tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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regress-465980-02.js (3164B)

      1 // |reftest| slow
      2 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 //-----------------------------------------------------------------------------
      8 var BUGNUMBER = 465980;
      9 var summary = 'Do not crash @ InitArrayElements';
     10 var actual = '';
     11 var expect = '';
     12 
     13 
     14 //-----------------------------------------------------------------------------
     15 test();
     16 //-----------------------------------------------------------------------------
     17 
     18 function test()
     19 {
     20  printBugNumber(BUGNUMBER);
     21  printStatus (summary);
     22 
     23  function describe(name, startLength, pushArgs, expectThrow, expectLength)
     24  {
     25    return name + "(" + startLength + ", " +
     26      "[" + pushArgs.join(", ") + "], " +
     27      expectThrow + ", " +
     28      expectLength + ")";
     29  }
     30 
     31  var push = Array.prototype.push;
     32  var unshift = Array.prototype.unshift;
     33 
     34  function testArrayPush(startLength, pushArgs, expectThrow, expectLength)
     35  {
     36    print("running testArrayPush(" +
     37          startLength + ", " +
     38          "[" + pushArgs.join(", ") + "], " +
     39          expectThrow + ", " +
     40          expectLength + ")...");
     41    var a = new Array(startLength);
     42    try
     43    {
     44      push.apply(a, pushArgs);
     45      if (expectThrow)
     46      {
     47        throw "expected to throw for " +
     48          describe("testArrayPush", startLength, pushArgs, expectThrow,
     49                   expectLength);
     50      }
     51    }
     52    catch (e)
     53    {
     54      if (!(e instanceof RangeError))
     55      {
     56        throw "unexpected exception type thrown: " + e + " for " +
     57          describe("testArrayPush", startLength, pushArgs, expectThrow,
     58                   expectLength);
     59      }
     60      if (!expectThrow)
     61      {
     62        throw "unexpected exception " + e + " for " +
     63          describe("testArrayPush", startLength, pushArgs, expectThrow,
     64                   expectLength);
     65      }
     66    }
     67 
     68    if (a.length !== expectLength)
     69    {
     70      throw "unexpected modified-array length for " +
     71        describe("testArrayPush", startLength, pushArgs, expectThrow,
     72                 expectLength);
     73    }
     74 
     75    for (var i = 0, sz = pushArgs.length; i < sz; i++)
     76    {
     77      var index = i + startLength;
     78      if (a[index] !== pushArgs[i])
     79      {
     80        throw "unexpected value " + a[index] +
     81          " at index " + index + " (" + i + ") during " +
     82          describe("testArrayPush", startLength, pushArgs, expectThrow,
     83                   expectLength) + ", expected " + pushArgs[i];
     84      }
     85    }
     86  }
     87 
     88  var failed = true;
     89 
     90  try
     91  {
     92    var foo = "foo", bar = "bar", baz = "baz";
     93 
     94    testArrayPush(4294967294, [foo], false, 4294967295);
     95    testArrayPush(4294967294, [foo, bar], true, 4294967295);
     96    testArrayPush(4294967294, [foo, bar, baz], true, 4294967295);
     97    testArrayPush(4294967295, [foo], true, 4294967295);
     98    testArrayPush(4294967295, [foo, bar], true, 4294967295);
     99    testArrayPush(4294967295, [foo, bar, baz], true, 4294967295);
    100  }
    101  catch (e)
    102  {
    103    actual = e + '';
    104  }
    105 
    106  reportCompare(expect, actual, summary);
    107 }