mirror of https://github.com/tc39/test262.git
49 lines
1.3 KiB
JavaScript
49 lines
1.3 KiB
JavaScript
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// Copyright (C) 2020 Alexey Shvayka. 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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If "ownKeys" trap is null or undefined, [[OwnPropertyKeys]] call is
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properly forwarded to [[ProxyTarget]] (which is also a Proxy object).
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info: |
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[[OwnPropertyKeys]] ( )
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[...]
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4. Let target be O.[[ProxyTarget]].
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5. Let trap be ? GetMethod(handler, "ownKeys").
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6. If trap is undefined, then
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a. Return ? target.[[OwnPropertyKeys]]().
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OrdinaryOwnPropertyKeys ( O )
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1. Let keys be a new empty List.
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2. For each own property key P of O that is an array index,
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in ascending numeric index order, do
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a. Add P as the last element of keys.
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3. For each own property key P of O that is a String but is not an
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array index, in ascending chronological order of property creation, do
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a. Add P as the last element of keys.
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[...]
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5. Return keys.
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includes: [compareArray.js]
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features: [Proxy]
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---*/
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var plainObject = {
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foo: 1,
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"0": 2,
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get bar() {},
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"1": 4,
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};
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var plainObjectTarget = new Proxy(plainObject, {});
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var plainObjectProxy = new Proxy(plainObjectTarget, {
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ownKeys: null,
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});
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assert.compareArray(
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Object.keys(plainObjectProxy),
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["0", "1", "foo", "bar"]
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);
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