1 /* Regular expression tests.
2 Copyright (C) 2002 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>, 2002.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19 02110-1301 USA. */
20
21 #ifdef HAVE_CONFIG_H
22 #include "config.h"
23 #endif
24
25 #include <sys/types.h>
26 #ifdef HAVE_MCHECK_H
27 #include <mcheck.h>
28 #endif
29 #include <regex.h>
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <string.h>
33
34 static struct
35 {
36 int syntax;
37 const char *pattern;
38 const char *string;
39 int start;
40 } tests[] = {
41 {RE_BACKSLASH_ESCAPE_IN_LISTS, "[0\\-9]", "1", -1}, /* It should not match. */
42 {RE_BACKSLASH_ESCAPE_IN_LISTS, "[0\\-9]", "-", 0}, /* It should match. */
43 {RE_SYNTAX_POSIX_BASIC, "s1\n.*\ns3", "s1\ns2\ns3", 0},
44 {RE_SYNTAX_POSIX_EXTENDED, "ab{0}c", "ac", 0},
45 {RE_SYNTAX_POSIX_EXTENDED, "ab{0}c", "abc", -1},
46 {RE_SYNTAX_POSIX_EXTENDED, "ab{0}c", "abbc", -1},
47 /* Nested duplication. */
48 {RE_SYNTAX_POSIX_EXTENDED, "ab{1}{1}c", "ac", -1},
49 {RE_SYNTAX_POSIX_EXTENDED, "ab{1}{1}c", "abc", 0},
50 {RE_SYNTAX_POSIX_EXTENDED, "ab{1}{1}c", "abbc", -1},
51 {RE_SYNTAX_POSIX_EXTENDED, "ab{2}{2}c", "ac", -1},
52 {RE_SYNTAX_POSIX_EXTENDED, "ab{2}{2}c", "abbc", -1},
53 {RE_SYNTAX_POSIX_EXTENDED, "ab{2}{2}c", "abbbbc", 0},
54 {RE_SYNTAX_POSIX_EXTENDED, "ab{2}{2}c", "abbbbbc", -1},
55 {RE_SYNTAX_POSIX_EXTENDED, "ab{0}{1}c", "ac", 0},
56 {RE_SYNTAX_POSIX_EXTENDED, "ab{0}{1}c", "abc", -1},
57 {RE_SYNTAX_POSIX_EXTENDED, "ab{0}{1}c", "abbc", -1},
58 {RE_SYNTAX_POSIX_EXTENDED, "ab{1}{0}c", "ac", 0},
59 {RE_SYNTAX_POSIX_EXTENDED, "ab{1}{0}c", "abc", -1},
60 {RE_SYNTAX_POSIX_EXTENDED, "ab{1}{0}c", "abbc", -1},
61 {RE_SYNTAX_POSIX_EXTENDED, "ab{0}*c", "ac", 0},
62 {RE_SYNTAX_POSIX_EXTENDED, "ab{0}*c", "abc", -1},
63 {RE_SYNTAX_POSIX_EXTENDED, "ab{0}*c", "abbc", -1},
64 {RE_SYNTAX_POSIX_EXTENDED, "ab{0}?c", "ac", 0},
65 {RE_SYNTAX_POSIX_EXTENDED, "ab{0}?c", "abc", -1},
66 {RE_SYNTAX_POSIX_EXTENDED, "ab{0}?c", "abbc", -1},
67 {RE_SYNTAX_POSIX_EXTENDED, "ab{0}+c", "ac", 0},
68 {RE_SYNTAX_POSIX_EXTENDED, "ab{0}+c", "abc", -1},
69 {RE_SYNTAX_POSIX_EXTENDED, "ab{0}+c", "abbc", -1},
70 };
71
72 int
main(void)73 main (void)
74 {
75 struct re_pattern_buffer regbuf;
76 const char *err;
77 size_t i;
78 int ret = 0;
79
80 #ifdef HAVE_MCHECK_H
81 mtrace ();
82 #endif
83
84 for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i)
85 {
86 int start;
87 re_set_syntax (tests[i].syntax);
88 memset (®buf, '\0', sizeof (regbuf));
89 err = re_compile_pattern (tests[i].pattern, strlen (tests[i].pattern),
90 ®buf);
91 if (err != NULL)
92 {
93 printf ("re_compile_pattern failed: %s\n", err);
94 ret = 1;
95 continue;
96 }
97
98 start = re_search (®buf, tests[i].string, strlen (tests[i].string),
99 0, strlen (tests[i].string), NULL);
100 if (start != tests[i].start)
101 {
102 printf ("re_search failed %d\n", start);
103 ret = 1;
104 regfree (®buf);
105 continue;
106 }
107 regfree (®buf);
108 }
109
110 return ret;
111 }
112