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* string/test-strchr.c (stupid_strchr): New function.

Browse Source 
(do_random_tests): Make sure the string is zero terminated.
	* string/test-strpbrk.c (stupid_strpbrk): New function.
	(do_random_tests): Make sure the string is zero terminated.
	* string/test-strcmp.c (stupid_strcmp): New function.
	(do_random_tests): Make sure the strings are zero terminated.
	* string/test-strspn.c (stupid_strspn): New function.
	(simple_strspn): Rename rej argument to acc.
	(do_random_tests): Make sure the string is zero terminated.
	* string/test-strcspn.c (stupid_strcspn): New function.
	* string/test-strncpy.c (stupid_strncpy): New function.
	* string/test-stpncpy.c (stupid_stpncpy): New function.
	* string/test-strncmp.c (stupid_strncmp): New function.
	(do_random_tests): Make sure the strings are zero terminated.
	* string/test-string.h (impl_t): Change test into long.
	(IMPL): Add __attribute__((aligned (sizeof (void *)))).
This commit is contained in:
Roland McGrath
2002-11-08 22:10:01 +00:00
parent e0bc9a8d13
commit e8c1660f7b
10 changed files with 233 additions and 86 deletions
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56
string/test-strncmp.c
View File

@ -23,7 +23,9 @@
typedef int (*proto_t) (const char *, const char *, size_t);
int simple_strncmp (const char *, const char *, size_t);
int stupid_strncmp (const char *, const char *, size_t);
IMPL (stupid_strncmp, 0)
IMPL (simple_strncmp, 0)
IMPL (strncmp, 1)
@ -37,6 +39,18 @@ simple_strncmp (const char *s1, const char *s2, size_t n)
return ret;
}
int
stupid_strncmp (const char *s1, const char *s2, size_t n)
{
size_t ns1 = strlen (s1) + 1, ns2 = strlen (s2) + 1;
int ret = 0;
n = ns1 < n ? ns1 : n;
n = ns2 < n ? ns2 : n;
while (n-- && (ret = *(unsigned char *) s1++ - * (unsigned char *) s2++) == 0);
return ret;
}
static void
do_one_test (impl_t *impl, const char *s1, const char *s2, size_t n,
int exp_result)
@ -117,7 +131,7 @@ do_test (size_t align1, size_t align2, size_t len, size_t n, int max_char,
static void
do_random_tests (void)
{
size_t i, j, n, align1, align2, pos, len, size;
size_t i, j, n, align1, align2, pos, len1, len2, size;
int result, r;
unsigned char *p1 = buf1 + page_size - 512;
unsigned char *p2 = buf2 + page_size - 512;
@ -131,22 +145,25 @@ do_random_tests (void)
align2 = align1 + (random () & 24);
pos = random () & 511;
size = random () & 511;
j = align1;
if (align2 > j)
j = align2;
j = align1 > align2 ? align1 : align2;
if (pos + j >= 511)
pos = 510 - j - (random () & 7);
len = random () & 511;
if (pos >= len)
len = pos + (random () & 7);
if (len + j >= 512)
len = 511 - j - (random () & 7);
j = len + align1 + 64;
if (j > 512) j = 512;
len1 = random () & 511;
if (pos >= len1 && (random () & 1))
len1 = pos + (random () & 7);
if (len1 + j >= 512)
len1 = 511 - j - (random () & 7);
if (pos >= len1)
len2 = len1;
else
len2 = len1 + (len1 != 511 - j ? random () % (511 - j - len1) : 0);
j = (pos > len2 ? pos : len2) + align1 + 64;
if (j > 512)
j = 512;
for (i = 0; i < j; ++i)
{
p1[i] = random () & 255;
if (i < len + align1 && !p1[i])
if (i < len1 + align1 && !p1[i])
{
p1[i] = random () & 255;
if (!p1[i])
@ -156,7 +173,7 @@ do_random_tests (void)
for (i = 0; i < j; ++i)
{
p2[i] = random () & 255;
if (i < len + align2 && !p2[i])
if (i < len2 + align2 && !p2[i])
{
p2[i] = random () & 255;
if (!p2[i])
@ -166,12 +183,7 @@ do_random_tests (void)
result = 0;
memcpy (p2 + align2, p1 + align1, pos);
if (pos >= len)
{
p1[len + align1] = 0;
p2[len + align2] = 0;
}
else
if (pos < len1)
{
if (p2[align2 + pos] == p1[align1 + pos])
{
@ -188,6 +200,8 @@ do_random_tests (void)
result = 1;
}
}
p1[len1 + align1] = 0;
p2[len2 + align2] = 0;
FOR_EACH_IMPL (impl, 1)
{
@ -196,8 +210,8 @@ do_random_tests (void)
|| (r < 0 && result >= 0)
|| (r > 0 && result <= 0))
{
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd, %zd, %zd) %d != %d, p1 %p p2 %p",
n, impl->name, align1, align2, len, pos, size, r, result, p1, p2);
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd, %zd, %zd, %zd) %d != %d, p1 %p p2 %p",
n, impl->name, align1, align2, len1, len2, pos, size, r, result, p1, p2);
ret = 1;
}
}