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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: >
Use the intrinsic @@iterator and @@asyncIterator to check iterability
includes: [compareArray.js, asyncHelpers.js]
flags: [async]
features: [Array.fromAsync]
---*/
asyncTest(async function () {
// Replace the user-reachable Symbol.iterator and Symbol.asyncIterator with
// fake symbol keys
const originalSymbol = globalThis.Symbol;
const fakeIteratorSymbol = Symbol("iterator");
const fakeAsyncIteratorSymbol = Symbol("asyncIterator");
globalThis.Symbol = {
iterator: fakeIteratorSymbol,
asyncIterator: fakeAsyncIteratorSymbol,
};
const input = {
length: 3,
0: 0,
1: 1,
2: 2,
[fakeIteratorSymbol]() {
throw new Test262Error("The fake Symbol.iterator method should not be called");
},
[fakeAsyncIteratorSymbol]() {
throw new Test262Error("The fake Symbol.asyncIterator method should not be called");
}
};
const output = await Array.fromAsync(input);
assert.compareArray(output, [0, 1, 2]);
globalThis.Symbol = originalSymbol;
});
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