test262/test/built-ins/Promise/allSettled/resolves-to-array.js

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// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-promise.allsettled
description: Promise.allSettled returned a promise resolves into an array
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 arg = [];
Promise.allSettled([]).then(function(result) {
assert(Array.isArray(result));
assert.sameValue(Object.getPrototypeOf(result), Array.prototype);
assert.notSameValue(result, arg, 'the resolved array is a new array');
}).then($DONE, $DONE);