aboutsummaryrefslogtreecommitdiffstats
path: root/tests/test_mem.c
diff options
context:
space:
mode:
Diffstat (limited to 'tests/test_mem.c')
-rw-r--r--tests/test_mem.c296
1 files changed, 0 insertions, 296 deletions
diff --git a/tests/test_mem.c b/tests/test_mem.c
deleted file mode 100644
index adbe12d..0000000
--- a/tests/test_mem.c
+++ /dev/null
@@ -1,296 +0,0 @@
-#include "../libft.h"
-#include "test_utils.h"
-#include <strings.h>
-
-static void
-_s_ft_memset_null (void)
-{
- _s_sink = (size_t)ft_memset (NULL, 'A', 10);
-}
-static void
-_s_libc_memset_null (void)
-{
- _s_sink = (size_t)memset (NULL, 'A', 10);
-}
-static void
-_s_ft_bzero_null (void)
-{
- ft_bzero (NULL, 10);
-}
-static void
-_s_libc_bzero_null (void)
-{
- bzero (NULL, 10);
-}
-static void
-_s_ft_memcpy_null_dst (void)
-{
- char buf[10];
- _s_sink = (size_t)ft_memcpy (NULL, buf, 10);
-}
-static void
-_s_libc_memcpy_null_dst (void)
-{
- char buf[10];
- _s_sink = (size_t)memcpy (NULL, buf, 10);
-}
-static void
-_s_ft_memcpy_null_src (void)
-{
- char buf[10];
- _s_sink = (size_t)ft_memcpy (buf, NULL, 10);
-}
-static void
-_s_libc_memcpy_null_src (void)
-{
- char buf[10];
- _s_sink = (size_t)memcpy (buf, NULL, 10);
-}
-static void
-_s_ft_memmove_null_dst (void)
-{
- char buf[10];
- _s_sink = (size_t)ft_memmove (NULL, buf, 10);
-}
-static void
-_s_libc_memmove_null_dst (void)
-{
- char buf[10];
- _s_sink = (size_t)memmove (NULL, buf, 10);
-}
-static void
-_s_ft_memmove_null_src (void)
-{
- char buf[10];
- _s_sink = (size_t)ft_memmove (buf, NULL, 10);
-}
-static void
-_s_libc_memmove_null_src (void)
-{
- char buf[10];
- _s_sink = (size_t)memmove (buf, NULL, 10);
-}
-
-/* ======================================
- * memset
- * ====================================== */
-
-static void
-_s_test_memset (void)
-{
- char ft_buf[256];
- char libc_buf[256];
- int i;
- int c;
- size_t len;
- void *ret;
- char label[64];
-
- printf ("-- memset --\n");
-
- /* NULL */
- _s_check_both_crash ("memset NULL", _s_ft_memset_null, _s_libc_memset_null);
-
- /* zero length */
- memset (ft_buf, 'X', 256);
- memset (libc_buf, 'X', 256);
- ft_memset (ft_buf, 'A', 0);
- memset (libc_buf, 'A', 0);
- _s_check ("n=0", memcmp (ft_buf, libc_buf, 256) == 0);
-
- /* return value */
- ret = ft_memset (ft_buf, 'B', 10);
- _s_check ("return value", ret == ft_buf);
-
- /* randomized */
- srand (time (NULL));
- for (i = 0; i < 50; i++)
- {
- c = rand () % 256;
- len = rand () % 256;
- ft_memset (ft_buf, c, len);
- memset (libc_buf, c, len);
- snprintf (label, sizeof (label), "random c=%d len=%zu", c, len);
- _s_check (label, memcmp (ft_buf, libc_buf, len) == 0);
- }
-}
-
-/* ======================================
- * bzero
- * ====================================== */
-
-static void
-_s_test_bzero (void)
-{
- char ft_buf[256];
- char libc_buf[256];
- int i;
- size_t len;
- char label[64];
-
- printf ("-- bzero --\n");
-
- /* NULL */
- _s_check_both_crash ("bzero NULL", _s_ft_bzero_null, _s_libc_bzero_null);
-
- /* zero length */
- memset (ft_buf, 'X', 256);
- memset (libc_buf, 'X', 256);
- ft_bzero (ft_buf, 0);
- bzero (libc_buf, 0);
- _s_check ("n=0", memcmp (ft_buf, libc_buf, 256) == 0);
-
- /* full clear */
- memset (ft_buf, 'X', 256);
- memset (libc_buf, 'X', 256);
- ft_bzero (ft_buf, 256);
- bzero (libc_buf, 256);
- _s_check ("n=256", memcmp (ft_buf, libc_buf, 256) == 0);
-
- /* randomized */
- for (i = 0; i < 50; i++)
- {
- len = rand () % 256;
- memset (ft_buf, 'Z', 256);
- memset (libc_buf, 'Z', 256);
- ft_bzero (ft_buf, len);
- bzero (libc_buf, len);
- snprintf (label, sizeof (label), "random len=%zu", len);
