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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-object.groupby
description: Object.groupBy calls function with correct arguments
info: |
Object.groupBy ( items, callbackfn )
...
GroupBy ( items, callbackfn, coercion )
6. Repeat,
e. Let key be Completion(Call(callbackfn, undefined, « value, 𝔽(k) »)).
...
features: [array-grouping]
---*/
const arr = [-0, 0, 1, 2, 3];
let calls = 0;
Object.groupBy(arr, function (n, i) {
calls++;
assert.sameValue(n, arr[i], "selected element aligns with index");
assert.sameValue(arguments.length, 2, "only two arguments are passed");
return null;
});
assert.sameValue(calls, 5, 'called for all 5 elements');
reportCompare(0, 0);
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