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40 lines
1.3 KiB
JavaScript
40 lines
1.3 KiB
JavaScript
// Copyright (C) 2019 Sergey Rubanov. 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-promise.any
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description: >
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Promise.any([]) rejects with AggregateError, empty errors array.
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info: |
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Runtime Semantics: PerformPromiseAny ( iteratorRecord, constructor, resultCapability )
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...
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3. Let errors be a new empty List.
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...
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8. Repeat,
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a. Let next be IteratorStep(iteratorRecord).
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b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
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c. ReturnIfAbrupt(next).
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d. If next is false, then
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i. Set iteratorRecord.[[Done]] to true.
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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 error be a newly created AggregateError object.
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2. Set error.[[AggregateErrors]] to errors.
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3. Return ThrowCompletion(error).
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...
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flags: [async]
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features: [AggregateError, Promise.any, arrow-function]
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---*/
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Promise.any([])
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.then(
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() => $DONE('The promise should be rejected, but was resolved'),
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error => {
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assert.sameValue(Object.getPrototypeOf(error), AggregateError.prototype);
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assert(error instanceof AggregateError);
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assert.sameValue(error.errors.length, 0);
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}
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).then($DONE, $DONE);
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