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/*
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/licenses/publicdomain/
* Contributor:
* Jeff Walden <jwalden+code@mit.edu>
*/
var gTestfile = 'add-property-non-extensible.js';
//-----------------------------------------------------------------------------
var BUGNUMBER = 602144;
var summary =
'Properly method-compile attempted addition of properties to ' +
'non-extensible objects';
print(BUGNUMBER + ": " + summary);
/**************
* BEGIN TEST *
**************/
// No property
var o1 = {};
for (var i = 0; i < 5; i++)
o1.a = 3;
assertEq(o1.a, 3);
var o2 = Object.preventExtensions({});
for (var i = 0; i < 5; i++)
o2.a = 3;
assertEq(Object.getOwnPropertyDescriptor(o2, "a"), undefined);
var o3 = Object.seal({});
for (var i = 0; i < 5; i++)
o3.a = 3;
assertEq(Object.getOwnPropertyDescriptor(o3, "a"), undefined);
var o4 = Object.freeze({});
for (var i = 0; i < 5; i++)
o4.a = 3;
assertEq(Object.getOwnPropertyDescriptor(o4, "a"), undefined);
// Has property
var o5 = { a: 2 };
for (var i = 0; i < 5; i++)
o5.a = 3;
assertEq(o5.a, 3);
var o6 = Object.preventExtensions({ a: 2 });
for (var i = 0; i < 5; i++)
o6.a = 3;
assertEq(o6.a, 3);
var o7 = Object.seal({ a: 2 });
for (var i = 0; i < 5; i++)
o7.a = 3;
assertEq(o7.a, 3);
var o8 = Object.freeze({ a: 2 });
for (var i = 0; i < 5; i++)
o8.a = 3;
assertEq(o8.a, 2);
// Extensible, hit up the prototype chain
var o9 = Object.create({ a: 2 });
for (var i = 0; i < 5; i++)
o9.a = 3;
assertEq(o9.a, 3);
var o10 = Object.create(Object.preventExtensions({ a: 2 }));
for (var i = 0; i < 5; i++)
o10.a = 3;
assertEq(o10.a, 3);
var o11 = Object.create(Object.seal({ a: 2 }));
for (var i = 0; i < 5; i++)
o11.a = 3;
assertEq(o11.a, 3);
var o12 = Object.create(Object.freeze({ a: 2 }));
for (var i = 0; i < 5; i++)
o12.a = 3;
assertEq(Object.getOwnPropertyDescriptor(o12, "a"), undefined);
// Not extensible, hit up the prototype chain
var o13 = Object.preventExtensions(Object.create({ a: 2 }));
for (var i = 0; i < 5; i++)
o13.a = 3;
assertEq(Object.getOwnPropertyDescriptor(o13, "a"), undefined);
var o14 =
Object.preventExtensions(Object.create(Object.preventExtensions({ a: 2 })));
for (var i = 0; i < 5; i++)
o14.a = 3;
assertEq(Object.getOwnPropertyDescriptor(o14, "a"), undefined);
var o15 = Object.preventExtensions(Object.create(Object.seal({ a: 2 })));
for (var i = 0; i < 5; i++)
o15.a = 3;
assertEq(Object.getOwnPropertyDescriptor(o15, "a"), undefined);
var o16 = Object.preventExtensions(Object.create(Object.freeze({ a: 2 })));
for (var i = 0; i < 5; i++)
o16.a = 3;
assertEq(Object.getOwnPropertyDescriptor(o16, "a"), undefined);
/******************************************************************************/
reportCompare(true, true);
print("All tests passed!");
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