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comparison: js/src/tests/ecma_2/String/match-003.js
js/src/tests/ecma_2/String/match-003.js
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 | |
| 7 /** | |
| 8 * File Name: String/match-003.js | |
| 9 * ECMA Section: 15.6.4.9 | |
| 10 * Description: Based on ECMA 2 Draft 7 February 1999 | |
| 11 * | |
| 12 * Author: christine@netscape.com | |
| 13 * Date: 19 February 1999 | |
| 14 */ | |
| 15 | |
| 16 /* | |
| 17 * String.match( regexp ) | |
| 18 * | |
| 19 * If regexp is not an object of type RegExp, it is replaced with result | |
| 20 * of the expression new RegExp(regexp). Let string denote the result of | |
| 21 * converting the this value to a string. If regexp.global is false, | |
| 22 * return the result obtained by invoking RegExp.prototype.exec (see | |
| 23 * section 15.7.5.3) on regexp with string as parameter. | |
| 24 * | |
| 25 * Otherwise, set the regexp.lastIndex property to 0 and invoke | |
| 26 * RegExp.prototype.exec repeatedly until there is no match. If there is a | |
| 27 * match with an empty string (in other words, if the value of | |
| 28 * regexp.lastIndex is left unchanged) increment regexp.lastIndex by 1. | |
| 29 * The value returned is an array with the properties 0 through n-1 | |
| 30 * corresponding to the first element of the result of each matching | |
| 31 * invocation of RegExp.prototype.exec. | |
| 32 * | |
| 33 * Note that the match function is intentionally generic; it does not | |
| 34 * require that its this value be a string object. Therefore, it can be | |
| 35 * transferred to other kinds of objects for use as a method. | |
| 36 */ | |
| 37 | |
| 38 var SECTION = "String/match-003.js"; | |
| 39 var VERSION = "ECMA_2"; | |
| 40 var TITLE = "String.prototype.match( regexp )"; | |
| 41 | |
| 42 startTest(); | |
| 43 | |
| 44 // the regexp argument is not a RegExp object | |
| 45 // this is not a string object | |
| 46 | |
| 47 | |
| 48 // [if regexp.global is true] set the regexp.lastIndex property to 0 and | |
| 49 // invoke RegExp.prototype.exec repeatedly until there is no match. If | |
| 50 // there is a match with an empty string (in other words, if the value of | |
| 51 // regexp.lastIndex is left unchanged) increment regexp.lastIndex by 1. | |
| 52 // The value returned is an array with the properties 0 through n-1 | |
| 53 // corresponding to the first element of the result of each matching invocation | |
| 54 // of RegExp.prototype.exec. | |
| 55 | |
| 56 | |
| 57 // set the value of lastIndex | |
| 58 re = /([\d]{5})([-\ ]?[\d]{4})?$/g; | |
| 59 | |
| 60 | |
| 61 s = "Boston, MA 02134"; | |
| 62 | |
| 63 AddGlobalRegExpCases( re, | |
| 64 "re = " + re, | |
| 65 s, | |
| 66 ["02134" ]); | |
| 67 | |
| 68 re.lastIndex = 0; | |
| 69 | |
| 70 AddGlobalRegExpCases( | |
| 71 re, | |
| 72 "re = " + re + "; re.lastIndex = 0 ", | |
| 73 s, | |
| 74 ["02134"]); | |
| 75 | |
| 76 | |
| 77 re.lastIndex = s.length; | |
| 78 | |
| 79 AddGlobalRegExpCases( | |
| 80 re, | |
| 81 "re = " + re + "; re.lastIndex = " + s.length, | |
| 82 s, | |
| 83 ["02134"] ); | |
| 84 | |
| 85 re.lastIndex = s.lastIndexOf("0"); | |
| 86 | |
| 87 AddGlobalRegExpCases( | |
| 88 re, | |
| 89 "re = "+ re +"; re.lastIndex = " + s.lastIndexOf("0"), | |
| 90 s, | |
| 91 ["02134"]); | |
| 92 | |
| 93 re.lastIndex = s.lastIndexOf("0") + 1; | |
| 94 | |
| 95 AddGlobalRegExpCases( | |
| 96 re, | |
| 97 "re = " +re+ "; re.lastIndex = " + (s.lastIndexOf("0") +1), | |
| 98 s, | |
| 99 ["02134"]); | |
| 100 | |
| 101 test(); | |
| 102 | |
| 103 function AddGlobalRegExpCases( | |
| 104 regexp, str_regexp, string, matches_array ) { | |
| 105 | |
| 106 // prevent a runtime error | |
| 107 | |
| 108 if ( string.match(regexp) == null || matches_array == null ) { | |
| 109 AddTestCase( | |
| 110 string + ".match(" + str_regexp +")", | |
| 111 matches_array, | |
| 112 string.match(regexp) ); | |
| 113 | |
| 114 return; | |
| 115 } | |
| 116 | |
| 117 AddTestCase( | |
| 118 "( " + string + " ).match(" + str_regexp +").length", | |
| 119 matches_array.length, | |
| 120 string.match(regexp).length ); | |
| 121 | |
| 122 var limit = matches_array.length > string.match(regexp).length ? | |
| 123 matches_array.length : | |
| 124 string.match(regexp).length; | |
| 125 | |
| 126 for ( var matches = 0; matches < limit; matches++ ) { | |
| 127 AddTestCase( | |
| 128 "( " + string + " ).match(" + str_regexp +")[" + matches +"]", | |
| 129 matches_array[matches], | |
| 130 string.match(regexp)[matches] ); | |
| 131 } | |
| 132 } |