- _s_check (label, memcmp (ft_buf, libc_buf, 256) == 0);
- }
-}
-
-/* ======================================
- * memcpy
- * ====================================== */
-
-static void
-_s_test_memcpy (void)
-{
- char src[256];
- char ft_dst[256];
- char libc_dst[256];
- int i;
- size_t len;
- void *ret;
- char label[64];
-
- printf ("-- memcpy --\n");
-
- /* NULL */
- _s_check_both_crash ("memcpy NULL dst", _s_ft_memcpy_null_dst,
- _s_libc_memcpy_null_dst);
- _s_check_both_crash ("memcpy NULL src", _s_ft_memcpy_null_src,
- _s_libc_memcpy_null_src);
-
- /* fill source with pattern */
- for (i = 0; i < 256; i++)
- src[i] = i;
-
- /* zero length */
- memset (ft_dst, 'X', 256);
- memset (libc_dst, 'X', 256);
- ft_memcpy (ft_dst, src, 0);
- memcpy (libc_dst, src, 0);
- _s_check ("n=0", memcmp (ft_dst, libc_dst, 256) == 0);
-
- /* return value */
- ret = ft_memcpy (ft_dst, src, 10);
- _s_check ("return value", ret == ft_dst);
-
- /* NULL src and dst with n=0 */
- ret = ft_memcpy (NULL, NULL, 0);
- _s_check ("NULL,NULL,0", ret == NULL);
-
- /* randomized */
- for (i = 0; i < 50; i++)
- {
- len = rand () % 256;
- memset (ft_dst, 0, 256);
- memset (libc_dst, 0, 256);
- ft_memcpy (ft_dst, src, len);
- memcpy (libc_dst, src, len);
- snprintf (label, sizeof (label), "random len=%zu", len);
- _s_check (label, memcmp (ft_dst, libc_dst, 256) == 0);
- }
-}
-
-/* ======================================
- * memmove
- * ====================================== */
-
-static void
-_s_test_memmove (void)
-{
- char ft_buf[256];
- char libc_buf[256];
- int i;
- size_t len;
- size_t offset;
- void *ret;
- char label[64];
-
- printf ("-- memmove --\n");
-
- /* NULL */
- _s_check_both_crash ("memmove NULL dst", _s_ft_memmove_null_dst,
- _s_libc_memmove_null_dst);
- _s_check_both_crash ("memmove NULL src", _s_ft_memmove_null_src,
- _s_libc_memmove_null_src);
-
- /* return value */
- memset (ft_buf, 'A', 256);
- ret = ft_memmove (ft_buf, ft_buf + 10, 10);
- _s_check ("return value", ret == ft_buf);
-
- /* NULL src and dst with n=0 */
- ret = ft_memmove (NULL, NULL, 0);
- _s_check ("NULL,NULL,0", ret == NULL);
-
- /* forward overlap: src before dest */
- for (i = 0; i < 256; i++)
- ft_buf[i] = libc_buf[i] = i;
- ft_memmove (ft_buf + 10, ft_buf, 100);
- memmove (libc_buf + 10, libc_buf, 100);
- _s_check ("forward overlap", memcmp (ft_buf, libc_buf, 256) == 0);
-
- /* backward overlap: dest before src */
- for (i = 0; i < 256; i++)
- ft_buf[i] = libc_buf[i] = i;
- ft_memmove (ft_buf, ft_buf + 10, 100);
- memmove (libc_buf, libc_buf + 10, 100);
- _s_check ("backward overlap", memcmp (ft_buf, libc_buf, 256) == 0);
-
- /* non-overlapping */
- for (i = 0; i < 256; i++)
- ft_buf[i] = libc_buf[i] = i;
- ft_memmove (ft_buf + 128, ft_buf, 50);
- memmove (libc_buf + 128, libc_buf, 50);
- _s_check ("non-overlapping", memcmp (ft_buf, libc_buf, 256) == 0);
-
- /* randomized overlapping copies */
- for (i = 0; i < 50; i++)
- {
- for (int j = 0; j < 256; j++)
- ft_buf[j] = libc_buf[j] = rand () % 256;
- len = rand () % 128 + 1;
- offset = rand () % 128;
- ft_memmove (ft_buf + offset, ft_buf, len);
- memmove (libc_buf + offset, libc_buf, len);
- snprintf (label, sizeof (label), "random overlap len=%zu off=%zu", len,
- offset);
- _s_check (label, memcmp (ft_buf, libc_buf, 256) == 0);
- }
-}
-
-int
-main (void)
-{
- printf ("=== mem functions ===\n");
- _s_test_memset ();
- _s_test_bzero ();
- _s_test_memcpy ();
- _s_test_memmove ();
- _s_print_results ();
- return (_s_fail != 0);
-}
generated by cgit v1.2.3 (git 2.46.0) at 2026-04-16 21:15:04 +0000