Annotation of embedaddon/php/ext/standard/tests/strings/substr.phpt, revision 1.1
1.1 ! misho 1: --TEST--
! 2: Testing substr() function
! 3: --FILE--
! 4: <?php
! 5:
! 6: /* Prototype: string substr( string str, int start[, int length] )
! 7: * Description: Returns the portion of string specified by the start and length parameters.
! 8: */
! 9:
! 10: $strings_array = array( NULL, "", 12345, "abcdef", "123abc", "_123abc");
! 11:
! 12:
! 13: /* Testing for error conditions */
! 14: echo "*** Testing for error conditions ***\n";
! 15:
! 16: /* Zero Argument */
! 17: var_dump( substr() );
! 18:
! 19: /* NULL as Argument */
! 20: var_dump( substr(NULL) );
! 21:
! 22: /* Single Argument */
! 23: var_dump( substr("abcde") );
! 24:
! 25: /* Scalar Argument */
! 26: var_dump( substr(12345) );
! 27:
! 28: /* more than valid number of arguments ( valid are 2 or 3 ) */
! 29: var_dump( substr("abcde", 2, 3, 4) );
! 30:
! 31: $counter = 1;
! 32: foreach ($strings_array as $str) {
! 33: /* variations with two arguments */
! 34: /* start values >, < and = 0 */
! 35:
! 36: echo ("\n--- Iteration ".$counter." ---\n");
! 37: echo ("\n-- Variations for two arguments --\n");
! 38: var_dump ( substr($str, 1) );
! 39: var_dump ( substr($str, 0) );
! 40: var_dump ( substr($str, -2) );
! 41:
! 42: /* variations with three arguments */
! 43: /* start value variations with length values */
! 44:
! 45: echo ("\n-- Variations for three arguments --\n");
! 46: var_dump ( substr($str, 1, 3) );
! 47: var_dump ( substr($str, 1, 0) );
! 48: var_dump ( substr($str, 1, -3) );
! 49: var_dump ( substr($str, 0, 3) );
! 50: var_dump ( substr($str, 0, 0) );
! 51: var_dump ( substr($str, 0, -3) );
! 52: var_dump ( substr($str, -2, 3) );
! 53: var_dump ( substr($str, -2, 0 ) );
! 54: var_dump ( substr($str, -2, -3) );
! 55:
! 56: $counter++;
! 57: }
! 58:
! 59: /* variation of start and length to point to same element */
! 60: echo ("\n*** Testing for variations of start and length to point to same element ***\n");
! 61: var_dump (substr("abcde" , 2, -2) );
! 62: var_dump (substr("abcde" , -3, -2) );
! 63:
! 64: /* Testing to return empty string when start denotes the position beyond the truncation (set by negative length) */
! 65: echo ("\n*** Testing for start > truncation ***\n");
! 66: var_dump (substr("abcdef" , 4, -4) );
! 67:
! 68: /* String with null character */
! 69: echo ("\n*** Testing for string with null characters ***\n");
! 70: var_dump (substr("abc\x0xy\x0z" ,2) );
! 71:
! 72: /* String with international characters */
! 73: echo ("\n*** Testing for string with international characters ***\n");
! 74: var_dump (substr('\xIñtërnâtiônàlizætiøn',3) );
! 75:
! 76: /* start <0 && -start > length */
! 77: echo "\n*** Start before the first char ***\n";
! 78: var_dump (substr("abcd" , -8) );
! 79:
! 80: echo"\nDone";
! 81:
! 82: ?>
! 83: --EXPECTF--
! 84: *** Testing for error conditions ***
! 85:
! 86: Warning: substr() expects at least 2 parameters, 0 given in %s on line %d
! 87: NULL
! 88:
! 89: Warning: substr() expects at least 2 parameters, 1 given in %s on line %d
! 90: NULL
! 91:
