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/* -*- indent-tabs-mode: nil; js-indent-level: 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/. */
//-----------------------------------------------------------------------------
var BUGNUMBER = '53268';
var status = 'Testing scope after changing obj.__proto__';
var expect= '';
var actual = '';
var obj = {};
Object.defineProperty(this, "five", {
value: 5,
enumerable: true,
writable: false
});
//-----------------------------------------------------------------------------
test();
//-----------------------------------------------------------------------------
function test()
{
printBugNumber(BUGNUMBER);
printStatus (status);
status= 'Step 1: setting obj.__proto__ = global object';
obj.__proto__ = this;
actual = obj.five;
expect=5;
reportCompare (expect, actual, status);
obj.five=1;
actual = obj.five;
expect=5;
reportCompare (expect, actual, status);
status= 'Step 2: setting obj.__proto__ = null';
obj.__proto__ = null;
actual = obj.five;
expect=undefined;
reportCompare (expect, actual, status);
obj.five=2;
actual = obj.five;
expect=2;
reportCompare (expect, actual, status);
status= 'Step 3: setting obj.__proto__ to global object again';
obj.__proto__ = this;
actual = obj.five;
expect=2; //<--- (FROM STEP 2 ABOVE)
reportCompare (expect, actual, status);
obj.five=3;
actual = obj.five;
expect=3;
reportCompare (expect, actual, status);
status= 'Step 4: setting obj.__proto__ to null again';
obj.__proto__ = null;
actual = obj.five;
expect=3; //<--- (FROM STEP 3 ABOVE)
reportCompare (expect, actual, status);
obj.five=4;
actual = obj.five;
expect=4;
reportCompare (expect, actual, status);
}
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