mapfn-async-throws.js (831B)
1 // |reftest| async 2 // Copyright (C) 2023 Igalia, S.L. All rights reserved. 3 // This code is governed by the BSD license found in the LICENSE file. 4 5 /*--- 6 esid: sec-array.fromasync 7 description: > 8 The output promise rejects if the asynchronous mapping function rejects. 9 info: | 10 3.j.ii.6. If _mapping_ is *true*, then 11 a. Let _mappedValue_ be Call(_mapfn_, _thisArg_, « _nextValue_, 𝔽(_k_) »). 12 ... 13 c. Set _mappedValue_ to Await(_mappedValue_). 14 d. IfAbruptCloseAsyncIterator(_mappedValue_, _iteratorRecord_). 15 flags: [async] 16 includes: [asyncHelpers.js] 17 features: [Array.fromAsync] 18 ---*/ 19 20 asyncTest(async () => { 21 await assert.throwsAsync(Test262Error, () => Array.fromAsync([1, 2, 3], async () => { 22 throw new Test262Error("mapfn throws"); 23 }), "async mapfn rejecting should cause fromAsync to reject"); 24 });