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40 lines
1.2 KiB
JavaScript
40 lines
1.2 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: 15.2.3.6-4-360-2
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description: >
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ES5 Attributes - Updating data property 'P' whose attributes are
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[[Writable]]: false, [[Enumerable]]: true, [[Configurable]]: true
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to an accessor property, 'O' is an Arguments object (8.12.9 - step
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9.b.i)
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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, "prop", {
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value: 2010,
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writable: false,
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enumerable: true,
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configurable: true
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});
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var desc1 = Object.getOwnPropertyDescriptor(obj, "prop");
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function getFunc() {
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return 20;
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}
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Object.defineProperty(obj, "prop", {
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get: getFunc
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});
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var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
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assert(desc1.hasOwnProperty("value"), 'desc1.hasOwnProperty("value") !== true');
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assert(desc2.hasOwnProperty("get"), 'desc2.hasOwnProperty("get") !== true');
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assert.sameValue(desc2.enumerable, true, 'desc2.enumerable');
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assert.sameValue(desc2.configurable, true, 'desc2.configurable');
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assert.sameValue(obj.prop, 20, 'obj.prop');
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assert.sameValue(typeof desc2.set, "undefined", 'typeof desc2.set');
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assert.sameValue(desc2.get, getFunc, 'desc2.get');
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