JSTests/ChakraCore/test/Array/popImplicitCall.js

//-------------------------------------------------------------------------------------------------------
// Copyright (C) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
//-------------------------------------------------------------------------------------------------------

function foo()
{
    var obj = {};

    Object.prototype.push = Array.prototype.push;
    Object.prototype.pop = Array.prototype.pop;
    var x;
    Object.defineProperty(obj, "length", {get: function() {x = true; return 5;}});

    x = false;

    try
    {
        var len = obj.pop();
    }
    catch (e)
    {
        WScript.Echo('caught exception calling pop');
    }

    WScript.Echo(x);
    WScript.Echo(len);

}

(foo());foo();