The Tor Browser: js/src/tests/ecma_3/RegExp/15.10.6.2-2.js@129ffea94266 (annotated)

js/src/tests/ecma_3/RegExp/15.10.6.2-2.js@129ffea94266 (annotated)

js/src/tests/ecma_3/RegExp/15.10.6.2-2.js

Sat, 03 Jan 2015 20:18:00 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Sat, 03 Jan 2015 20:18:00 +0100
branch: TOR_BUG_3246
changeset 7: 129ffea94266
permissions: -rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 /*
  *
  * Date:    18 Feb 2002
  * SUMMARY: Testing re.exec(str) when re.lastIndex is < 0 or > str.length
  *
  * Case 1: If re has the global flag set, then re(str) should be null
  * Case 2: If re doesn't have this set, then re(str) should be unaffected
  *
  * See http://bugzilla.mozilla.org/show_bug.cgi?id=76717
  *
  *
  * From the ECMA-262 Final spec:
  *
  * 15.10.6.2 RegExp.prototype.exec(string)
  * Performs a regular expression match of string against the regular
  * expression and returns an Array object containing the results of
  * the match, or null if the string did not match.
  *
  * The string ToString(string) is searched for an occurrence of the
  * regular expression pattern as follows:
  *
  * 1.  Let S be the value of ToString(string).
  * 2.  Let length be the length of S.
  * 3.  Let lastIndex be the value of the lastIndex property.
  * 4.  Let i be the value of ToInteger(lastIndex).
  * 5.  If the global property is false, let i = 0.
  * 6.  If i < 0 or i > length then set lastIndex to 0 and return null.
  * 7.  Call [[Match]], giving it the arguments S and i.
  *     If [[Match]] returned failure, go to step 8;
  *     otherwise let r be its State result and go to step 10.
  * 8.  Let i = i+1.
  * 9.  Go to step 6.
  * 10. Let e be r's endIndex value.
  * 11. If the global property is true, set lastIndex to e.
  *
  *          etc.
  *
  *
  * So:
  *
  * A. If the global flag is not set, |lastIndex| is set to 0
  *    before the match is attempted; thus the match is unaffected.
  *
  * B. If the global flag IS set and re.lastIndex is >= 0 and <= str.length,
  *    |lastIndex| is incremented every time there is a match; not from
  *    i to i+1, but from i to "endIndex" e:
  *
  *      e = (index of last input character matched so far by the pattern) + 1
  *
  *    The match is then attempted from this position in the string (Step 7).
  *
  * C. When the global flag IS set and re.lastIndex is < 0 or > str.length,
  *    |lastIndex| is set to 0 and the match returns null.
  *
  *
  * Note the |lastIndex| property is writeable, and may be set arbitrarily
  * by the programmer - and we will do that below.
  *
  */
 //-----------------------------------------------------------------------------
 var i = 0;
 var BUGNUMBER = 76717;
 var summary = 'Testing re.exec(str) when re.lastIndex is < 0 or > str.length';
 var status = '';
 var statusmessages = new Array();
 var pattern = '';
 var patterns = new Array();
 var string = '';
 var strings = new Array();
 var actualmatch = '';
 var actualmatches = new Array();
 var expectedmatch = '';
 var expectedmatches = new Array();
 /******************************************************************************
  *
  * Case 1 : when the global flag is set -
  *
  *****************************************************************************/
 pattern = /abc/gi;
 string = 'AbcaBcabC';
 status = inSection(1);
 actualmatch = pattern.exec(string);
 expectedmatch = Array('Abc');
 addThis();
 status = inSection(2);
 actualmatch = pattern.exec(string);
 expectedmatch = Array('aBc');
 addThis();
 status = inSection(3);
 actualmatch = pattern.exec(string);
 expectedmatch = Array('abC');
 addThis();
 /*
  * At this point |lastIndex| is > string.length, so the match should be null -
  */
 status = inSection(4);
 actualmatch = pattern.exec(string);
 expectedmatch = null;
 addThis();
 /*
  * Now let's set |lastIndex| to -1, so the match should again be null -
  */
 status = inSection(5);
 pattern.lastIndex = -1;
 actualmatch = pattern.exec(string);
 expectedmatch = null;
 addThis();
 /*
  * Now try some edge-case values. Thanks to the work done in
  * http://bugzilla.mozilla.org/show_bug.cgi?id=124339, |lastIndex|
  * is now stored as a double instead of a uint32_t (unsigned integer).
  *
  * Note 2^32 -1 is the upper bound for uint32's, but doubles can go
  * all the way up to Number.MAX_VALUE. So that's why we need cases
  * between those two numbers.
  */
 status = inSection(6);
 pattern.lastIndex = Math.pow(2,32);
 actualmatch = pattern.exec(string);
 expectedmatch = null;
 addThis();
 status = inSection(7);
 pattern.lastIndex = -Math.pow(2,32);
 actualmatch = pattern.exec(string);
 expectedmatch = null;
 addThis();
 status = inSection(8);
 pattern.lastIndex = Math.pow(2,32) + 1;
 actualmatch = pattern.exec(string);
 expectedmatch = null;
 addThis();
 status = inSection(9);
 pattern.lastIndex = -(Math.pow(2,32) + 1);
