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// |reftest| async
// 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: >
Rejects the promise if setting the length fails on an instance of a custom
this-value
info: |
3.j.ii.4.a. Perform ? Set(_A_, *"length"*, 𝔽(_k_), *true*).
...
3.k.viii. Perform ? Set(_A_, *"length"*, 𝔽(_len_), *true*)
includes: [asyncHelpers.js]
flags: [async]
features: [Array.fromAsync]
---*/
asyncTest(async function () {
class MyArray {
set length(v) {
throw new Test262Error("setter of length property throws")
}
}
await assert.throwsAsync(Test262Error, () => Array.fromAsync.call(MyArray, [0, 1, 2]), "Promise rejected if setting length fails");
await assert.throwsAsync(Test262Error, () => Array.fromAsync.call(MyArray, {
length: 3,
0: 0,
1: 1,
2: 2
}), "Promise rejected if setting length from array-like fails");
});
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