File: call-parameters-object-getownpropertynames.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 (32 lines) | stat: -rw-r--r-- 783 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
// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-proxy-object-internal-methods-and-internal-slots-ownpropertykeys
description: >
    [[OwnPropertyKeys]] ( )

    7. Let trapResultArray be ? Call(trap, handler, « target »).
---*/

var _target, _handler;
var target = {
  foo: 1,
  bar: 2
};

var handler = {
  ownKeys: function(t) {
    _handler = this;
    _target = t;
    return Object.getOwnPropertyNames(t);
  }
}
var p = new Proxy(target, handler);

var names = Object.getOwnPropertyNames(p);

assert.sameValue(names[0], "foo");
assert.sameValue(names[1], "bar");
assert.sameValue(names.length, 2);
assert.sameValue(_handler, handler);
assert.sameValue(_target, target);