mirror of https://github.com/tc39/test262.git
39 lines
1.4 KiB
JavaScript
39 lines
1.4 KiB
JavaScript
// Copyright (C) 2016 Jordan Harband. 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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description: Object.getOwnPropertyDescriptors on a proxy with duplicate ownKeys should work
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esid: sec-object.getownpropertydescriptors
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author: Jordan Harband
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features: [Proxy]
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---*/
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var i = 0;
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var descriptors = [
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{ enumerable: false, value: "A1", writable: true, configurable: true },
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{ enumerable: true, value: "A2", writable: true, configurable: true }
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];
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var log = '';
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var proxy = new Proxy({}, {
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ownKeys() {
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log += 'ownKeys|';
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return ['DUPLICATE', 'DUPLICATE', 'DUPLICATE'];
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},
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getOwnPropertyDescriptor(t, name) {
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log += 'getOwnPropertyDescriptor:' + name + '|';
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return descriptors[i++];
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}
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});
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var result = Object.getOwnPropertyDescriptors(proxy);
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assert.sameValue(result.hasOwnProperty('DUPLICATE'), true);
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var lastDescriptor = descriptors[descriptors.length - 1];
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assert.notSameValue(result.DUPLICATE, lastDescriptor);
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assert.sameValue(result.DUPLICATE.enumerable, lastDescriptor.enumerable);
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assert.sameValue(result.DUPLICATE.configurable, lastDescriptor.configurable);
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assert.sameValue(result.DUPLICATE.value, lastDescriptor.value);
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assert.sameValue(result.DUPLICATE.writable, lastDescriptor.writable);
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assert.sameValue(log, 'ownKeys|getOwnPropertyDescriptor:DUPLICATE|getOwnPropertyDescriptor:DUPLICATE|getOwnPropertyDescriptor:DUPLICATE|');
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