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39 lines
1.1 KiB
JavaScript
39 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: 15.2.3.6-4-339-4
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description: >
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Object.defineProperty - Updating indexed data property 'P' with
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attributes [[Writable]]: true, [[Enumerable]]: true,
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[[Configurable]]: false to an accessor property does not succeed,
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'O' is an Arguments object (8.12.9 - step 9.a)
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---*/
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var obj = (function() {
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return arguments;
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}());
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Object.defineProperty(obj, "0", {
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value: 2010,
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writable: true,
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enumerable: true,
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configurable: false
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});
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var propertyDefineCorrect = obj.hasOwnProperty("0");
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var desc1 = Object.getOwnPropertyDescriptor(obj, "0");
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function getFunc() {
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return 20;
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}
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assert.throws(TypeError, function() {
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Object.defineProperty(obj, "0", {
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get: getFunc
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});
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});
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var desc2 = Object.getOwnPropertyDescriptor(obj, "0");
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assert(propertyDefineCorrect, 'propertyDefineCorrect !== true');
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assert.sameValue(desc1.value, 2010, 'desc1.value');
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assert.sameValue(obj[0], 2010, 'obj[0]');
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assert.sameValue(typeof desc2.get, "undefined", 'typeof desc2.get');
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