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27 lines
747 B
JavaScript
27 lines
747 B
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.defineproperty
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description: >
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Property description must be an object (undefined)
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info: |
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ObjectDefineProperties ( O, Properties )
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...
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For each element nextKey of keys, do
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Let propDesc be ? props.[[GetOwnProperty]](nextKey).
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If propDesc is not undefined and propDesc.[[Enumerable]] is true, then
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Let descObj be ? Get(props, nextKey).
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Let desc be ? ToPropertyDescriptor(descObj).
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...
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ToPropertyDescriptor ( Obj )
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If Type(Obj) is not Object, throw a TypeError exception.
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...
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---*/
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assert.throws(TypeError, () => {
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Object.defineProperty({}, 'a', undefined);
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});
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