mirror of https://github.com/tc39/test262.git
47 lines
1.2 KiB
JavaScript
47 lines
1.2 KiB
JavaScript
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// Copyright (C) 2019 Leo Balter. 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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description: Resolving with an object with a "poisoned" `then` property
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esid: sec-promise.allsettled
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info: |
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Runtime Semantics: PerformPromiseAllSettled ( iteratorRecord, constructor, resultCapability )
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4. Let remainingElementsCount be a new Record { [[Value]]: 1 }.
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...
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6.d ...
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ii. Set remainingElementsCount.[[value]] to remainingElementsCount.[[value]] − 1.
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iii. If remainingElementsCount.[[value]] is 0, then
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1. Let valuesArray be CreateArrayFromList(values).
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2. Perform ? Call(resultCapability.[[Resolve]], undefined, « valuesArray »).
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...
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flags: [async]
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features: [Promise.allSettled]
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---*/
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var value = {};
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var promise;
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try {
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Object.defineProperty(Array.prototype, 'then', {
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get() {
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throw value;
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},
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configurable: true
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});
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promise = Promise.allSettled([]);
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} finally {
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delete Array.prototype.then;
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}
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promise.then(function() {
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$DONE('The promise should not be fulfilled.');
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}, function(val) {
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if (val !== value) {
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$DONE('The promise should be rejected with the expected value.');
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return;
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}
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$DONE();
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});
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