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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/**************************************************************
/* a test case based on DoubLinkStay. Instead of saving references
/* into array, it save them into List<object>
/* to see if GC can handle Collections references correctly.
/**************************************************************/
namespace DoubLink {
using System;
using System.Collections.Generic;
public class DLCollect
{
internal DoubLink []Mv_Doub;
internal List<DoubLink> Mv_Collect;
public static int Main(String [] Args)
{
int iRep = 0;
int iObj = 0;
Console.WriteLine("Test should return with ExitCode 100 ...");
switch( Args.Length )
{
case 1:
if (!Int32.TryParse( Args[0], out iRep ))
{
iRep = 20;
}
break;
case 2:
if (!Int32.TryParse( Args[0], out iRep ))
{
iRep = 20;
}
if (!Int32.TryParse( Args[1], out iObj ))
{
iObj = 10;
}
break;
default:
iRep = 20;
iObj = 10;
break;
}
DLCollect Mv_Leak = new DLCollect();
if(Mv_Leak.runTest(iRep, iObj ))
{
Console.WriteLine("Test Passed");
return 100;
}
Console.WriteLine("Test Failed");
return 1;
}
public bool runTest(int iRep, int iObj)
{
Mv_Collect = new List<DoubLink>(iRep);
for(int i=0; i <10; i++)
{
SetLink(iRep, iObj);
Mv_Collect.RemoveRange(0, Mv_Collect.Count);
GC.Collect();
}
GC.WaitForPendingFinalizers();
if (DLinkNode.FinalCount != iRep * iObj * 10)
{
// see github#4093 for the rationale for fail-fast in this test.
Environment.FailFast(string.Empty);
}
Console.WriteLine("{0} DLinkNodes finalized", DLinkNode.FinalCount);
return (DLinkNode.FinalCount==iRep*iObj*10);
}
public void SetLink(int iRep, int iObj)
{
Mv_Doub = new DoubLink[iRep];
for(int i=0; i<iRep; i++)
{
// create DoubLink element in array
Mv_Doub[i] = new DoubLink(iObj);
// add DoubLink element to List<object>
Mv_Collect.Add(Mv_Doub[i]);
// kill reference to DoubLink in array
Mv_Doub[i] = null;
}
}
}
}
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