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30 lines
748 B
JavaScript
30 lines
748 B
JavaScript
// Copyright (c) 2023 Ecma International. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-map.groupby
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description: Map.groupBy does not coerce return value with ToPropertyKey
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info: |
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Map.groupBy ( items, callbackfn )
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...
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includes: [compareArray.js]
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features: [array-grouping, Map]
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---*/
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let calls = 0;
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const stringable = {
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toString: function toString() {
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return 1;
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}
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};
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const array = [1, '1', stringable];
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const map = Map.groupBy(array, function (v) { return v; });
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assert.compareArray(Array.from(map.keys()), [1, '1', stringable]);
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assert.compareArray(map.get('1'), ['1']);
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assert.compareArray(map.get(1), [1]);
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assert.compareArray(map.get(stringable), [stringable]);
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