regress-280769-4.js (1211B)
1 /* -*- indent-tabs-mode: nil; js-indent-level: 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 var BUGNUMBER = 280769; 8 var summary = 'Do not overflow 64K length of char sequence in RegExp []'; 9 var actual = 'No Crash'; 10 var expect = 'No Crash'; 11 12 printBugNumber(BUGNUMBER); 13 printStatus (summary); 14 15 16 var N = 20 * 1000; // It should be that N*6 > 64K and N < 32K 17 18 var prefixes = ["000", "00", "0"]; 19 20 function to_4_hex(i) 21 { 22 var printed = i.toString(16); 23 if (printed.length < 4) { 24 printed= prefixes[printed.length - 1]+printed; 25 } 26 return printed; 27 28 } 29 30 var a = new Array(N); 31 for (var i = 0; i != N; ++i) { 32 a[i] = to_4_hex(2*i); 33 } 34 35 var str = '[\\u'+a.join('\\u')+']'; 36 // str is [\u0000\u0002\u0004...\u<printed value of 2N>] 37 38 var re = new RegExp(str); 39 40 var string_to_match = String.fromCharCode(2 * (N - 1)); 41 42 var value = re.exec(string_to_match); 43 44 var expect = string_to_match; 45 var actual = value ? value[0] : value; 46 47 reportCompare(expect, actual, summary);