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452c0e5c61
* 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
38 lines
916 B
JavaScript
38 lines
916 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: Source object has iterator
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esid: sec-array.from
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es6id: 22.1.2.1
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features: [Symbol.iterator]
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---*/
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var array = [2, 4, 8, 16, 32, 64, 128];
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var obj = {
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[Symbol.iterator]() {
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return {
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index: 0,
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next() {
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return {
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value: this.val,
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done: this.isDone
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};
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},
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isDone: false,
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get val() {
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this.index++;
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if (this.index > 7) {
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this.isDone = true;
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}
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return 1 << this.index;
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}
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};
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}
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};
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var a = Array.from.call(Object, obj);
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assert.sameValue(typeof a, typeof {}, 'The value of `typeof a` is expected to be typeof {}');
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for (var j = 0; j < a.length; j++) {
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assert.sameValue(a[j], array[j], 'The value of a[j] is expected to equal the value of array[j]');
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}
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