The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/js1_5/Regress/regress-383674.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,58 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +//-----------------------------------------------------------------------------
    1.10 +var BUGNUMBER = 383674;
    1.11 +var summary = 'Statement that implicitly calls toString should not be optimized away as a "useless expression"';
    1.12 +var actual = '';
    1.13 +var expect = '';
    1.14 +
    1.15 +
    1.16 +//-----------------------------------------------------------------------------
    1.17 +test();
    1.18 +//-----------------------------------------------------------------------------
    1.19 +
    1.20 +function test()
    1.21 +{
    1.22 +  enterFunc ('test');
    1.23 +  printBugNumber(BUGNUMBER);
    1.24 +  printStatus (summary);
    1.25 +    
    1.26 +  options("strict");
    1.27 +  options("werror");
    1.28 +
    1.29 +  expect = 'toString called';
    1.30 +  actual = 'toString not called';
    1.31 +  try
    1.32 +  {
    1.33 +    var x = {toString: function() { 
    1.34 +        actual = 'toString called'; 
    1.35 +        print(actual); 
    1.36 +      } 
    1.37 +    }; 
    1.38 +    var f = function() { var j = x; j + ""; }
    1.39 +    f();
    1.40 +    reportCompare(expect, actual, summary + ': 1');
    1.41 +  }
    1.42 +  catch(ex)
    1.43 +  {
    1.44 +    reportCompare("No Error", ex + "", summary + ': 1');
    1.45 +  }
    1.46 +
    1.47 +  actual = 'toString not called';
    1.48 +  try
    1.49 +  {
    1.50 +    (function() { const a = 
    1.51 +         ({toString: function(){
    1.52 +             actual = 'toString called'; print(actual)} }); a += ""; })();
    1.53 +    reportCompare(expect, actual, summary + ': 2');
    1.54 +  }
    1.55 +  catch(ex)
    1.56 +  {
    1.57 +    reportCompare("No Error", ex + "", summary + ': 2');
    1.58 +  }
    1.59 +
    1.60 +  exitFunc ('test');
    1.61 +}