mirror of https://github.com/tc39/test262.git
28 lines
1.2 KiB
JavaScript
28 lines
1.2 KiB
JavaScript
// Copyright (c) 2012 Ecma International. All rights reserved.
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
|
|
|
/*---
|
|
info: >
|
|
Step 4 of defineProperty calls the [[DefineOwnProperty]] internal method
|
|
of O to define the property. For newly defined accessor properties, attributes
|
|
missing from desc should have values set to the defaults from 8.6.1.
|
|
es5id: 15.2.3.6-4-3
|
|
description: >
|
|
Object.defineProperty sets missing attributes to their default
|
|
values (accessor)(8.12.9 step 4.b.i)
|
|
---*/
|
|
|
|
var o = {};
|
|
|
|
var getter = function () { return 1; };
|
|
var desc = { get: getter };
|
|
|
|
Object.defineProperty(o, "foo", desc);
|
|
|
|
var propDesc = Object.getOwnPropertyDescriptor(o, "foo");
|
|
|
|
assert.sameValue(typeof(propDesc.get), "function", 'typeof(propDesc.get)');
|
|
assert.sameValue(propDesc.get, getter, 'propDesc.get'); // the getter must be the function that was provided
|
|
assert.sameValue(propDesc.set, undefined, 'propDesc.set'); // undefined by default
|
|
assert.sameValue(propDesc.enumerable, false, 'propDesc.enumerable'); // false by default
|
|
assert.sameValue(propDesc.configurable, false, 'propDesc.configurable'); // false by default
|