 actualmatch = pattern.exec(string);
 expectedmatch = null;
 addThis();
 status = inSection(10);
 pattern.lastIndex = Math.pow(2,32) * 2;
 actualmatch = pattern.exec(string);
 expectedmatch = null;
 addThis();
 status = inSection(11);
 pattern.lastIndex = -Math.pow(2,32) * 2;
 actualmatch = pattern.exec(string);
 expectedmatch = null;
 addThis();
 status = inSection(12);
 pattern.lastIndex = Math.pow(2,40);
 actualmatch = pattern.exec(string);
 expectedmatch = null;
 addThis();
 status = inSection(13);
 pattern.lastIndex = -Math.pow(2,40);
 actualmatch = pattern.exec(string);
 expectedmatch = null;
 addThis();
 status = inSection(14);
 pattern.lastIndex = Number.MAX_VALUE;
 actualmatch = pattern.exec(string);
 expectedmatch = null;
 addThis();
 status = inSection(15);
 pattern.lastIndex = -Number.MAX_VALUE;
 actualmatch = pattern.exec(string);
 expectedmatch = null;
 addThis();
 /******************************************************************************
  *
  * Case 2: repeat all the above cases WITHOUT the global flag set.
  * According to EMCA. |lastIndex| should get set to 0 before the match.
  *
  * Therefore re.exec(str) should be unaffected; thus our expected values
  * below are now DIFFERENT when |lastIndex| is < 0 or > str.length
  *
  *****************************************************************************/
 pattern = /abc/i;
 string = 'AbcaBcabC';
 status = inSection(16);
 actualmatch = pattern.exec(string);
 expectedmatch = Array('Abc');
 addThis();
 status = inSection(17);
 actualmatch = pattern.exec(string);
 expectedmatch = Array('Abc'); // NOT Array('aBc') as before -
 addThis();
 status = inSection(18);
 actualmatch = pattern.exec(string);
 expectedmatch = Array('Abc'); // NOT Array('abC') as before -
 addThis();
 /*
  * At this point above, |lastIndex| WAS > string.length, but not here -
  */
 status = inSection(19);
 actualmatch = pattern.exec(string);
 expectedmatch = Array('Abc') // NOT null as before -
   addThis();
 /*
  * Now let's set |lastIndex| to -1
  */
 status = inSection(20);
 pattern.lastIndex = -1;
 actualmatch = pattern.exec(string);
 expectedmatch = Array('Abc') // NOT null as before -
   addThis();
 /*
  * Now try some edge-case values. Thanks to the work done in
  * http://bugzilla.mozilla.org/show_bug.cgi?id=124339, |lastIndex|
  * is now stored as a double instead of a uint32_t (unsigned integer).
  *
  * Note 2^32 -1 is the upper bound for uint32's, but doubles can go
  * all the way up to Number.MAX_VALUE. So that's why we need cases
  * between those two numbers.
  */
 status = inSection(21);
 pattern.lastIndex = Math.pow(2,32);
 actualmatch = pattern.exec(string);
 expectedmatch = Array('Abc') // NOT null as before -
   addThis();
 status = inSection(22);
 pattern.lastIndex = -Math.pow(2,32);
 actualmatch = pattern.exec(string);
 expectedmatch = Array('Abc') // NOT null as before -
   addThis();
 status = inSection(23);
 pattern.lastIndex = Math.pow(2,32) + 1;
 actualmatch = pattern.exec(string);
 expectedmatch = Array('Abc') // NOT null as before -
   addThis();
 status = inSection(24);
 pattern.lastIndex = -(Math.pow(2,32) + 1);
 actualmatch = pattern.exec(string);
 expectedmatch = Array('Abc') // NOT null as before -
   addThis();
 status = inSection(25);
 pattern.lastIndex = Math.pow(2,32) * 2;
 actualmatch = pattern.exec(string);
 expectedmatch = Array('Abc') // NOT null as before -
   addThis();
 status = inSection(26);
 pattern.lastIndex = -Math.pow(2,32) * 2;
 actualmatch = pattern.exec(string);
 expectedmatch = Array('Abc') // NOT null as before -
   addThis();
 status = inSection(27);
 pattern.lastIndex = Math.pow(2,40);
 actualmatch = pattern.exec(string);
 expectedmatch = Array('Abc') // NOT null as before -;
   addThis();
 status = inSection(28);
 pattern.lastIndex = -Math.pow(2,40);
 actualmatch = pattern.exec(string);
 expectedmatch = Array('Abc') // NOT null as before -
   addThis();
 status = inSection(29);
 pattern.lastIndex = Number.MAX_VALUE;
 actualmatch = pattern.exec(string);
 expectedmatch = Array('Abc') // NOT null as before -
   addThis();
 status = inSection(30);
 pattern.lastIndex = -Number.MAX_VALUE;
 actualmatch = pattern.exec(string);
 expectedmatch = Array('Abc') // NOT null as before -
   addThis();
 //-------------------------------------------------------------------------------------------------
 test();
 //-------------------------------------------------------------------------------------------------
 function addThis()
 {
   statusmessages[i] = status;
   patterns[i] = pattern;
   strings[i] = string;
   actualmatches[i] = actualmatch;
   expectedmatches[i] = expectedmatch;
   i++;
 }
 function test()
 {
   enterFunc ('test');
   printBugNumber(BUGNUMBER);
   printStatus (summary);
   testRegExp(statusmessages, patterns, strings, actualmatches, expectedmatches);
   exitFunc ('test');
 }