456855a476
Bug: chromium:1213927 Change-Id: I11729540d9f20b437411f0b9f8077be2a7f066b3 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2922117 Reviewed-by: Jakob Gruber <jgruber@chromium.org> Reviewed-by: Shu-yu Guo <syg@chromium.org> Commit-Queue: Victor Gomes <victorgomes@chromium.org> Cr-Commit-Position: refs/heads/master@{#74850}
52 lines
1.3 KiB
JavaScript
52 lines
1.3 KiB
JavaScript
// Copyright 2021 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --harmony-object-has-own
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let object = { foo: false };
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assertTrue((Object.hasOwn(object, "foo")));
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let object2 = Object.create({ foo: true });
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assertFalse(Object.hasOwn(object2, "foo"));
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let object3 = Object.create(null);
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assertFalse(Object.hasOwn(object3, "foo"));
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let O = function() {
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this.foo = 42;
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};
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let object8 = new O;
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assertTrue((Object.hasOwn(object8, "foo")));
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// Object is undefined or null
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assertThrows(() => Object.hasOwn(undefined). TypeError);
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assertThrows(() => Object.hasOwn(null). TypeError);
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// Using defineProperty
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let object4 = {};
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Object.defineProperty(object4, "foo", {
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value: 42
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});
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assertTrue((Object.hasOwn(object4, "foo")));
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// Object.defineProperty with base
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let base = {};
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Object.defineProperty(base, "foo", {
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value: 42,
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configurable: true
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});
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let object5 = Object.create(base);
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assertTrue((Object.hasOwn(base, "foo")));
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assertFalse((Object.hasOwn(object5, "foo")));
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// Prototype with getter and/or setter
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let object6 = {
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get foo() {}
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};
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let object7 = {
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set foo(x) {}
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};
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assertTrue((Object.hasOwn(object6, "foo")));
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assertTrue((Object.hasOwn(object7, "foo")));
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