mirror of https://github.com/tc39/test262.git
32 lines
839 B
JavaScript
32 lines
839 B
JavaScript
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-array.fromasync
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description: >
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Promise is rejected if the length of the array-like to copy is out of range
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info: |
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j. If _iteratorRecord_ is not *undefined*, then
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...
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k. Else,
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...
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iv. If IsConstructor(_C_) is *true*, then
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...
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v. Else,
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1. Let _A_ be ? ArrayCreate(_len_).
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ArrayCreate, step 1:
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1. If _length_ > 2³² - 1, throw a *RangeError* exception.
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includes: [asyncHelpers.js]
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flags: [async]
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features: [Array.fromAsync]
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---*/
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asyncTest(async function () {
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const notConstructor = {};
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await assert.throwsAsync(RangeError, () => Array.fromAsync.call(notConstructor, {
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length: 4294967296 // 2³²
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}), "Array-like with excessive length");
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});
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