1 files changed, 76 insertions, 0 deletions
diff --git a/tests/src/baseservices/threading/coverage/Nullref/CS_RWHNullRefEx.cs b/tests/src/baseservices/threading/coverage/Nullref/CS_RWHNullRefEx.cs
new file mode 100644
index 0000000000..d50826df4c
--- /dev/null
+++ b/tests/src/baseservices/threading/coverage/Nullref/CS_RWHNullRefEx.cs
@@ -0,0 +1,76 @@
+// 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 mytest {
+	public static int Main(String [] args) {
+		int                   rValue = 100;
+		RegisteredWaitHandle  rwh    = null;
+		
+		Console.WriteLine("Test AutoResetEvent for expected NullRef Exceptions");
+		Console.WriteLine( );
+
+		
+		try {
+			rwh.Equals(new ManualResetEvent(true));
+			rValue = 4;
+		}
+		catch (NullReferenceException) {
+			Console.WriteLine("Caught NullReferenceException   (rwh.Equals(new ManualResetEvent()))");
+		}
+
+		try {
+			rwh.GetHashCode();
+			rValue = 5;
+		}
+		catch (NullReferenceException) {
+			Console.WriteLine("Caught NullReferenceException   (rwh.GetHasCode())");
+		}
+
+		// try {
+		// 	rwh.GetLifetimeService();
+		// 	rValue = 6;
+		// }
+		// catch (NullReferenceException) {
+		// 	Console.WriteLine("Caught NullReferenceException   (rwh.GetLifetimeService())");
+		// }		
+
+		try {
+			rwh.GetType();
+			rValue = 7;
+		}
+		catch (NullReferenceException) {
+			Console.WriteLine("Caught NullReferenceException   (rwh.GetType())");
+		}
+
+		// try {
+		// 	rwh.InitializeLifetimeService();
+		// 	rValue = 8;
+		// }
+		// catch (NullReferenceException) {
+		// 	Console.WriteLine("Caught NullReferenceException   (rwh.InitializeLifeTimeService())");
+		// }
+
+		try {
+			rwh.ToString();
+			rValue = 11;
+		}
+		catch (NullReferenceException) {
+			Console.WriteLine("Caught NullReferenceException   (rwh.ToString())");
+		}
+
+		try {
+			rwh.Unregister(new AutoResetEvent(true));
+			rValue = 12;
+		}
+		catch (NullReferenceException) {
+			Console.WriteLine("Caught NullReferenceException   (rwh.Unregister())");
+		}
+		
+
+		Console.WriteLine("Return Code == {0}",rValue);
+		return rValue;
+	}
+}