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39 lines
1.0 KiB
JavaScript
39 lines
1.0 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: 15.2.3.6-4-507
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description: >
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ES5 Attributes - fail to update [[Get]] attribute of accessor
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property ([[Get]] is a Function, [[Set]] is undefined,
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[[Enumerable]] is true, [[Configurable]] is false) to different
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value
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---*/
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var obj = {};
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var getFunc = function() {
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return 1001;
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};
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Object.defineProperty(obj, "prop", {
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get: getFunc,
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set: undefined,
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enumerable: true,
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configurable: false
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});
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var result1 = obj.prop === 1001;
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var desc1 = Object.getOwnPropertyDescriptor(obj, "prop");
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assert.throws(TypeError, function() {
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Object.defineProperty(obj, "prop", {
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get: undefined
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});
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});
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var result2 = obj.prop === 1001;
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var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
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assert(result1, 'result1 !== true');
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assert(result2, 'result2 !== true');
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assert.sameValue(desc1.get, getFunc, 'desc1.get');
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assert.sameValue(desc2.get, getFunc, 'desc2.get');
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