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// |reftest| shell-option(--enable-array-from-async) skip-if(!Array.fromAsync||!xulRuntime.shell) async -- Array.fromAsync is not enabled unconditionally, requires shell-options
// Copyright (C) 2022 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array.fromasync
description: >
Array.fromAsync tries the various properties in order
includes: [asyncHelpers.js, compareArray.js, temporalHelpers.js]
flags: [async]
features: [Array.fromAsync]
---*/
asyncTest(async function () {
const actual = [];
const items = {};
TemporalHelpers.observeProperty(actual, items, Symbol.asyncIterator, undefined, "items");
TemporalHelpers.observeProperty(actual, items, Symbol.iterator, undefined, "items");
TemporalHelpers.observeProperty(actual, items, "length", 2, "items");
TemporalHelpers.observeProperty(actual, items, 0, 2, "items");
TemporalHelpers.observeProperty(actual, items, 1, 1, "items");
const result = await Array.fromAsync(items);
assert.compareArray(result, [2, 1]);
assert.compareArray(actual, [
"get items[Symbol.asyncIterator]",
"get items[Symbol.iterator]",
"get items.length",
"get items[0]",
"get items[1]",
]);
});
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