JSTests/test262/test/built-ins/Function/prototype/bind/15.3.4.5-15-5.js

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

/*---
es5id: 15.3.4.5-15-5
description: >
    Function.prototype.bind - The [[Configurable]] attribute of length
    property in F set as true
---*/

var canConfigurable = false;
var hasProperty = false;

function foo() {}
var obj = foo.bind({});
hasProperty = obj.hasOwnProperty("length");
delete obj.length;
canConfigurable = !obj.hasOwnProperty("length");

assert(hasProperty, 'hasProperty !== true');
assert(canConfigurable, 'canConfigurable !== true');