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* Automated assertion message update: Array.from * Automated assertion message update: Array.isArray * Automated assertion message update: Array length property * Automated assertion message update: Array.of * Automated assertion message update: Array * Automated assertion message update: Array.prototype.at * Automated assertion message update: Array.prototype.concat * Automated assertion message update: compareArray -> assert.compareArray
26 lines
612 B
JavaScript
26 lines
612 B
JavaScript
// Copyright 2015 Microsoft Corporation. All rights reserved.
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// This code is governed by the license found in the LICENSE file.
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/*---
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description: >
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Source is an object with length property and one item is deleted
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from the source
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esid: sec-array.from
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es6id: 22.1.2.1
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---*/
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var array = [2, 4, 0, 16];
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var expectedArray = [2, 4, , 16];
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var obj = {
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length: 4,
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0: 2,
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1: 4,
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2: 0,
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3: 16
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};
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delete obj[2];
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var a = Array.from(obj);
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for (var j = 0; j < expectedArray.length; j++) {
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assert.sameValue(a[j], expectedArray[j], 'The value of a[j] is expected to equal the value of expectedArray[j]');
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}
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