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Add strdup tests

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Colin Leroy-Mira 2024-01-05 19:38:51 +01:00
parent 1b5371b42d
commit 169c9c0da0
1 changed files with 60 additions and 0 deletions
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60
test/val/lib_common_strdup.c Normal file
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#include <string.h>
#include "unittest.h"
#define SHORT_STR "abcdefghijklmnopqrstuvwxyz"
#define MID_STR_LEN 700 /* Two pages and something */
#define LONG_STR_LEN 40000UL /* Two long to duplicate */
TEST
{
char *dst;
char *src;
int i;
dst = strdup("");
ASSERT_IsTrue(dst != NULL, "strdup returned NULL")
ASSERT_IsTrue(!strcmp(dst, ""), "strings differ");
free(dst);
dst = strdup(SHORT_STR);
ASSERT_IsTrue(dst != NULL, "strdup returned NULL");
ASSERT_IsTrue(strlen(dst) == strlen(SHORT_STR), "string lengths differ");
ASSERT_IsTrue(!strcmp(dst, SHORT_STR), "strings differ");
free(dst);
src = malloc(MID_STR_LEN+1);
ASSERT_IsTrue(src != NULL, "Could not allocate source string");
memset(src, 'a', MID_STR_LEN-1);
src[MID_STR_LEN] = '\0';
dst = strdup(src);
ASSERT_IsTrue(dst != NULL, "strdup returned NULL");
printf("strlens %zu %zu\n", strlen(src), strlen(dst));
ASSERT_IsTrue(strlen(dst) == strlen(src), "string lengths differ");
ASSERT_IsTrue(!strcmp(dst, src), "strings differ");
free(dst);
free(src);
src = malloc(LONG_STR_LEN+1);
ASSERT_IsTrue(src != NULL, "Could not allocate source string");
memset(src, 'a', LONG_STR_LEN-1);
src[LONG_STR_LEN] = '\0';
dst = strdup(src);
ASSERT_IsTrue(dst == NULL, "strdup did not return NULL");
free(src);
for (i = 254; i < 258; i++) {
src = malloc(i+1);
memset(src, 'a', i-1);
src[i] = '\0';
dst = strdup(src);
ASSERT_IsTrue(dst != NULL, "strdup returned NULL");
ASSERT_IsTrue(strlen(dst) == strlen(src), "string lengths differ");
ASSERT_IsTrue(!strcmp(dst, src), "strings differ");
free (dst);
free(src);
}
}
ENDTEST