ENH: add new cxx version of test tiling.

Rendering/Testing/Cxx/CMakeLists.txt

@@ -43,6 +43,7 @@ IF(VTK_USE_DISPLAY)
     TestTextActorDepthPeeling.cxx
     TestTextActor3DAlphaBlending.cxx
     TestTextActor3DDepthPeeling.cxx
+    TestTilingCxx.cxx
     TestTranslucentLUTAlphaBlending.cxx
     TestTranslucentLUTDepthPeeling.cxx
     TestTranslucentLUTDepthPeelingPass.cxx

Rendering/Testing/Cxx/TestTilingCxx.cxx

@@ -158,7 +158,6 @@ int TestTilingCxx(int argc, char* argv[])
     {
     iren->Start();
     }
-  iren->Delete();
 
   return !retVal;
 }