test/built-ins/Object/defineProperty/15.2.3.6-4-418.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 15.2.3.6-4-418
description: >
    ES5 Attributes - Successfully add a property to an object when the
    object's prototype has a property with the same name and
    [[Writable]] set to true (Function.prototype.bind)
---*/

        var foo = function () { };

            Object.defineProperty(Function.prototype, "prop", {
                value: 1001,
                writable: true,
                enumerable: true,
                configurable: true
            });

            var obj = foo.bind({});
            obj.prop = 1002;

assert(obj.hasOwnProperty("prop"), 'obj.hasOwnProperty("prop") !== true');
assert.sameValue(obj.prop, 1002, 'obj.prop');