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// Copyright (c) 2023 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-map.groupby
description: Map.groupBy populates Map with correct keys and values
info: |
Map.groupBy ( items, callbackfn )
...
includes: [compareArray.js]
features: [array-grouping, Map]
---*/
const array = [1, 2, 3];
const map = Map.groupBy(array, function (i) {
return i % 2 === 0 ? 'even' : 'odd';
});
assert.compareArray(Array.from(map.keys()), ['odd', 'even']);
assert.compareArray(map.get('even'), [2]);
assert.compareArray(map.get('odd'), [1, 3]);
reportCompare(0, 0);
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