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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.
using System;
using System.Threading;
public class Test12224
{
// Regression test for EH getting stuck in an infinite loop when NullReferenceException
// happens inside a handler of another NullReferenceException.
static void ExecuteTest(object context)
{
string s = null;
try
{
try
{
int x = s.Length;
}
catch (NullReferenceException)
{
int x = s.Length;
}
}
catch (NullReferenceException)
{
}
}
public static int Main()
{
Thread thread = new Thread(new ParameterizedThreadStart(Test12224.ExecuteTest));
thread.IsBackground = true;
thread.Start(null);
// Give the thread 30 seconds to complete (it should be immediate). If it fails
// to complete within that timeout, it has hung.
bool terminated = thread.Join(new TimeSpan(0, 0, 30));
return terminated ? 100 : -1;
}
}
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