mirror of https://github.com/tc39/test262.git
55 lines
1.4 KiB
JavaScript
55 lines
1.4 KiB
JavaScript
// Copyright (C) 2020 Rick Waldron. 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-performpromiseallsettled
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description: >
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Cannot tamper with remainingElementsCount when Promise.allSettled reject element function is called multiple times.
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info: |
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Runtime Semantics: PerformPromiseAllSettled ( iteratorRecord, constructor, resultCapability, )
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If alreadyCalled.[[Value]] is true, return undefined.
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features: [Promise.allSettled]
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---*/
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let rejectCallCount = 0;
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let returnValue = {};
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let error = new Test262Error();
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function Constructor(executor) {
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function reject(value) {
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assert.sameValue(value, error);
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rejectCallCount += 1;
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return returnValue;
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}
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executor(() => {throw error}, reject);
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}
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Constructor.resolve = function(v) {
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return v;
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};
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Constructor.reject = function(v) {
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return v;
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};
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let pOnRejected;
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let p = {
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then(onResolved, onRejected) {
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pOnRejected = onRejected;
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onResolved();
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}
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};
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assert.sameValue(rejectCallCount, 0, 'rejectCallCount before call to allSettled()');
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Promise.allSettled.call(Constructor, [p]);
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assert.sameValue(rejectCallCount, 1, 'rejectCallCount after call to allSettled()');
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assert.sameValue(pOnRejected(), undefined);
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assert.sameValue(rejectCallCount, 1, 'rejectCallCount after call to pOnRejected()');
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pOnRejected();
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assert.sameValue(rejectCallCount, 1, 'rejectCallCount after call to pOnRejected()');
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