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Add strndup ENOMEM test

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This commit is contained in:
Colin Leroy-Mira
2025-07-05 12:31:26 +02:00
parent 6604c5ce92
commit fb7afcfee9
1 changed files with 13 additions and 0 deletions
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13
test/val/lib_common_strndup.c
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@@ -1,4 +1,5 @@
#include <string.h> #include <string.h>
#include <errno.h>
#include "unittest.h" #include "unittest.h"
#define SHORT_STR "abcdefghijklmnopqrstuvwxyz" #define SHORT_STR "abcdefghijklmnopqrstuvwxyz"
@@ -56,5 +57,17 @@ TEST
free(dst); free(dst);
} }
src = malloc(LONG_STR_LEN+1);
ASSERT_IsTrue(src != NULL, "Could not allocate source string");
memset(src, 'a', LONG_STR_LEN);
src[LONG_STR_LEN] = '\0';
dst = strndup(src, 30);
ASSERT_IsTrue(dst != NULL, "strndup returned NULL");
free(dst);
dst = strndup(src, LONG_STR_LEN);
ASSERT_IsTrue(errno == ENOMEM, "error is not ENOMEM");
ASSERT_IsTrue(dst == NULL, "strndup did not return NULL");
} }
ENDTEST ENDTEST