diff --git a/OpenSim/Region/ScriptEngine/Shared/CodeTools/Tests/LSL_EventTests.cs b/OpenSim/Region/ScriptEngine/Shared/CodeTools/Tests/LSL_EventTests.cs
new file mode 100644
index 0000000000..2a1c19cddc
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+++ b/OpenSim/Region/ScriptEngine/Shared/CodeTools/Tests/LSL_EventTests.cs
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Text.RegularExpressions;
+using NUnit.Framework;
+using OpenSim.Region.ScriptEngine.Shared.CodeTools;
+using OpenSim.Tests.Common;
+
+namespace OpenSim.Region.ScriptEngine.Shared.Tests
+{
+    public class LSL_EventTests : OpenSimTestCase
+    {
+        [Test]
+        public void TestStateEntryEvent()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            CSCodeGenerator cg = new CSCodeGenerator();
+            cg.Convert("default { state_entry() {} }");
+
+            {
+                bool gotException = false;
+
+                try
+                {
+                    cg.Convert("default { state_entry(integer n) {} }");
+                }
+                catch (Exception )
+                {
+                    gotException = true;
+                }
+
+                Assert.That(gotException, Is.True);
+            }
+        }
+    }
+}
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