/* -*- 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);
}