tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

yflag.js (3329B)

      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 = 371932;
      8 var summary = 'ES4 Regular Expression /y flag';
      9 var actual = '';
     10 var expect = '';
     11 
     12 print('See http://developer.mozilla.org/es4/proposals/extend_regexps.html#y_flag');
     13 
     14 //-----------------------------------------------------------------------------
     15 test();
     16 //-----------------------------------------------------------------------------
     17 
     18 function test()
     19 {
     20  printBugNumber(BUGNUMBER);
     21  printStatus (summary);
     22 
     23  var c;
     24  var s = '123456';
     25 
     26  print('Test global flag.');
     27 
     28  var g = /(1)/g;
     29  expect = 'captures: 1,1; RegExp.leftContext: ""; RegExp.rightContext: "234561"';
     30  actual = 'captures: ' + g.exec('1234561') +
     31    '; RegExp.leftContext: "' + RegExp.leftContext +
     32    '"; RegExp.rightContext: "' + RegExp.rightContext + '"';
     33  reportCompare(expect, actual, summary + ' - /(1)/g.exec("1234561") first call');
     34 
     35  expect = 'captures: 1,1; RegExp.leftContext: "123456"; RegExp.rightContext: ""';
     36  actual = 'captures: ' + g.exec('1234561') +
     37    '; RegExp.leftContext: "' + RegExp.leftContext +
     38    '"; RegExp.rightContext: "' + RegExp.rightContext + '"';
     39  reportCompare(expect, actual, summary + ' - /(1)/g.exec("1234561") second call');
     40  var y = /(1)/y;
     41 
     42  print('Test sticky flag.');
     43 
     44  /*
     45   * calls to reportCompare invoke regular expression matches which interfere
     46   * with the test of the sticky flag. Collect expect and actual values prior
     47   * to calling reportCompare. Note setting y = /(1)/y resets the lastIndex etc.
     48   */
     49 
     50  var y = /(1)/y;
     51  var expect4 = 'captures: 1,1; RegExp.leftContext: ""; RegExp.rightContext: "234561"';
     52  var actual4 = 'captures: ' + y.exec('1234561') +
     53    '; RegExp.leftContext: "' + RegExp.leftContext +
     54    '"; RegExp.rightContext: "' + RegExp.rightContext + '"';
     55 
     56  var expect5 = 'captures: null; RegExp.leftContext: ""; RegExp.rightContext: "234561"';
     57  var actual5 = 'captures: ' + y.exec('1234561') +
     58    '; RegExp.leftContext: "' + RegExp.leftContext +
     59    '"; RegExp.rightContext: "' + RegExp.rightContext + '"';
     60 
     61  reportCompare(expect4, actual4, summary + ' - /(1)/y.exec("1234561") first call');
     62  reportCompare(expect5, actual5, summary + ' - /(1)/y.exec("1234561") second call');
     63 
     64  var y = /(1)/y;
     65 
     66  reportCompare(expect5, actual5, summary);
     67 
     68  y = /(1)/y;
     69  var expect6 = 'captures: 1,1; RegExp.leftContext: ""; RegExp.rightContext: "123456"';
     70  var actual6 = 'captures: ' + y.exec('1123456') +
     71    '; RegExp.leftContext: "' + RegExp.leftContext +
     72    '"; RegExp.rightContext: "' + RegExp.rightContext + '"';
     73 
     74  var expect7 = 'captures: 1,1; RegExp.leftContext: "1"; RegExp.rightContext: "23456"';
     75  var actual7 = 'captures: ' + y.exec('1123456') +
     76    '; RegExp.leftContext: "' + RegExp.leftContext +
     77    '"; RegExp.rightContext: "' + RegExp.rightContext + '"';
     78 
     79  reportCompare(expect6, actual6, summary + ' - /(1)/y.exec("1123456") first call');
     80  reportCompare(expect7, actual7, summary + ' - /(1)/y.exec("1123456") second call');
     81 
     82  var y = /(1)/y;
     83 
     84  reportCompare(expect, actual, summary);
     85 }