]>
Commit | Line | Data |
---|---|---|
58ef9ef7 | 1 | /* Test and measure strcat functions. |
b168057a | 2 | Copyright (C) 1999-2015 Free Software Foundation, Inc. |
58ef9ef7 RM |
3 | This file is part of the GNU C Library. |
4 | Written by Jakub Jelinek <jakub@redhat.com>, 1999. | |
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 | |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
58ef9ef7 RM |
19 | |
20 | #define TEST_MAIN | |
69f07e5f | 21 | #define TEST_NAME "strcat" |
58ef9ef7 RM |
22 | #include "test-string.h" |
23 | ||
24 | typedef char *(*proto_t) (char *, const char *); | |
25 | char *simple_strcat (char *, const char *); | |
26 | ||
27 | IMPL (simple_strcat, 0) | |
28 | IMPL (strcat, 1) | |
29 | ||
30 | char * | |
31 | simple_strcat (char *dst, const char *src) | |
32 | { | |
33 | char *ret = dst; | |
34 | while (*dst++ != '\0'); | |
35 | --dst; | |
36 | while ((*dst++ = *src++) != '\0'); | |
37 | return ret; | |
38 | } | |
39 | ||
40 | static void | |
41 | do_one_test (impl_t *impl, char *dst, const char *src) | |
42 | { | |
43 | size_t k = strlen (dst); | |
44 | if (CALL (impl, dst, src) != dst) | |
45 | { | |
46 | error (0, 0, "Wrong result in function %s %p %p", impl->name, | |
47 | CALL (impl, dst, src), dst); | |
48 | ret = 1; | |
49 | return; | |
50 | } | |
51 | ||
52 | if (strcmp (dst + k, src) != 0) | |
53 | { | |
54 | error (0, 0, "Wrong result in function %s dst \"%s\" src \"%s\"", | |
55 | impl->name, dst, src); | |
56 | ret = 1; | |
57 | return; | |
58 | } | |
58ef9ef7 RM |
59 | } |
60 | ||
61 | static void | |
62 | do_test (size_t align1, size_t align2, size_t len1, size_t len2, int max_char) | |
63 | { | |
64 | size_t i; | |
65 | char *s1, *s2; | |
66 | ||
67 | align1 &= 7; | |
68 | if (align1 + len1 >= page_size) | |
69 | return; | |
70 | ||
71 | align2 &= 7; | |
72 | if (align2 + len1 + len2 >= page_size) | |
73 | return; | |
74 | ||
0317eaec RM |
75 | s1 = (char *) (buf1 + align1); |
76 | s2 = (char *) (buf2 + align2); | |
58ef9ef7 RM |
77 | |
78 | for (i = 0; i < len1; ++i) | |
79 | s1[i] = 32 + 23 * i % (max_char - 32); | |
80 | s1[len1] = '\0'; | |
81 | ||
82 | for (i = 0; i < len2; i++) | |
83 | s2[i] = 32 + 23 * i % (max_char - 32); | |
84 | ||
58ef9ef7 RM |
85 | FOR_EACH_IMPL (impl, 0) |
86 | { | |
87 | s2[len2] = '\0'; | |
88 | do_one_test (impl, s2, s1); | |
89 | } | |
58ef9ef7 RM |
90 | } |
91 | ||
92 | static void | |
93 | do_random_tests (void) | |
94 | { | |
95 | size_t i, j, n, align1, align2, len1, len2; | |
96 | unsigned char *p1 = buf1 + page_size - 512; | |
97 | unsigned char *p2 = buf2 + page_size - 512; | |
98 | unsigned char *res; | |
99 | ||
100 | for (n = 0; n < ITERATIONS; n++) | |
101 | { | |
102 | align1 = random () & 31; | |
103 | if (random () & 1) | |
104 | align2 = random () & 31; | |
105 | else | |
106 | align2 = align1 + (random () & 24); | |
107 | len1 = random () & 511; | |
108 | if (len1 + align2 > 512) | |
109 | len2 = random () & 7; | |
110 | else | |
111 | len2 = (512 - len1 - align2) * (random () & (1024 * 1024 - 1)) | |
112 | / (1024 * 1024); | |
113 | j = align1; | |
114 | if (align2 + len2 > j) | |
115 | j = align2 + len2; | |
116 | if (len1 + j >= 511) | |
117 | len1 = 510 - j - (random () & 7); | |
118 | if (len1 >= 512) | |
119 | len1 = 0; | |
120 | if (align1 + len1 < 512 - 8) | |
121 | { | |
122 | j = 510 - align1 - len1 - (random () & 31); | |
123 | if (j > 0 && j < 512) | |
