15.2.3.6-4-31.js (750B)
1 // Copyright (c) 2012 Ecma International. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 es5id: 15.2.3.6-4-31 6 description: > 7 Object.defineProperty - 'name' is own accessor property without a 8 get function that overrides an inherited accessor property(8.12.9 9 step 1) 10 ---*/ 11 12 var proto = {}; 13 Object.defineProperty(proto, "foo", { 14 get: function() {}, 15 configurable: true 16 }); 17 18 var ConstructFun = function() {}; 19 ConstructFun.prototype = proto; 20 var obj = new ConstructFun(); 21 Object.defineProperty(obj, "foo", { 22 set: function() {}, 23 configurable: false 24 }); 25 assert.throws(TypeError, function() { 26 Object.defineProperty(obj, "foo", { 27 configurable: true 28 }); 29 }); 30 31 reportCompare(0, 0);