JSTests/ChakraCore/test/Error/stack.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 printError(e) {
    print(e.name);
    print(e.number);
    print(e.description);
}
function print(str) {
    if (typeof (WScript) == "undefined") {
        print(str);
    }
    else {
        WScript.Echo(str);
    }
}

for (var i = 1; i < 4; i++) {
    print("\n#" + i);
    try {
        try {
            function f() {
                f();
            }
            f();
        } finally {
            print("In finally");
        }
    }
    catch (e) {
        printError(e);
    }
}

print("testing stack overflow handling with catch block");
try {
    function stackOverFlowCatch() {
        try {
            stackOverFlowCatch();
            while (true) {
            }

        }
        catch (e) {
            throw e;
        }
    }
    stackOverFlowCatch();
}
catch (e) {
    printError(e);
}

print("testing stack overflow handling with finally block");
try
{
    function stackOverFlowFinally() {
        try {
            stackOverFlowFinally();
            while (true) {
            }
        }
        finally {
            DoSomething();
        }
    }
    stackOverFlowFinally();
}
catch(e) {
    printError(e);
}

function DoSomething()
{
}

try
{
    var count = 200000; // Keep this unrealistic number as we do (osx)
                        // and do not limit stack memory to a particular capacity

    var a = {};
    var b = a;

    for (var i = 0; i < count; i++)
    {
        a.x = {};
        a = a.x;
    }
    eval("JSON.stringify(b)");
}
catch(e) {
    printError(e);
}