diff options
Diffstat (limited to 'tests/commonlib/bsd')
| -rw-r--r-- | tests/commonlib/bsd/string-test.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/tests/commonlib/bsd/string-test.c b/tests/commonlib/bsd/string-test.c index 29e3977675..37419f049d 100644 --- a/tests/commonlib/bsd/string-test.c +++ b/tests/commonlib/bsd/string-test.c @@ -2,6 +2,7 @@ #include <commonlib/bsd/string.h> #include <stddef.h> +#include <string.h> #include <tests/test.h> static void test_strlen(void **state) @@ -38,6 +39,77 @@ static void test_strnlen(void **state) assert_int_equal(0, strnlen("", 3)); } +static void test_strcat(void **state) +{ + static const char str[] = "Hello "; + size_t len = __builtin_strlen(str); + static const char src[] = "World"; + static const char expected[] = "Hello World"; + size_t expected_len = __builtin_strlen(expected); + char dst[100]; + char *ret; + + /* Empty src & dst */ + dst[0] = '\0'; + memset(dst + 1, 0xee, sizeof(dst) - 1); + ret = strcat(dst, ""); + assert_ptr_equal(dst, ret); + assert_int_equal('\0', dst[0]); + + /* Empty src */ + memcpy(dst, str, len + 1); + memset(dst + len + 1, 0xee, sizeof(dst) - len - 1); + ret = strcat(dst, ""); + assert_memory_equal(str, dst, len + 1); + + /* Empty dst */ + memset(dst, 0x0, sizeof(dst)); + memset(dst + 1, 0xee, sizeof(dst) - 1); + ret = strcat(dst, src); + assert_ptr_equal(dst, ret); + assert_memory_equal(src, dst, __builtin_strlen(src) + 1); + + /* Non-empty str & dst */ + memcpy(dst, str, len + 1); + memset(dst + len + 1, 0xee, sizeof(dst) - len - 1); + ret = strcat(dst, src); + assert_ptr_equal(dst, ret); + assert_memory_equal(expected, dst, expected_len + 1); +} + +static void test_strncat(void **state) +{ + static const char str[] = "Hello "; + size_t len = __builtin_strlen(str); + static const char src[] = "World"; + size_t src_len = __builtin_strlen(src); + static const char expected[] = "Hello World"; + size_t expected_len = __builtin_strlen(expected); + char dst[100]; + char *ret; + + /* n larger than src len */ + memcpy(dst, str, len + 1); + memset(dst + len + 1, 0xee, sizeof(dst) - len - 1); + ret = strncat(dst, src, src_len + 5); + assert_ptr_equal(dst, ret); + assert_memory_equal(expected, dst, expected_len + 1); + + /* n smaller than src len */ + memcpy(dst, str, len + 1); + memset(dst + len + 1, 0xee, sizeof(dst) - len - 1); + ret = strncat(dst, src, src_len - 2); + assert_ptr_equal(dst, ret); + assert_memory_equal("Hello Wor", dst, expected_len - 2 + 1); + + /* n is 0 */ + memcpy(dst, str, len + 1); + memset(dst + len + 1, 0xee, sizeof(dst) - len - 1); + ret = strncat(dst, src, 0); + assert_ptr_equal(dst, ret); + assert_memory_equal(str, dst, len + 1); +} + static void test_skip_atoi(void **state) { int i; @@ -66,6 +138,8 @@ int main(void) const struct CMUnitTest tests[] = { cmocka_unit_test(test_strlen), cmocka_unit_test(test_strnlen), + cmocka_unit_test(test_strcat), + cmocka_unit_test(test_strncat), cmocka_unit_test(test_skip_atoi), }; |