ChakraCore/test/TTExecuteBasic/forInArrayAdd.js at master · chakra-core/ChakraCore · GitHub

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

//
//NOTE: this may break if enumeration order policy is changed in Chakra but that doesn't mean we have a bug in TTD
//

var a = [11,22,33,44];
a.x = "a.x";
a.y = "a.y";
a.z = "a.z";

var d = [1];
var counter = 0;

WScript.SetTimeout(testFunction, 50);

/////////////////

function testFunction()
{
    telemetryLog("Scenario:1 - Adding new array indexes while enumerating expandos", true);

    for(var i in a)
    {
        if(i == "y")
        {
            a[5] = 55;
            a[6] = 66;
        }
        telemetryLog(`Index:${i} Value:${a[i]}`, true);
    }

    telemetryLog("Scenario:2 - Adding new array expandos while enumerating array for second time", true);

    for(var i in a)
    {
        if(i == "z")
        {
            a[7] = 77;
            a[9] = 99;
        }
        if(i == "7")
        {
            a.xx = "a.xx";
            a.yy = "a.yy";
        }
        telemetryLog(`Index:${i} Value:${a[i]}`, true);
    }

    telemetryLog("Scenario:3 - Adding new array expandos while enumerating Object for second time", true);

    var b = [11,22,33,44];
    b.x = "b.x";
    b.y = "b.y";
    b.z = "b.z";

    for(var i in b)
    {
        if(i == "x")
        {
            b[5] = 55;
            b[7] = 77;
        }
        if(i == "7")
        {
            b.xx = "b.xx";
            b.yy = "b.yy";
        }

        if(i == "xx")
        {
            b[9] = 99;
            b[10] = 1010;
        }

        if(i == "9")
        {
            b.zz = "b.zz";
        }
        telemetryLog(`Index:${i} Value:${b[i]}`, true);
    }

    telemetryLog("Scenario:3 - Adding new array expandos while enumerating Object for second time", true);

    var b = [11,22,33,44];
    b.x = "b.x";
    b.y = "b.y";
    b.z = "b.z";

    for(var i in b)
    {
        if(i == "x")
        {
            b[5] = 55;
            b[7] = 77;
        }
        if(i == "7")
        {
            b.xx = "b.xx";
            b.yy = "b.yy";
        }

        if(i == "xx")
        {
            b[9] = 99;
            b[10] = 1010;
        }

        if(i == "9")
        {
            b.zz = "b.zz";
        }
        telemetryLog(`Index:${i} Value:${b[i]}`, true);
    }

    telemetryLog("Scenario:4 - random additions", true);

    for(var i in d)
    {
        if(counter == 25)
        {
            break;
        }
        if(counter%2 == 1)
        {
            d[counter*counter] = counter*counter;
        }
        else
        {
            d["x"+counter] = "d.x"+counter;
        }
        telemetryLog(`Index:${i} Value:${d[i]}`, true);
        counter++;
    }

    emitTTDLog(ttdLogURI);
}