1 files changed, 43 insertions, 0 deletions
diff --git a/tests/src/baseservices/threading/semaphore/ctoropen/semaphoreopenneg7.cs b/tests/src/baseservices/threading/semaphore/ctoropen/semaphoreopenneg7.cs
new file mode 100644
index 0000000000..ff36723e14
--- /dev/null
+++ b/tests/src/baseservices/threading/semaphore/ctoropen/semaphoreopenneg7.cs
@@ -0,0 +1,43 @@
+// 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;
+
+class OpenSemaphoreNeg
+{
+    public static int Main()
+    {
+        OpenSemaphoreNeg osn = new OpenSemaphoreNeg();
+        return osn.Run();
+    }
+   
+    private int Run()
+    {
+        int iRet = -1;
+        string sName = Common.GetUniqueName();
+        //  open a semaphore with the same name as a mutex
+        EventWaitHandle ewh = new EventWaitHandle(false, 
+            EventResetMode.AutoReset, sName);
+        try
+        {
+            using(Semaphore sem = Semaphore.OpenExisting(sName))
+            {
+            }
+        }
+        catch (WaitHandleCannotBeOpenedException)
+        {
+            //Expected	
+            iRet = 100;
+        }
+        catch (Exception e)
+        {
+            Console.WriteLine("Caught unexpected exception: " + 
+                e.ToString());
+        }
+
+        Console.WriteLine(100 == iRet ? "Test Passed" : "Test Failed");
+        return iRet;
+    }
+}
+\ No newline at end of file