}?c" , "abbc" , -1}, |
59 | {RE_SYNTAX_POSIX_EXTENDED, "ab{0}+c" , "ac" , 0}, |
60 | {RE_SYNTAX_POSIX_EXTENDED, "ab{0}+c" , "abc" , -1}, |
61 | {RE_SYNTAX_POSIX_EXTENDED, "ab{0}+c" , "abbc" , -1}, |
62 | }; |
63 | |
64 | int |
65 | main (void) |
66 | { |
67 | struct re_pattern_buffer regbuf; |
68 | const char *err; |
69 | size_t i; |
70 | int ret = 0; |
71 | |
72 | mtrace (); |
73 | |
74 | for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i) |
75 | { |
76 | int start; |
77 | re_set_syntax (syntax: tests[i].syntax); |
78 | memset (®buf, '\0', sizeof (regbuf)); |
79 | err = re_compile_pattern (pattern: tests[i].pattern, length: strlen (tests[i].pattern), |
80 | buffer: ®buf); |
81 | if (err != NULL) |
82 | { |
83 | printf (format: "re_compile_pattern failed: %s\n" , err); |
84 | ret = 1; |
85 | continue; |
86 | } |
87 | |
88 | start = re_search (buffer: ®buf, String: tests[i].string, length: strlen (tests[i].string), |
89 | start: 0, range: strlen (tests[i].string), NULL); |
90 | if (start != tests[i].start) |
91 | { |
92 | printf (format: "re_search failed %d\n" , start); |
93 | ret = 1; |
94 | regfree (preg: ®buf); |
95 | continue; |
96 | } |
97 | regfree (preg: ®buf); |
98 | } |
99 | |
100 | return ret; |
101 | } |
102 | |