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38 * SUMMARY: Shouldn't crash on regexps with many nested parentheses
39 * See http://bugzilla.mozilla.org/show_bug.cgi?id=119909
42 //-----------------------------------------------------------------------------
44 var summary = "Shouldn't crash on regexps with many nested parentheses";
45 var NO_BACKREFS = false;
46 var DO_BACKREFS = true;
49 //--------------------------------------------------
51 //--------------------------------------------------
60 // Changed the parameter from 500 to 200 for WebKit, because PCRE reports an error for more parentheses.
61 testThis(200, NO_BACKREFS, 'hello', 'goodbye');
62 testThis(200, DO_BACKREFS, 'hello', 'goodbye');
69 * Creates a regexp pattern like (((((((((hello)))))))))
70 * and tests str.search(), str.match(), str.replace()
72 function testThis(numParens, doBackRefs, strOriginal, strReplace)
74 var openParen = doBackRefs? '(' : '(?:';
78 for (var i=0; i<numParens; i++) {pattern += openParen;}
79 pattern += strOriginal;
80 for (i=0; i<numParens; i++) {pattern += closeParen;}
81 var re = new RegExp(pattern);
83 var res = strOriginal.search(re);
84 res = strOriginal.match(re);
85 res = strOriginal.replace(re, strReplace);