The Tor Browser: js/src/tests/js1_5/Regress/regress-383674.js@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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/. */

     6 //-----------------------------------------------------------------------------

     7 var BUGNUMBER = 383674;

     8 var summary = 'Statement that implicitly calls toString should not be optimized away as a "useless expression"';

     9 var actual = '';

    10 var expect = '';

    13 //-----------------------------------------------------------------------------

    14 test();

    15 //-----------------------------------------------------------------------------

    17 function test()

    18 {

    19   enterFunc ('test');

    20   printBugNumber(BUGNUMBER);

    21   printStatus (summary);

    23   options("strict");

    24   options("werror");

    26   expect = 'toString called';

    27   actual = 'toString not called';

    28   try

    29   {

    30     var x = {toString: function() {

    31         actual = 'toString called';

    32         print(actual);

    33       }

    34     };

    35     var f = function() { var j = x; j + ""; }

    36     f();

    37     reportCompare(expect, actual, summary + ': 1');

    38   }

    39   catch(ex)

    40   {

    41     reportCompare("No Error", ex + "", summary + ': 1');

    42   }

    44   actual = 'toString not called';

    45   try

    46   {

    47     (function() { const a =

    48          ({toString: function(){

    49              actual = 'toString called'; print(actual)} }); a += ""; })();

    50     reportCompare(expect, actual, summary + ': 2');

    51   }

    52   catch(ex)

    53   {

    54     reportCompare("No Error", ex + "", summary + ': 2');

    55   }

    57   exitFunc ('test');

    58 }

The Tor Browser / file revision