File: define-properties.js

package info (click to toggle)
qtdeclarative-opensource-src 5.15.2%2Bdfsg-6
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 259,220 kB
  • sloc: javascript: 512,396; cpp: 493,894; xml: 8,892; python: 3,304; ansic: 2,764; sh: 206; makefile: 59; php: 27
file content (39 lines) | stat: -rw-r--r-- 841 bytes parent folder | download | duplicates (11)
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
35
36
37
38
39
// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 26.1.3
description: >
  Define properties from the attributes object.
info: |
  26.1.3 Reflect.defineProperty ( target, propertyKey, attributes )

  ...
  6. Return target.[[DefineOwnProperty]](key, desc).
includes: [propertyHelper.js]
---*/

var o = {};
var desc;

Reflect.defineProperty(o, 'p1', {
  value: 42,
  writable: true,
  enumerable: true
});

assert.sameValue(o.p1, 42);

verifyWritable(o, 'p1');
verifyNotConfigurable(o, 'p1');
verifyEnumerable(o, 'p1');

var f1 = function() {};
var f2 = function() {};
Reflect.defineProperty(o, 'p2', {
  get: f1,
  set: f2
});

desc = Object.getOwnPropertyDescriptor(o, 'p2');
assert.sameValue(desc.get, f1);
assert.sameValue(desc.set, f2);