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41 lines
1.1 KiB
JavaScript
41 lines
1.1 KiB
JavaScript
// Copyright (c) 2012 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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es5id: 15.2.3.6-4-318
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description: >
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Object.defineProperty - 'O' is an Arguments object, 'name' is
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generic own data property of 'O', test TypeError is thrown when
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updating the [[Writable]] attribute value of 'name' which is not
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configurable (10.6 [[DefineOwnProperty]] step 4)
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includes: [propertyHelper.js]
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---*/
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(function() {
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Object.defineProperty(arguments, "genericProperty", {
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writable: false,
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configurable: false
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});
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try {
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Object.defineProperty(arguments, "genericProperty", {
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writable: true
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});
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throw new Test262Error("Expected an exception.");
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} catch (e) {
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verifyEqualTo(arguments, "genericProperty", undefined);
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verifyNotWritable(arguments, "genericProperty");
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verifyNotEnumerable(arguments, "genericProperty");
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verifyNotConfigurable(arguments, "genericProperty");
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if (!(e instanceof TypeError)) {
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throw new Test262Error("Expected TypeError, got " + e);
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}
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}
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}(1, 2, 3));
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