1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
// 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
reportCompare(0, 0);
|