124 | align1 += j; | |
125 | } | |
126 | j = len1 + align1 + 64; | |
127 | if (j > 512) | |
128 | j = 512; | |
129 | for (i = 0; i < j; i++) | |
130 | { | |
131 | if (i == len1 + align1) | |
132 | p1[i] = 0; | |
133 | else | |
134 | { | |
135 | p1[i] = random () & 255; | |
136 | if (i >= align1 && i < len1 + align1 && !p1[i]) | |
137 | p1[i] = (random () & 127) + 3; | |
138 | } | |
139 | } | |
140 | for (i = 0; i < len2; i++) | |
141 | { | |
142 | buf1[i] = random () & 255; | |
143 | if (!buf1[i]) | |
144 | buf1[i] = (random () & 127) + 3; | |
145 | } | |
146 | buf1[len2] = 0; | |
147 | ||
148 | FOR_EACH_IMPL (impl, 1) | |
149 | { | |
150 | memset (p2 - 64, '\1', align2 + 64); | |
151 | memset (p2 + align2 + len2 + 1, '\1', 512 - align2 - len2 - 1); | |
152 | memcpy (p2 + align2, buf1, len2 + 1); | |
0317eaec RM |
153 | res = (unsigned char *) CALL (impl, (char *) (p2 + align2), |
154 | (char *) (p1 + align1)); | |
58ef9ef7 RM |
155 | if (res != p2 + align2) |
156 | { | |
157 | error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd %zd) %p != %p", | |
158 | n, impl->name, align1, align2, len1, len2, res, | |
159 | p2 + align2); | |
160 | ret = 1; | |
161 | } | |
162 | for (j = 0; j < align2 + 64; ++j) | |
163 | { | |
164 | if (p2[j - 64] != '\1') | |
165 | { | |
166 | error (0, 0, "Iteration %zd - garbage before, %s (%zd, %zd, %zd, %zd)", | |
167 | n, impl->name, align1, align2, len1, len2); | |
168 | ret = 1; | |
169 | break; | |
170 | } | |
171 | } | |
172 | if (memcmp (p2 + align2, buf1, len2)) | |
173 | { | |
174 | error (0, 0, "Iteration %zd - garbage in string before, %s (%zd, %zd, %zd, %zd)", | |
175 | n, impl->name, align1, align2, len1, len2); | |
176 | ret = 1; | |
177 | } | |
178 | for (j = align2 + len1 + len2 + 1; j < 512; ++j) | |
179 | { | |
180 | if (p2[j] != '\1') | |
181 | { | |
182 | error (0, 0, "Iteration %zd - garbage after, %s (%zd, %zd, %zd, %zd)", | |
183 | n, impl->name, align1, align2, len1, len2); | |
184 | ret = 1; | |
185 | break; | |
186 | } | |
187 | } | |
188 | if (memcmp (p1 + align1, p2 + align2 + len2, len1 + 1)) | |
189 | { | |
190 | error (0, 0, "Iteration %zd - different strings, %s (%zd, %zd, %zd, %zd)", | |
191 | n, impl->name, align1, align2, len1, len2); | |
192 | ret = 1; | |
193 | } | |
194 | } | |
195 | } | |
196 | } | |
197 | ||
198 | int | |
199 | test_main (void) | |
200 | { | |
201 | size_t i; | |
202 | ||
203 | test_init (); | |
204 | ||
205 | printf ("%28s", ""); | |
206 | FOR_EACH_IMPL (impl, 0) | |
207 | printf ("\t%s", impl->name); | |
208 | putchar ('\n'); | |
209 | ||
210 | for (i = 0; i < 16; ++i) | |
211 | { | |
212 | do_test (0, 0, i, i, 127); | |
213 | do_test (0, 0, i, i, 255); | |
214 | do_test (0, i, i, i, 127); | |
215 | do_test (i, 0, i, i, 255); | |
216 | } | |
217 | ||
218 | for (i = 1; i < 8; ++i) | |
219 | { | |
220 | do_test (0, 0, 8 << i, 8 << i, 127); | |
221 | do_test (8 - i, 2 * i, 8 << i, 8 << i, 127); | |
222 | do_test (0, 0, 8 << i, 2 << i, 127); | |
223 | do_test (8 - i, 2 * i, 8 << i, 2 << i, 127); | |
224 | } | |
225 | ||
226 | for (i = 1; i < 8; ++i) | |
227 | { | |
228 | do_test (i, 2 * i, 8 << i, 1, 127); | |
229 | do_test (2 * i, i, 8 << i, 1, 255); | |
230 | do_test (i, i, 8 << i, 10, 127); | |
231 | do_test (i, i, 8 << i, 10, 255); | |
232 | } | |
233 | ||
234 | do_random_tests (); | |
235 | return ret; | |
236 | } | |
237 | ||
238 | #include "../test-skeleton.c" |