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#include "libft.h"
#include "test_utils.h"
_S_CRASH (ft_strlen_null, ft_strlen (NULL))
_S_CRASH (strlen_null, strlen (NULL))
static void
_s_test_empty (void)
{
_s_check_eq ("ft_strlen", ft_strlen (""), 0);
_s_check_eq ("libc strlen", strlen (""), 0);
}
static void
_s_test_null (void)
{
_s_check_both_crash ("strlen NULL", _s_crash_ft_strlen_null,
_s_crash_strlen_null);
}
static void
_s_test_random (int n)
{
int i;
int len;
char *buf;
char label[64];
for (i = 0; i < n; i++)
{
len = rand () % 10000;
buf = malloc (len + 1);
if (!buf)
{
_s_check ("malloc", 0);
return;
}
memset (buf, 'A' + (i % 26), len);
buf[len] = '\0';
snprintf (label, sizeof (label), "random len=%d", len);
_s_check_eq (label, ft_strlen (buf), strlen (buf));
free (buf);
}
}
static void
_s_test_large (void)
{
size_t len;
char *buf;
len = 100 * 1024 * 1024;
buf = malloc (len + 1);
if (!buf)
{
printf (" SKIP could not allocate %zu bytes\n", len);
return;
}
memset (buf, 'X', len);
buf[len] = '\0';
_s_check_eq ("100 MB string", ft_strlen (buf), len);
free (buf);
}
int
main (void)
{
srand (time (NULL));
_s_section ("ft_strlen");
_s_test_empty ();
_s_test_null ();
_s_test_random (100);
_s_test_large ();
_s_print_results ();
return (_s_fail != 0);
}
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