test/language/expressions/assignment/8.14.4-8-b_1.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19

// 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);