tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

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 });