1 /* Test and measure strcat functions.
2 Copyright (C) 1999, 2002 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Written by Jakub Jelinek <jakub@redhat.com>, 1999.
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, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 #include "test-string.h"
24 typedef char *(*proto_t
) (char *, const char *);
25 char *simple_strcat (char *, const char *);
27 IMPL (simple_strcat
, 0)
31 simple_strcat (char *dst
, const char *src
)
34 while (*dst
++ != '\0');
36 while ((*dst
++ = *src
++) != '\0');
41 do_one_test (impl_t
*impl
, char *dst
, const char *src
)
43 size_t k
= strlen (dst
);
44 if (CALL (impl
, dst
, src
) != dst
)
46 error (0, 0, "Wrong result in function %s %p %p", impl
->name
,
47 CALL (impl
, dst
, src
), dst
);
52 if (strcmp (dst
+ k
, src
) != 0)
54 error (0, 0, "Wrong result in function %s dst \"%s\" src \"%s\"",
55 impl
->name
, dst
, src
);
62 hp_timing_t start
, stop
, best_time
= ~ (hp_timing_t
) 0;
65 for (i
= 0; i
< 32; ++i
)
68 HP_TIMING_NOW (start
);
69 CALL (impl
, dst
, src
);
71 HP_TIMING_BEST (best_time
, start
, stop
);
74 printf ("\t%zd", (size_t) best_time
);
79 do_test (size_t align1
, size_t align2
, size_t len1
, size_t len2
, int max_char
)
85 if (align1
+ len1
>= page_size
)
89 if (align2
+ len1
+ len2
>= page_size
)
95 for (i
= 0; i
< len1
; ++i
)
96 s1
[i
] = 32 + 23 * i
% (max_char
- 32);
99 for (i
= 0; i
< len2
; i
++)
100 s2
[i
] = 32 + 23 * i
% (max_char
- 32);
103 printf ("Length %4zd/%4zd, alignment %2zd/%2zd:", len1
, len2
, align1
, align2
);
105 FOR_EACH_IMPL (impl
, 0)
108 do_one_test (impl
, s2
, s1
);
116 do_random_tests (void)
118 size_t i
, j
, n
, align1
, align2
, len1
, len2
;
119 unsigned char *p1
= buf1
+ page_size
- 512;
120 unsigned char *p2
= buf2
+ page_size
- 512;
123 for (n
= 0; n
< ITERATIONS
; n
++)
125 align1
= random () & 31;
127 align2
= random () & 31;
129 align2
= align1
+ (random () & 24);
130 len1
= random () & 511;
131 if (len1
+ align2
> 512)
132 len2
= random () & 7;
134 len2
= (512 - len1
- align2
) * (random () & (1024 * 1024 - 1))
137 if (align2
+ len2
> j
)
140 len1
= 510 - j
- (random () & 7);
143 if (align1
+ len1
< 512 - 8)
145 j
= 510 - align1
- len1
- (random () & 31);
146 if (j
> 0 && j
< 512)
149 j
= len1
+ align1
+ 64;
152 for (i
= 0; i
< j
; i
++)
154 if (i
== len1
+ align1
)
158 p1
[i
] = random () & 255;
159 if (i
>= align1
&& i
< len1
+ align1
&& !p1
[i
])
160 p1
[i
] = (random () & 127) + 3;
163 for (i
= 0; i
< len2
; i
++)
165 buf1
[i
] = random () & 255;
167 buf1
[i
] = (random () & 127) + 3;
171 FOR_EACH_IMPL (impl
, 1)
173 memset (p2
- 64, '\1', align2
+ 64);
174 memset (p2
+ align2
+ len2
+ 1, '\1', 512 - align2
- len2
- 1);
175 memcpy (p2
+ align2
, buf1
, len2
+ 1);
176 res
= CALL (impl
, p2
+ align2
, p1
+ align1
);
177 if (res
!= p2
+ align2
)
179 error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd %zd) %p != %p",
180 n
, impl
->name
, align1
, align2
, len1
, len2
, res
,
184 for (j
= 0; j
< align2
+ 64; ++j
)
186 if (p2
[j
- 64] != '\1')
188 error (0, 0, "Iteration %zd - garbage before, %s (%zd, %zd, %zd, %zd)",
189 n
, impl
->name
, align1
, align2
, len1
, len2
);
194 if (memcmp (p2
+ align2
, buf1
, len2
))
196 error (0, 0, "Iteration %zd - garbage in string before, %s (%zd, %zd, %zd, %zd)",
197 n
, impl
->name
, align1
, align2
, len1
, len2
);
200 for (j
= align2
+ len1
+ len2
+ 1; j
< 512; ++j
)
204 error (0, 0, "Iteration %zd - garbage after, %s (%zd, %zd, %zd, %zd)",
205 n
, impl
->name
, align1
, align2
, len1
, len2
);
210 if (memcmp (p1
+ align1
, p2
+ align2
+ len2
, len1
+ 1))
212 error (0, 0, "Iteration %zd - different strings, %s (%zd, %zd, %zd, %zd)",
213 n
, impl
->name
, align1
, align2
, len1
, len2
);
228 FOR_EACH_IMPL (impl
, 0)
229 printf ("\t%s", impl
->name
);
232 for (i
= 0; i
< 16; ++i
)
234 do_test (0, 0, i
, i
, 127);
235 do_test (0, 0, i
, i
, 255);
236 do_test (0, i
, i
, i
, 127);
237 do_test (i
, 0, i
, i
, 255);
240 for (i
= 1; i
< 8; ++i
)
242 do_test (0, 0, 8 << i
, 8 << i
, 127);
243 do_test (8 - i
, 2 * i
, 8 << i
, 8 << i
, 127);
244 do_test (0, 0, 8 << i
, 2 << i
, 127);
245 do_test (8 - i
, 2 * i
, 8 << i
, 2 << i
, 127);
248 for (i
= 1; i
< 8; ++i
)
250 do_test (i
, 2 * i
, 8 << i
, 1, 127);
251 do_test (2 * i
, i
, 8 << i
, 1, 255);
252 do_test (i
, i
, 8 << i
, 10, 127);
253 do_test (i
, i
, 8 << i
, 10, 255);
260 #include "../test-skeleton.c"