call-parameters-object-getownpropertysymbols.js

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// 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 »).

features: [Proxy, Symbol]

---*/

var _target, _handler;

var target = {};

var a = Symbol('a');

var b = Symbol('b');

target[a] = 1;

target[b] = 2;

var handler = {

  ownKeys: function(t) {

    _handler = this;

    _target = t;

    return Object.getOwnPropertySymbols(t);

var p = new Proxy(target, handler);

var symbols = Object.getOwnPropertySymbols(p);

assert.sameValue(symbols[0], a);

assert.sameValue(symbols[1], b);

assert.sameValue(symbols.length, 2);

assert.sameValue(_handler, handler);

assert.sameValue(_target, target);

reportCompare(0, 0);