| // Copyright (c) 2012 Ecma International. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| es5id: 15.2.3.6-4-420 |
| description: > |
| ES5 Attributes - Failed to add a property to an object when the |
| object's prototype has a property with the same name and |
| [[Writable]] set to false(Function.prototype.bind) |
| includes: [propertyHelper.js] |
| ---*/ |
| |
| var foo = function() {}; |
| |
| Object.defineProperty(Function.prototype, "prop", { |
| value: 1001, |
| writable: false, |
| enumerable: false, |
| configurable: true |
| }); |
| |
| var obj = foo.bind({}); |
| assert(!obj.hasOwnProperty("prop")); |
| verifyNotWritable(foo, "prop", "noCheckOwnProp"); |
