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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
53 lines
1.3 KiB
JavaScript
53 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: Error 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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x. If defineStatus is an abrupt completion, return
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IteratorClose(iterator, defineStatus).
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features: [Symbol.iterator]
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---*/
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var constructorSetsIndex0ConfigurableFalse = function() {
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Object.defineProperty(this, '0', {
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writable: true,
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configurable: false
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});
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};
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var closeCount = 0;
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var items = {};
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var nextResult = {
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done: false
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};
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items[Symbol.iterator] = function() {
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return {
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return: function() {
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closeCount += 1;
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},
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next: function() {
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var result = nextResult;
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nextResult = {
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done: true
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};
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return result;
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}
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};
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};
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assert.throws(TypeError, function() {
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Array.from.call(constructorSetsIndex0ConfigurableFalse, items);
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}, 'Array.from.call(constructorSetsIndex0ConfigurableFalse, items) throws a TypeError exception');
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assert.sameValue(closeCount, 1, 'The value of closeCount is expected to be 1');
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