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Remove duplicate property keys from getOwnPropertyDescriptors 

Because Proxies no longer allow to return duplicate property keys.
This commit is contained in:
André Bargull 2017-09-02 00:28:09 +02:00 committed by Leo Balter
parent ed2093b5f0
commit f3cd58335f
1 changed files with 0 additions and 38 deletions
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38
test/built-ins/Object/getOwnPropertyDescriptors/duplicate-keys.js
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@ -1,38 +0,0 @@
// Copyright (C) 2016 Jordan Harband. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Object.getOwnPropertyDescriptors on a proxy with duplicate ownKeys should work
esid: sec-object.getownpropertydescriptors
author: Jordan Harband
features: [Proxy]
---*/
var i = 0;
var descriptors = [
{ enumerable: false, value: "A1", writable: true, configurable: true },
{ enumerable: true, value: "A2", writable: true, configurable: true }
];
var log = '';
var proxy = new Proxy({}, {
ownKeys() {
log += 'ownKeys|';
return ['DUPLICATE', 'DUPLICATE', 'DUPLICATE'];
},
getOwnPropertyDescriptor(t, name) {
log += 'getOwnPropertyDescriptor:' + name + '|';
return descriptors[i++];
}
});
var result = Object.getOwnPropertyDescriptors(proxy);
assert.sameValue(result.hasOwnProperty('DUPLICATE'), true);
var lastDescriptor = descriptors[descriptors.length - 1];
assert.notSameValue(result.DUPLICATE, lastDescriptor);
assert.sameValue(result.DUPLICATE.enumerable, lastDescriptor.enumerable);
assert.sameValue(result.DUPLICATE.configurable, lastDescriptor.configurable);
assert.sameValue(result.DUPLICATE.value, lastDescriptor.value);
assert.sameValue(result.DUPLICATE.writable, lastDescriptor.writable);
assert.sameValue(log, 'ownKeys|getOwnPropertyDescriptor:DUPLICATE|getOwnPropertyDescriptor:DUPLICATE|getOwnPropertyDescriptor:DUPLICATE|');