public bool UseWaitHandle()
{
try {
WaitHandle wh1 = this.CreateWaitHandle();
WaitHandle wh2 = this.CreateWaitHandle();
WaitHandle wh3 = this.CreateWaitHandle();
WaitHandle wh4 = this.CreateWaitHandle();
if (wh3.Equals(wh4))
{
return(false);
}
return(true);
}
catch (Exception e) { return(false); }
}
public static int Main(String [] args)
{
int rValue = 100;
WaitHandle wh = null;
Console.WriteLine("Test AutoResetEvent for expected NullRef Exceptions");
Console.WriteLine( );
// try {
// #pragma warning disable 618
// wh.Handle = new IntPtr(1);
// #pragma warning restore 618
// rValue = 1;
// }
// catch (NullReferenceException) {
// Console.WriteLine("Caught NullReferenceException (wh.Handle(new IntPtr(1)))");
// }
// try {
// #pragma warning disable 618
// IntPtr iptr = wh.Handle;
// #pragma warning restore 618
// rValue = 2;
// }
// catch (NullReferenceException) {
// Console.WriteLine("Caught NullReferenceException (IntPtr iptr = wh.Handle)");
// }
// try {
// wh.Close();
// rValue = 3;
// }
// catch (NullReferenceException) {
// Console.WriteLine("Caught NullReferenceException (wh.Close())");
// }
try {
wh.Equals(new ManualResetEvent(true));
rValue = 4;
}
catch (NullReferenceException) {
Console.WriteLine("Caught NullReferenceException (wh.Equals(new ManualResetEvent()))");
}
try {
wh.GetHashCode();
rValue = 5;
}
catch (NullReferenceException) {
Console.WriteLine("Caught NullReferenceException (wh.GetHasCode())");
}
// try {
// wh.GetLifetimeService();
// rValue = 6;
// }
// catch (NullReferenceException) {
// Console.WriteLine("Caught NullReferenceException (wh.GetLifetimeService())");
// }
try {
wh.GetType();
rValue = 7;
}
catch (NullReferenceException) {
Console.WriteLine("Caught NullReferenceException (wh.GetType())");
}
// try {
// wh.InitializeLifetimeService();
// rValue = 8;
// }
// catch (NullReferenceException) {
// Console.WriteLine("Caught NullReferenceException (wh.InitializeLifeTimeService())");
// }
try {
wh.ToString();
rValue = 11;
}
catch (NullReferenceException) {
Console.WriteLine("Caught NullReferenceException (wh.ToString())");
}
try {
wh.WaitOne();
rValue = 12;
}
catch (NullReferenceException) {
Console.WriteLine("Caught NullReferenceException (wh.WaitOne())");
}
try {
wh.WaitOne(1000); //,true);
rValue = 13;
}
catch (NullReferenceException) {
Console.WriteLine("Caught NullReferenceException (wh.WaitOne(int))");
}
// try {
// wh.WaitOne(1000,false);
// rValue = 14;
// }
// catch (NullReferenceException) {
// Console.WriteLine("Caught NullReferenceException (wh.WaitOne(int,bool))");
// }
try {
wh.WaitOne(new TimeSpan(1000)); //,true);
rValue = 15;
}
catch (NullReferenceException) {
Console.WriteLine("Caught NullReferenceException (wh.WaitOne(TimeSpan,bool))");
}
// try {
// wh.WaitOne(new TimeSpan(1000),false);
// rValue = 16;
// }
// catch (NullReferenceException) {
// Console.WriteLine("Caught NullReferenceException (wh.WaitOne(TimeSpan,bool))");
// }
Console.WriteLine("Return Code == {0}", rValue);
return(rValue);
}
