1 | /* Test and measure strspn functions. |
2 | Copyright (C) 1999-2022 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 | #define TEST_MAIN |
20 | #ifndef WIDE |
21 | # define TEST_NAME "strspn" |
22 | #else |
23 | # define TEST_NAME "wcsspn" |
24 | #endif /* WIDE */ |
25 | #include "test-string.h" |
26 | |
27 | #ifndef WIDE |
28 | # define STRSPN strspn |
29 | # define CHAR char |
30 | # define UCHAR unsigned char |
31 | # define SIMPLE_STRSPN simple_strspn |
32 | # define STUPID_STRSPN stupid_strspn |
33 | # define STRLEN strlen |
34 | # define STRCHR strchr |
35 | # define BIG_CHAR CHAR_MAX |
36 | # define SMALL_CHAR 127 |
37 | #else |
38 | # include <wchar.h> |
39 | # define STRSPN wcsspn |
40 | # define CHAR wchar_t |
41 | # define UCHAR wchar_t |
42 | # define SIMPLE_STRSPN simple_wcsspn |
43 | # define STUPID_STRSPN stupid_wcsspn |
44 | # define STRLEN wcslen |
45 | # define STRCHR wcschr |
46 | # define BIG_CHAR WCHAR_MAX |
47 | # define SMALL_CHAR 1273 |
48 | #endif /* WIDE */ |
49 | |
50 | typedef size_t (*proto_t) (const CHAR *, const CHAR *); |
51 | size_t SIMPLE_STRSPN (const CHAR *, const CHAR *); |
52 | size_t STUPID_STRSPN (const CHAR *, const CHAR *); |
53 | |
54 | IMPL (STUPID_STRSPN, 0) |
55 | IMPL (SIMPLE_STRSPN, 0) |
56 | IMPL (STRSPN, 1) |
57 | |
58 | size_t |
59 | SIMPLE_STRSPN (const CHAR *s, const CHAR *acc) |
60 | { |
61 | const CHAR *r, *str = s; |
62 | CHAR c; |
63 | |
64 | while ((c = *s++) != '\0') |
65 | { |
66 | for (r = acc; *r != '\0'; ++r) |
67 | if (*r == c) |
68 | break; |
69 | if (*r == '\0') |
70 | return s - str - 1; |
71 | } |
72 | return s - str - 1; |
73 | } |
74 | |
75 | size_t |
76 | STUPID_STRSPN (const CHAR *s, const CHAR *acc) |
77 | { |
78 | size_t ns = STRLEN (s), nacc = STRLEN (acc); |
79 | size_t i, j; |
80 | |
81 | for (i = 0; i < ns; ++i) |
82 | { |
83 | for (j = 0; j < nacc; ++j) |
84 | if (s[i] == acc[j]) |
85 | break; |
86 | if (j == nacc) |
87 | return i; |
88 | } |
89 | return i; |
90 | } |
91 | |
92 | static void |
93 | do_one_test (impl_t *impl, const CHAR *s, const CHAR *acc, size_t exp_res) |
94 | { |
95 | size_t res = CALL (impl, s, acc); |
96 | if (res != exp_res) |
97 | { |
98 | error (status: 0, errnum: 0, format: "Wrong result in function %s %p %p" , impl->name, |
99 | (void *) res, (void *) exp_res); |
100 | ret = 1; |
101 | return; |
102 | } |
103 | } |
104 | |
105 | static void |
106 | do_test (size_t align, size_t pos, size_t len) |
107 | { |
108 | size_t i; |
109 | CHAR *acc, *s; |
110 | |
111 | align &= 7; |
112 | if ((align + pos + 10) * sizeof (CHAR) >= page_size || len > 240 || ! len) |
113 | return; |
114 | |
115 | acc = (CHAR *) (buf2) + (random () & 255); |
116 | s = (CHAR *) (buf1) + align; |
117 | |
118 | for (i = 0; i < len; ++i) |
119 | { |
120 | acc[i] = random () & BIG_CHAR; |
121 | if (!acc[i]) |
122 | acc[i] = random () & BIG_CHAR; |
123 | if (!acc[i]) |
124 | acc[i] = 1 + (random () & SMALL_CHAR); |
125 | } |
126 | acc[len] = '\0'; |
127 | |
128 | for (i = 0; i < pos; ++i) |
129 | s[i] = acc[random () % len]; |
130 | s[pos] = random () & BIG_CHAR; |
