Fix fmtmsg addseverity namespace (bug 18539).
[glibc.git] / string / test-strcasestr.c
blob489dc8420572ecfe8fc6f46582fc15d50ec3feae
1 /* Test and measure strcasestr functions.
2 Copyright (C) 2010-2015 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Written by Ulrich Drepper <drepper@redhat.com>, 2010.
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.
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.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
20 #define TEST_MAIN
21 #define TEST_NAME "strcasestr"
22 #include "test-string.h"
25 #define STRCASESTR simple_strcasestr
26 #define NO_ALIAS
27 #define __strncasecmp strncasecmp
28 #include "strcasestr.c"
31 static char *
32 stupid_strcasestr (const char *s1, const char *s2)
34 ssize_t s1len = strlen (s1);
35 ssize_t s2len = strlen (s2);
37 if (s2len > s1len)
38 return NULL;
40 for (ssize_t i = 0; i <= s1len - s2len; ++i)
42 size_t j;
43 for (j = 0; j < s2len; ++j)
44 if (tolower (s1[i + j]) != tolower (s2[j]))
45 break;
46 if (j == s2len)
47 return (char *) s1 + i;
50 return NULL;
54 typedef char *(*proto_t) (const char *, const char *);
56 IMPL (stupid_strcasestr, 0)
57 IMPL (simple_strcasestr, 0)
58 IMPL (strcasestr, 1)
61 static int
62 check_result (impl_t *impl, const char *s1, const char *s2,
63 char *exp_result)
65 char *result = CALL (impl, s1, s2);
66 if (result != exp_result)
68 error (0, 0, "Wrong result in function %s %s %s", impl->name,
69 result, exp_result);
70 ret = 1;
71 return -1;
73 return 0;
76 static void
77 do_one_test (impl_t *impl, const char *s1, const char *s2, char *exp_result)
79 if (check_result (impl, s1, s2, exp_result) < 0)
80 return;
84 static void
85 do_test (size_t align1, size_t align2, size_t len1, size_t len2,
86 int fail)
88 char *s1 = (char *) (buf1 + align1);
89 char *s2 = (char *) (buf2 + align2);
91 static const char d[] = "1234567890abcxyz";
92 #define dl (sizeof (d) - 1)
93 char *ss2 = s2;
94 for (size_t l = len2; l > 0; l = l > dl ? l - dl : 0)
96 size_t t = l > dl ? dl : l;
97 ss2 = mempcpy (ss2, d, t);
99 s2[len2] = '\0';
101 if (fail)
103 char *ss1 = s1;
104 for (size_t l = len1; l > 0; l = l > dl ? l - dl : 0)
106 size_t t = l > dl ? dl : l;
107 memcpy (ss1, d, t);
108 ++ss1[len2 > 7 ? 7 : len2 - 1];
109 ss1 += t;
112 else
114 memset (s1, '0', len1);
115 for (size_t i = 0; i < len2; ++i)
116 s1[len1 - len2 + i] = toupper (s2[i]);
118 s1[len1] = '\0';
120 FOR_EACH_IMPL (impl, 0)
121 do_one_test (impl, s1, s2, fail ? NULL : s1 + len1 - len2);
124 static void
125 check1 (void)
127 const char s1[] = "AOKB";
128 const char s2[] = "OK";
129 char *exp_result;
131 exp_result = stupid_strcasestr (s1, s2);
132 FOR_EACH_IMPL (impl, 0)
133 check_result (impl, s1, s2, exp_result);
136 static int
137 test_main (void)
139 test_init ();
141 check1 ();
143 printf ("%23s", "");
144 FOR_EACH_IMPL (impl, 0)
145 printf ("\t%s", impl->name);
146 putchar ('\n');
148 for (size_t klen = 2; klen < 32; ++klen)
149 for (size_t hlen = 2 * klen; hlen < 16 * klen; hlen += klen)
151 do_test (0, 0, hlen, klen, 0);
152 do_test (0, 0, hlen, klen, 1);
153 do_test (0, 3, hlen, klen, 0);
154 do_test (0, 3, hlen, klen, 1);
155 do_test (0, 9, hlen, klen, 0);
156 do_test (0, 9, hlen, klen, 1);
157 do_test (0, 15, hlen, klen, 0);
158 do_test (0, 15, hlen, klen, 1);
160 do_test (3, 0, hlen, klen, 0);
161 do_test (3, 0, hlen, klen, 1);
162 do_test (3, 3, hlen, klen, 0);
163 do_test (3, 3, hlen, klen, 1);
164 do_test (3, 9, hlen, klen, 0);
165 do_test (3, 9, hlen, klen, 1);
166 do_test (3, 15, hlen, klen, 0);
167 do_test (3, 15, hlen, klen, 1);
169 do_test (9, 0, hlen, klen, 0);
170 do_test (9, 0, hlen, klen, 1);
171 do_test (9, 3, hlen, klen, 0);
172 do_test (9, 3, hlen, klen, 1);
173 do_test (9, 9, hlen, klen, 0);
174 do_test (9, 9, hlen, klen, 1);
175 do_test (9, 15, hlen, klen, 0);
176 do_test (9, 15, hlen, klen, 1);
178 do_test (15, 0, hlen, klen, 0);
179 do_test (15, 0, hlen, klen, 1);
180 do_test (15, 3, hlen, klen, 0);
181 do_test (15, 3, hlen, klen, 1);
182 do_test (15, 9, hlen, klen, 0);
183 do_test (15, 9, hlen, klen, 1);
184 do_test (15, 15, hlen, klen, 0);
185 do_test (15, 15, hlen, klen, 1);
188 do_test (0, 0, page_size - 1, 16, 0);
189 do_test (0, 0, page_size - 1, 16, 1);
191 return ret;
194 #include "../test-skeleton.c"