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30 lines
766 B
JavaScript
30 lines
766 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-object.groupby
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description: Object.groupBy called with non-callable throws TypeError
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info: |
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Object.groupBy ( items, callbackfn )
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...
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GroupBy ( items, callbackfn, coercion )
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2. If IsCallable(callbackfn) is false, throw a TypeError exception.
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...
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features: [array-grouping]
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---*/
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assert.throws(TypeError, function() {
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Object.groupBy([], null)
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}, "null callback throws TypeError");
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assert.throws(TypeError, function() {
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Object.groupBy([], undefined)
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}, "undefined callback throws TypeError");
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assert.throws(TypeError, function() {
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Object.groupBy([], {})
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}, "object callback throws TypeError");
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