mirror of https://github.com/tc39/test262.git
24 lines
812 B
JavaScript
24 lines
812 B
JavaScript
// Copyright (C) 2023 Igalia, S.L. 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-array.fromasync
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description: >
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The output promise rejects if the asynchronous mapping function rejects.
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info: |
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3.j.ii.6. If _mapping_ is *true*, then
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a. Let _mappedValue_ be Call(_mapfn_, _thisArg_, « _nextValue_, 𝔽(_k_) »).
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...
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c. Set _mappedValue_ to Await(_mappedValue_).
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d. IfAbruptCloseAsyncIterator(_mappedValue_, _iteratorRecord_).
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flags: [async]
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includes: [asyncHelpers.js]
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features: [Array.fromAsync]
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---*/
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asyncTest(async () => {
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await assert.throwsAsync(Test262Error, () => Array.fromAsync([1, 2, 3], async () => {
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throw new Test262Error("mapfn throws");
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}), "async mapfn rejecting should cause fromAsync to reject");
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});
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