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