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38 gTestfile = 'match-002.js';
41 * File Name: String/match-002.js
42 * ECMA Section: 15.6.4.9
43 * Description: Based on ECMA 2 Draft 7 February 1999
45 * Author: christine@netscape.com
46 * Date: 19 February 1999
50 * String.match( regexp )
52 * If regexp is not an object of type RegExp, it is replaced with result
53 * of the expression new RegExp(regexp). Let string denote the result of
54 * converting the this value to a string. If regexp.global is false,
55 * return the result obtained by invoking RegExp.prototype.exec (see
56 * section 15.7.5.3) on regexp with string as parameter.
58 * Otherwise, set the regexp.lastIndex property to 0 and invoke
59 * RegExp.prototype.exec repeatedly until there is no match. If there is a
60 * match with an empty string (in other words, if the value of
61 * regexp.lastIndex is left unchanged) increment regexp.lastIndex by 1.
62 * The value returned is an array with the properties 0 through n-1
63 * corresponding to the first element of the result of each matching
64 * invocation of RegExp.prototype.exec.
66 * Note that the match function is intentionally generic; it does not
67 * require that its this value be a string object. Therefore, it can be
68 * transferred to other kinds of objects for use as a method.
70 * This file tests cases in which regexp.global is false. Therefore,
71 * results should behave as regexp.exec with string passed as a parameter.
75 var SECTION = "String/match-002.js";
76 var VERSION = "ECMA_2";
77 var TITLE = "String.prototype.match( regexp )";
81 // the regexp argument is not a RegExp object
82 // this is not a string object
84 AddRegExpCases( /([\d]{5})([-\ ]?[\d]{4})?$/,
85 "/([\d]{5})([-\ ]?[\d]{4})?$/",
86 "Boston, Mass. 02134",
88 ["02134", "02134", undefined]);
90 AddGlobalRegExpCases( /([\d]{5})([-\ ]?[\d]{4})?$/g,
91 "/([\d]{5})([-\ ]?[\d]{4})?$/g",
92 "Boston, Mass. 02134",
95 // set the value of lastIndex
96 re = /([\d]{5})([-\ ]?[\d]{4})?$/;
99 s = "Boston, MA 02134";
102 "re = /([\d]{5})([-\ ]?[\d]{4})?$/; re.lastIndex =0",
105 ["02134", "02134", undefined]);
108 re.lastIndex = s.length;
111 "re = /([\d]{5})([-\ ]?[\d]{4})?$/; re.lastIndex = " +
115 ["02134", "02134", undefined] );
117 re.lastIndex = s.lastIndexOf("0");
120 "re = /([\d]{5})([-\ ]?[\d]{4})?$/; re.lastIndex = " +
124 ["02134", "02134", undefined]);
126 re.lastIndex = s.lastIndexOf("0") + 1;
129 "re = /([\d]{5})([-\ ]?[\d]{4})?$/; re.lastIndex = " +
130 s.lastIndexOf("0") +1,
133 ["02134", "02134", undefined]);
137 function AddRegExpCases(
138 regexp, str_regexp, string, index, matches_array ) {
140 // prevent a runtime error
142 if ( regexp.exec(string) == null || matches_array == null ) {
144 string + ".match(" + regexp +")",
146 string.match(regexp) );
152 "( " + string + " ).match(" + str_regexp +").length",
153 matches_array.length,
154 string.match(regexp).length );
157 "( " + string + " ).match(" + str_regexp +").index",
159 string.match(regexp).index );
162 "( " + string + " ).match(" + str_regexp +").input",
164 string.match(regexp).input );
166 var limit = matches_array.length > string.match(regexp).length ?
167 matches_array.length :
168 string.match(regexp).length;
170 for ( var matches = 0; matches < limit; matches++ ) {
172 "( " + string + " ).match(" + str_regexp +")[" + matches +"]",
173 matches_array[matches],
174 string.match(regexp)[matches] );
178 function AddGlobalRegExpCases(
179 regexp, str_regexp, string, matches_array ) {
181 // prevent a runtime error
183 if ( regexp.exec(string) == null || matches_array == null ) {
185 regexp + ".exec(" + string +")",
187 regexp.exec(string) );
193 "( " + string + " ).match(" + str_regexp +").length",
194 matches_array.length,
195 string.match(regexp).length );
197 var limit = matches_array.length > string.match(regexp).length ?
198 matches_array.length :
199 string.match(regexp).length;
201 for ( var matches = 0; matches < limit; matches++ ) {
203 "( " + string + " ).match(" + str_regexp +")[" + matches +"]",
204 matches_array[matches],
205 string.match(regexp)[matches] );