131 | if (STRCHR (acc, s[pos])) |
132 | s[pos] = '\0'; |
133 | else |
134 | { |
135 | for (i = pos + 1; i < pos + 10; ++i) |
136 | s[i] = random () & BIG_CHAR; |
137 | s[i] = '\0'; |
138 | } |
139 | |
140 | FOR_EACH_IMPL (impl, 0) |
141 | do_one_test (impl, s, acc, exp_res: pos); |
142 | } |
143 | |
144 | static void |
145 | do_random_tests (void) |
146 | { |
147 | size_t i, j, n, align, pos, alen, len; |
148 | UCHAR *p = (UCHAR *) (buf1 + page_size) - 512; |
149 | UCHAR *acc; |
150 | |
151 | for (n = 0; n < ITERATIONS; n++) |
152 | { |
153 | align = random () & 15; |
154 | if (random () & 1) |
155 | alen = random () & 63; |
156 | else |
157 | alen = random () & 15; |
158 | if (!alen) |
159 | pos = 0; |
160 | else |
161 | pos = random () & 511; |
162 | if (pos + align >= 511) |
163 | pos = 510 - align - (random () & 7); |
164 | len = random () & 511; |
165 | if (len + align >= 512) |
166 | len = 511 - align - (random () & 7); |
167 | acc = (UCHAR *) (buf2 + page_size) - alen - 1 - (random () & 7); |
168 | for (i = 0; i < alen; ++i) |
169 | { |
170 | acc[i] = random () & BIG_CHAR; |
171 | if (!acc[i]) |
172 | acc[i] = random () & BIG_CHAR; |
173 | if (!acc[i]) |
174 | acc[i] = 1 + (random () & SMALL_CHAR); |
175 | } |
176 | acc[i] = '\0'; |
177 | j = (pos > len ? pos : len) + align + 64; |
178 | if (j > 512) |
179 | j = 512; |
180 | |
181 | for (i = 0; i < j; i++) |
182 | { |
183 | if (i == len + align) |
184 | p[i] = '\0'; |
185 | else if (i == pos + align) |
186 | { |
187 | p[i] = random () & BIG_CHAR; |
188 | if (STRCHR ((CHAR *) acc, p[i])) |
189 | p[i] = '\0'; |
190 | } |
191 | else if (i < align || i > pos + align) |
192 | p[i] = random () & BIG_CHAR; |
193 | else |
194 | p[i] = acc [random () % alen]; |
195 | } |
196 | |
197 | FOR_EACH_IMPL (impl, 1) |
198 | if (CALL (impl, (CHAR *) (p + align), |
199 | (CHAR *) acc) != (pos < len ? pos : len)) |
200 | { |
201 | error (status: 0, errnum: 0, format: "Iteration %zd - wrong result in function %s (%zd, %p, %zd, %zd, %zd) %zd != %zd" , |
202 | n, impl->name, align, acc, alen, pos, len, |
203 | CALL (impl, (CHAR *) (p + align), (CHAR *) acc), |
204 | (pos < len ? pos : len)); |
205 | ret = 1; |
206 | } |
207 | } |
208 | } |
209 | |
210 | int |
211 | test_main (void) |
212 | { |
213 | size_t i; |
214 | |
215 | test_init (); |
216 | |
217 | printf (format: "%32s" , "" ); |
218 | FOR_EACH_IMPL (impl, 0) |
219 | printf (format: "\t%s" , impl->name); |
220 | putchar (c: '\n'); |
221 | |
222 | for (i = 0; i < 32; ++i) |
223 | { |
224 | do_test (align: 0, pos: 512, len: i); |
225 | do_test (align: i, pos: 512, len: i); |
226 | } |
227 | |
228 | for (i = 1; i < 8; ++i) |
229 | { |
230 | do_test (align: 0, pos: 16 << i, len: 4); |
231 | do_test (align: i, pos: 16 << i, len: 4); |
232 | } |
233 | |
234 | for (i = 1; i < 8; ++i) |
235 | do_test (align: i, pos: 64, len: 10); |
236 | |
237 | for (i = 0; i < 64; ++i) |
238 | do_test (align: 0, pos: i, len: 6); |
239 | |
240 | do_random_tests (); |
241 | return ret; |
242 | } |
243 | |
244 | #include <support/test-driver.c> |
245 | |