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// |reftest| async
// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with an object with a "poisoned" `then` property
esid: sec-promise.allsettled
info: |
Runtime Semantics: PerformPromiseAllSettled ( iteratorRecord, constructor, resultCapability )
4. Let remainingElementsCount be a new Record { [[Value]]: 1 }.
...
6.d ...
ii. Set remainingElementsCount.[[value]] to remainingElementsCount.[[value]] − 1.
iii. If remainingElementsCount.[[value]] is 0, then
1. Let valuesArray be CreateArrayFromList(values).
2. Perform ? Call(resultCapability.[[Resolve]], undefined, « valuesArray »).
...
flags: [async]
features: [Promise.allSettled]
---*/
var value = {};
var promise;
try {
Object.defineProperty(Array.prototype, 'then', {
get() {
throw value;
},
configurable: true
});
promise = Promise.allSettled([]);
} finally {
delete Array.prototype.then;
}
promise.then(function() {
$DONE('The promise should not be fulfilled.');
}, function(val) {
if (val !== value) {
$DONE('The promise should be rejected with the expected value.');
return;
}
$DONE();
});