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34 lines
1.0 KiB
JavaScript
34 lines
1.0 KiB
JavaScript
// Copyright (C) 2020 Rick Waldron. 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.getownpropertynames
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description: >
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Object.getOwnPropertyNames called with an invalid non-object value
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info: |
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GetOwnPropertyKeys ( O, type )
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Let obj be ? ToObject(O).
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Let keys be ? obj.[[OwnPropertyKeys]]().
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Let nameList be a new empty List.
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For each element nextKey of keys, do
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If Type(nextKey) is Symbol and type is symbol or Type(nextKey) is String and type is string, then
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Append nextKey as the last element of nameList.
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Return CreateArrayFromList(nameList).
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features: [Symbol]
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---*/
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let count = 0;
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assert.throws(TypeError, () => {
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count++;
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Object.getOwnPropertyNames(undefined);
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}, '`Object.getOwnPropertyNames(undefined)` throws TypeError');
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assert.throws(TypeError, () => {
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count++;
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Object.getOwnPropertyNames(null);
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}, '`Object.getOwnPropertyNames(null)` throws TypeError');
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assert.sameValue(count, 2, 'The value of `count` is 2');
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