mirror of https://github.com/tc39/test262.git
23 lines
807 B
JavaScript
23 lines
807 B
JavaScript
// Copyright (C) 2017 Caio Lima. 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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description: Mapped arguments object with non-configurable property property descriptor behavior
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info: |
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Descriptor of a mapped value is updated when property is made non-configurable.
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flags: [noStrict]
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esid: sec-arguments-exotic-objects-defineownproperty-p-desc
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includes: [propertyHelper.js]
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---*/
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function argumentsNonConfigurable(a) {
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Object.defineProperty(arguments, "0", {configurable: false});
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let propertyDescriptor = Object.getOwnPropertyDescriptor(arguments, "0");
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assert.sameValue(propertyDescriptor.value, 1);
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verifyEnumerable(arguments, "0");
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verifyWritable(arguments, "0");
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verifyNotConfigurable(arguments, "0");
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}
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argumentsNonConfigurable(1);
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