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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
59 lines
1.3 KiB
JavaScript
59 lines
1.3 KiB
JavaScript
// Copyright (C) 2015 the V8 project authors. 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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esid: sec-array.from
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description: Setting property on result value (traversed via iterator)
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info: |
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[...]
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6. If usingIterator is not undefined, then
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[...]
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g. Repeat
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[...]
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ix. Let defineStatus be CreateDataPropertyOrThrow(A, Pk,
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mappedValue).
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features: [Symbol.iterator]
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---*/
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var items = {};
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var firstIterResult = {
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done: false,
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value: {}
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};
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var secondIterResult = {
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done: false,
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value: {}
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};
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var thirdIterResult = {
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done: true,
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value: {}
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};
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var nextIterResult = firstIterResult;
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var nextNextIterResult = secondIterResult;
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var result;
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items[Symbol.iterator] = function() {
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return {
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next: function() {
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var result = nextIterResult;
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nextIterResult = nextNextIterResult;
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nextNextIterResult = thirdIterResult;
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return result;
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}
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};
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};
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result = Array.from(items);
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assert.sameValue(
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result[0],
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firstIterResult.value,
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'The value of result[0] is expected to equal the value of firstIterResult.value'
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);
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assert.sameValue(
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result[1],
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secondIterResult.value,
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'The value of result[1] is expected to equal the value of secondIterResult.value'
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);
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