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| Rev | Author | Line No. | Line |
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| 3584 | sourcerer | 1 | #ifndef test_testutils_h_ |
| 2 | #define test_testutils_h_ |
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| 3 | |||
| 4 | #include |
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| 5 | #include |
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| 6 | #include |
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| 7 | #include |
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| 8 | #include |
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| 9 | |||
| 10 | #ifndef UNUSED |
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| 11 | #define UNUSED(x) ((x) = (x)) |
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| 12 | #endif |
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| 13 | |||
| 14 | /* Redefine assert, so we can simply use the standard assert mechanism |
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| 15 | * within testcases and exit with the right output for the testrunner |
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| 16 | * to do the right thing. */ |
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| 17 | void __assert2(const char *expr, const char *function, |
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| 18 | const char *file, int line); |
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| 19 | |||
| 20 | void __assert2(const char *expr, const char *function, |
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| 21 | const char *file, int line) |
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| 22 | { |
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| 23 | UNUSED(function); |
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| 24 | UNUSED(file); |
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| 25 | |||
| 26 | printf("FAIL - %s at line %d\n", expr, line); |
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| 27 | |||
| 28 | exit(EXIT_FAILURE); |
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| 29 | } |
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| 30 | |||
| 31 | #define assert(expr) \ |
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| 32 | ((void) ((expr) || (__assert2 (#expr, __func__, __FILE__, __LINE__), 0))) |
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| 33 | |||
| 34 | |||
| 35 | typedef bool (*line_func)(const char *data, size_t datalen, void *pw); |
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| 36 | |||
| 37 | static size_t css__parse_strlen(const char *str, size_t limit); |
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| 38 | char *css__parse_strnchr(const char *str, size_t len, int chr); |
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| 39 | bool css__parse_testfile(const char *filename, line_func callback, void *pw); |
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| 40 | size_t css__parse_filesize(const char *filename); |
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| 41 | |||
| 42 | /** |
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| 43 | * Testcase datafile parser driver |
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| 44 | * |
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| 45 | * \param filename Name of file to parse |
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| 46 | * \param callback Pointer to function to handle each line of input data |
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| 47 | * \param pw Pointer to client-specific private data |
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| 48 | * \return true on success, false otherwise. |
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| 49 | */ |
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| 50 | bool css__parse_testfile(const char *filename, line_func callback, void *pw) |
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| 51 | { |
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| 52 | FILE *fp; |
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| 53 | char buf[300]; |
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| 54 | |||
| 55 | fp = fopen(filename, "rb"); |
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| 56 | if (fp == NULL) { |
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| 57 | printf("Failed opening %s\n", filename); |
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| 58 | return false; |
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| 59 | } |
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| 60 | |||
| 61 | while (fgets(buf, sizeof buf, fp)) { |
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| 62 | if (buf[0] == '\n') |
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| 63 | continue; |
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| 64 | |||
| 65 | if (!callback(buf, css__parse_strlen(buf, sizeof buf - 1), pw)) { |
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| 66 | fclose(fp); |
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| 67 | return false; |
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| 68 | } |
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| 69 | } |
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| 70 | |||
| 71 | fclose(fp); |
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| 72 | |||
| 73 | return true; |
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| 74 | } |
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| 75 | |||
| 76 | /** |
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| 77 | * Utility string length measurer; assumes strings are '\n' terminated |
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| 78 | * |
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| 79 | * \param str String to measure length of |
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| 80 | * \param limit Upper bound on string length |
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| 81 | * \return String length |
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| 82 | */ |
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| 83 | size_t css__parse_strlen(const char *str, size_t limit) |
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| 84 | { |
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| 85 | size_t len = 0; |
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| 86 | |||
| 87 | if (str == NULL) |
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| 88 | return 0; |
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| 89 | |||
| 90 | while (len < limit - 1 && *str != '\n') { |
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| 91 | len++; |
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| 92 | str++; |
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| 93 | } |
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| 94 | |||
| 95 | len++; |
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| 96 | |||
| 97 | return len; |
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| 98 | } |
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| 99 | |||
| 100 | /** |
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| 101 | * Length-limited strchr |
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| 102 | * |
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| 103 | * \param str String to search in |
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| 104 | * \param len Length of string |
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| 105 | * \param chr Character to search for |
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| 106 | * \return Pointer to character in string, or NULL if not found |
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| 107 | */ |
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| 108 | char *css__parse_strnchr(const char *str, size_t len, int chr) |
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| 109 | { |
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| 110 | size_t i; |
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| 111 | |||
| 112 | if (str == NULL) |
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| 113 | return NULL; |
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| 114 | |||
| 115 | for (i = 0; i < len; i++) { |
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| 116 | if (str[i] == chr) |
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| 117 | break; |
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| 118 | } |
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| 119 | |||
| 120 | if (i == len) |
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| 121 | return NULL; |
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| 122 | |||
| 123 | return (char *) str + i; |
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| 124 | } |
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| 125 | |||
| 126 | /** |
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| 127 | * Read the size of a file |
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| 128 | * |
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| 129 | * \param filename Name of file to read size of |
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| 130 | * \return File size (in bytes), or 0 on error |
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| 131 | */ |
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| 132 | size_t css__parse_filesize(const char *filename) |
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| 133 | { |
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| 134 | FILE *fp; |
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| 135 | size_t len = 0; |
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| 136 | |||
| 137 | fp = fopen(filename, "rb"); |
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| 138 | if (fp == NULL) { |
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| 139 | printf("Failed opening %s\n", filename); |
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| 140 | return 0; |
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| 141 | } |
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| 142 | |||
| 143 | fseek(fp, 0, SEEK_END); |
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| 144 | len = ftell(fp); |
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| 145 | |||
| 146 | fclose(fp); |
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| 147 | |||
| 148 | return len; |
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| 149 | } |
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| 150 | |||
| 151 | |||
| 152 | /** |
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| 153 | * Convert a string representation of an error name to a LibCSS error code |
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| 154 | * |
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| 155 | * \param str String containing error name |
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| 156 | * \param len Length of string (bytes) |
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| 157 | * \return LibCSS error code, or CSS_OK if unknown |
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| 158 | */ |
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| 159 | css_error css_error_from_string(const char *str, size_t len); |
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| 160 | css_error css_error_from_string(const char *str, size_t len) |
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| 161 | { |
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| 162 | if (strncmp(str, "CSS_OK", len) == 0) { |
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| 163 | return CSS_OK; |
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| 164 | } else if (strncmp(str, "CSS_NOMEM", len) == 0) { |
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| 165 | return CSS_NOMEM; |
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| 166 | } else if (strncmp(str, "CSS_BADPARM", len) == 0) { |
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| 167 | return CSS_BADPARM; |
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| 168 | } else if (strncmp(str, "CSS_INVALID", len) == 0) { |
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| 169 | return CSS_INVALID; |
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| 170 | } else if (strncmp(str, "CSS_FILENOTFOUND", len) == 0) { |
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| 171 | return CSS_FILENOTFOUND; |
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| 172 | } else if (strncmp(str, "CSS_NEEDDATA", len) == 0) { |
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| 173 | return CSS_NEEDDATA; |
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| 174 | } else if (strncmp(str, "CSS_BADCHARSET", len) == 0) { |
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| 175 | return CSS_BADCHARSET; |
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| 176 | } else if (strncmp(str, "CSS_EOF", len) == 0) { |
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| 177 | return CSS_EOF; |
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| 178 | } |
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| 179 | |||
| 180 | return CSS_OK; |
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| 181 | } |
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| 182 | |||
| 183 | #endif |