Some more refactoring/ cleaning of test case files

internal/catch_interfaces_testcase.h

@@ -0,0 +1,40 @@
+/*
+ *  catch_interfaces_testcase.h
+ *  Test
+ *
+ *  Created by Phil on 07/01/2011.
+ *  Copyright 2011 Two Blue Cubes Ltd. All rights reserved.
+ *
+ *  Distributed under the Boost Software License, Version 1.0. (See accompanying
+ *  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+ *
+ */
+
+#ifndef TWOBLUECUBES_CATCH_INTERFACES_TESTCASE_H_INCLUDED
+#define TWOBLUECUBES_CATCH_INTERFACES_TESTCASE_H_INCLUDED
+
+namespace Catch
+{
+    struct ITestCase
+    {
+        virtual ~ITestCase
+        ()
+        {}
+        
+        virtual void invoke
+            () const = 0;
+        
+        virtual ITestCase* clone
+            () const = 0;
+        
+        virtual bool operator == 
+            ( const ITestCase& other 
+            ) const = 0;
+        
+        virtual bool operator < 
+            ( const ITestCase& other 
+            ) const = 0;
+    };
+
+}
+#endif // TWOBLUECUBES_CATCH_INTERFACES_TESTCASE_H_INCLUDED