15.2.3.12-2-a-2.js (692B)
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: 15.2.3.12-2-a-2 6 description: > 7 Object.isFrozen - 'P' is own data property that overrides an 8 inherited data property 9 ---*/ 10 11 var proto = {}; 12 13 Object.defineProperty(proto, "foo", { 14 value: 9, 15 writable: false, 16 configurable: false 17 }); 18 19 var Con = function() {}; 20 Con.prototype = proto; 21 var child = new Con(); 22 23 Object.defineProperty(child, "foo", { 24 value: 12, 25 writable: true, 26 configurable: false 27 }); 28 29 Object.preventExtensions(child); 30 31 assert.sameValue(Object.isFrozen(child), false, 'Object.isFrozen(child)'); 32 33 reportCompare(0, 0);