diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/fromAsync/this-constructor-with-bad-length-setter.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/fromAsync/this-constructor-with-bad-length-setter.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/fromAsync/this-constructor-with-bad-length-setter.js b/js/src/tests/test262/built-ins/Array/fromAsync/this-constructor-with-bad-length-setter.js new file mode 100644 index 0000000000..b3cf982af7 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/fromAsync/this-constructor-with-bad-length-setter.js @@ -0,0 +1,34 @@ +// |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"); +}); |