| 43 | } |
| 44 | |
| 45 | static void test_strcat(void **state) |
| 46 | { |
| 47 | static const char str[] = "Hello "; |
| 48 | size_t len = __builtin_strlen(str); |
| 49 | static const char src[] = "World"; |
| 50 | static const char expected[] = "Hello World"; |
| 51 | size_t expected_len = __builtin_strlen(expected); |
| 52 | char dst[100]; |
| 53 | char *ret; |
| 54 | |
| 55 | /* Empty src & dst */ |
| 56 | dst[0] = '\0'; |
| 57 | memset(dst + 1, 0xee, sizeof(dst) - 1); |
| 58 | ret = strcat(dst, ""); |
| 59 | assert_ptr_equal(dst, ret); |
| 60 | assert_int_equal('\0', dst[0]); |
| 61 | |
| 62 | /* Empty src */ |
| 63 | memcpy(dst, str, len + 1); |
| 64 | memset(dst + len + 1, 0xee, sizeof(dst) - len - 1); |
| 65 | ret = strcat(dst, ""); |
| 66 | assert_memory_equal(str, dst, len + 1); |
| 67 | |
| 68 | /* Empty dst */ |
| 69 | memset(dst, 0x0, sizeof(dst)); |
| 70 | memset(dst + 1, 0xee, sizeof(dst) - 1); |
| 71 | ret = strcat(dst, src); |
| 72 | assert_ptr_equal(dst, ret); |
| 73 | assert_memory_equal(src, dst, __builtin_strlen(src) + 1); |
| 74 | |
| 75 | /* Non-empty str & dst */ |
| 76 | memcpy(dst, str, len + 1); |
| 77 | memset(dst + len + 1, 0xee, sizeof(dst) - len - 1); |
| 78 | ret = strcat(dst, src); |
| 79 | assert_ptr_equal(dst, ret); |
| 80 | assert_memory_equal(expected, dst, expected_len + 1); |
| 81 | } |
| 82 | |
| 83 | static void test_strncat(void **state) |
| 84 | { |