// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 8.14.4-8-b_1 description: Non-writable property on a prototype written to. flags: [noStrict] includes: [runTestCase.js] ---*/ function testcase() { function foo() {}; Object.defineProperty(foo.prototype, "bar", {value: "unwritable"}); var o = new foo(); o.bar = "overridden"; return o.hasOwnProperty("bar")===false && o.bar==="unwritable"; } runTestCase(testcase);