js/src/tests/js1_5/Regress/regress-452742-01.js

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

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 = 452742;
     8 var summary = 'Do not do overzealous eval inside function optimization in BindNameToSlot';
     9 var actual = '';
    10 var expect = '';
    13 //-----------------------------------------------------------------------------
    14 test();
    15 //-----------------------------------------------------------------------------
    17 function test()
    18 {
    19   enterFunc ('test');
    20   printBugNumber(BUGNUMBER);
    21   printStatus (summary);
    23   expect = actual = 'No Error';
    25   var obj = { x: -100 };
    27   function a(x)
    28   {
    29     var orig_x = x;
    30     var orig_obj_x = obj.x;
    32     with (obj) { eval("x = x + 10"); }
    34     if (x !== orig_x)
    35       throw "Unexpected mutation of x: " + x;
    36     if (obj.x !== orig_obj_x + 10)
    37       throw "Unexpected mutation of obj.x: " + obj.x;
    38   }
    40   try
    41   {
    42     a(0);
    43   }
    44   catch(ex)
    45   {
    46     actual = ex + '';
    47   }
    48   reportCompare(expect, actual, summary);
    50   exitFunc ('test');
    51 }

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