! 92: Warning: substr() expects at least 2 parameters, 1 given in %s on line %d
! 93: NULL
! 94:
! 95: Warning: substr() expects at least 2 parameters, 1 given in %s on line %d
! 96: NULL
! 97:
! 98: Warning: substr() expects at most 3 parameters, 4 given in %s on line %d
! 99: NULL
! 100:
! 101: --- Iteration 1 ---
! 102:
! 103: -- Variations for two arguments --
! 104: bool(false)
! 105: bool(false)
! 106: bool(false)
! 107:
! 108: -- Variations for three arguments --
! 109: bool(false)
! 110: bool(false)
! 111: bool(false)
! 112: bool(false)
! 113: bool(false)
! 114: bool(false)
! 115: bool(false)
! 116: bool(false)
! 117: bool(false)
! 118:
! 119: --- Iteration 2 ---
! 120:
! 121: -- Variations for two arguments --
! 122: bool(false)
! 123: bool(false)
! 124: bool(false)
! 125:
! 126: -- Variations for three arguments --
! 127: bool(false)
! 128: bool(false)
! 129: bool(false)
! 130: bool(false)
! 131: bool(false)
! 132: bool(false)
! 133: bool(false)
! 134: bool(false)
! 135: bool(false)
! 136:
! 137: --- Iteration 3 ---
! 138:
! 139: -- Variations for two arguments --
! 140: string(4) "2345"
! 141: string(5) "12345"
! 142: string(2) "45"
! 143:
! 144: -- Variations for three arguments --
! 145: string(3) "234"
! 146: string(0) ""
! 147: string(1) "2"
! 148: string(3) "123"
! 149: string(0) ""
! 150: string(2) "12"
! 151: string(2) "45"
! 152: string(0) ""
! 153: string(0) ""
! 154:
! 155: --- Iteration 4 ---
! 156:
! 157: -- Variations for two arguments --
! 158: string(5) "bcdef"
! 159: string(6) "abcdef"
! 160: string(2) "ef"
! 161:
! 162: -- Variations for three arguments --
! 163: string(3) "bcd"
! 164: string(0) ""
! 165: string(2) "bc"
! 166: string(3) "abc"
! 167: string(0) ""
! 168: string(3) "abc"
! 169: string(2) "ef"
! 170: string(0) ""
! 171: string(0) ""
! 172:
! 173: --- Iteration 5 ---
! 174:
! 175: -- Variations for two arguments --
! 176: string(5) "23abc"
! 177: string(6) "123abc"
! 178: string(2) "bc"
! 179:
! 180: -- Variations for three arguments --
! 181: string(3) "23a"
! 182: string(0) ""
! 183: string(2) "23"
! 184: string(3) "123"
! 185: string(0) ""
! 186: string(3) "123"
! 187: string(2) "bc"
! 188: string(0) ""
! 189: string(0) ""
! 190:
! 191: --- Iteration 6 ---
! 192:
! 193: -- Variations for two arguments --
! 194: string(6) "123abc"
! 195: string(7) "_123abc"
! 196: string(2) "bc"
! 197:
! 198: -- Variations for three arguments --
! 199: string(3) "123"
! 200: string(0) ""
! 201: string(3) "123"
! 202: string(3) "_12"
! 203: string(0) ""
! 204: string(4) "_123"
! 205: string(2) "bc"
! 206: string(0) ""
! 207: string(0) ""
! 208:
! 209: *** Testing for variations of start and length to point to same element ***
! 210: string(1) "c"
! 211: string(1) "c"
! 212:
! 213: *** Testing for start > truncation ***
! 214: bool(false)
! 215:
! 216: *** Testing for string with null characters ***
! 217: string(6) "c xy z"
! 218:
! 219: *** Testing for string with international characters ***
! 220: string(26) "ñtërnâtiônàlizætiøn"
! 221:
! 222: *** Start before the first char ***
! 223: string(4) "abcd"
! 224:
! 225: Done
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