test262/test/built-ins/Array/fromAsync/mapfn-sync-throws.js

23 lines
752 B
JavaScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array.fromasync
description: >
The output promise rejects if the synchronous mapping function throws.
info: |
3.j.ii.6. If _mapping_ is *true*, then
a. Let _mappedValue_ be Call(_mapfn_, _thisArg_, « _nextValue_, 𝔽(_k_) »).
b. IfAbruptCloseAsyncIterator(_mappedValue_, _iteratorRecord_).
...
flags: [async]
includes: [asyncHelpers.js]
features: [Array.fromAsync]
---*/
asyncTest(async () => {
await assert.throwsAsync(Test262Error, () => Array.fromAsync([1, 2, 3], () => {
throw new Test262Error("mapfn throws");
}), "sync mapfn throwing should cause fromAsync to reject");
});