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* string/tester.c (test_strnlen): New function.

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(test_strchr): Call it.
	(test_strncat): Test lengths where the sign bit is set.
	(test_strncmp): Likewise.
This commit is contained in:
Roland McGrath 2006-02-20 21:48:49 +00:00
parent 25bc77e6da
commit 24d58fb41d
2 changed files with 38 additions and 0 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2006-02-13 Mike Frysinger <vapier@gentoo.org>
* string/tester.c (test_strnlen): New function.
(test_strchr): Call it.
(test_strncat): Test lengths where the sign bit is set.
(test_strncmp): Likewise.
2006-02-17 Jakub Jelinek <jakub@redhat.com>
* include/atomic.h (atomic_and, atomic_or): Define.

31
string/tester.c
View File

@ -344,6 +344,9 @@ test_strncat (void)
(void) strncat (one, "gh", 2);
equal (one, "abcdgh", 12); /* Count and length equal. */
(void) strncat (one, "ij", (size_t)-1); /* set sign bit in count */
equal (one, "abcdghij", 13);
}
static void
@ -364,6 +367,8 @@ test_strncmp (void)
check (strncmp ("abce", "abc", 3) == 0, 11); /* Count == length. */
check (strncmp ("abcd", "abce", 4) < 0, 12); /* Nudging limit. */
check (strncmp ("abc", "def", 0) == 0, 13); /* Zero count. */
check (strncmp ("abc", "", (size_t)-1) > 0, 14); /* set sign bit in count */
check (strncmp ("abc", "abc", (size_t)-2) == 0, 15);
}
static void
@ -429,6 +434,29 @@ test_strlen (void)
}
}
static void
test_strnlen (void)
{
it = "strnlen";
check (strnlen ("", 10) == 0, 1); /* Empty. */
check (strnlen ("a", 10) == 1, 2); /* Single char. */
check (strnlen ("abcd", 10) == 4, 3); /* Multiple chars. */
check (strnlen ("foo", (size_t)-1) == 3, 4); /* limits of n. */
{
char buf[4096];
int i;
char *p;
for (i=0; i < 0x100; i++)
{
p = (char *) ((unsigned long int)(buf + 0xff) & ~0xff) + i;
strcpy (p, "OK");
strcpy (p+3, "BAD/WRONG");
check (strnlen (p, 100) == 2, 5+i);
}
}
}
static void
test_strchr (void)
{
@ -1382,6 +1410,9 @@ main (void)
/* strlen. */
test_strlen ();
/* strnlen. */
test_strnlen ();
/* strchr. */
test_strchr ();