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32 lines
765 B
JavaScript
32 lines
765 B
JavaScript
// Copyright (C) 2015 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-proxy-object-internal-methods-and-internal-slots-ownpropertykeys
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description: >
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[[OwnPropertyKeys]] ( )
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8. Let trapResultArray be Call(trap, handler, «target»).
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---*/
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var _target, _handler;
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var target = {
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foo: 1,
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bar: 2
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};
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var handler = {
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ownKeys: function(t) {
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_handler = this;
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_target = t;
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return Object.keys(t);
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}
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};
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var p = new Proxy(target, handler);
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var keys = Object.keys(p);
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assert.sameValue(keys[0], "foo");
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assert.sameValue(keys[1], "bar");
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assert.sameValue(keys.length, 2);
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assert.sameValue(_handler, handler);
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assert.sameValue(_target, target);
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