diff --git a/tests/43session.tests b/tests/43session.tests
index 083df1c4e..2999d6d68 100644
--- a/tests/43session.tests
+++ b/tests/43session.tests
@@ -55,6 +55,14 @@ PLANNED "PlacementRef_test" PlacementRef_test <<END
 END
 
 
+PLANNED "Path of nested scopes" ScopePath_test <<END
+END
+
+
+PLANNED "Query focus management" QueryFocus_test <<END
+END
+
+
 PLANNED "RebuildFixture_test" RebuildFixture_test <<END
 END
 
diff --git a/tests/components/proc/mobject/query-focus-test.cpp b/tests/components/proc/mobject/query-focus-test.cpp
new file mode 100644
index 000000000..27ee07380
--- /dev/null
+++ b/tests/components/proc/mobject/query-focus-test.cpp
@@ -0,0 +1,95 @@
+/*
+  QueryFocus(Test)  -  verify proper management of current scope
+ 
+  Copyright (C)         Lumiera.org
+    2009,               Hermann Vosseler <Ichthyostega@web.de>
+ 
+  This program is free software; you can redistribute it and/or
+  modify it under the terms of the GNU General Public License as
+  published by the Free Software Foundation; either version 2 of the
+  License, or (at your option) any later version.
+ 
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+ 
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ 
+* *****************************************************/
+
+
+#include "lib/test/run.hpp"
+//#include "lib/lumitime.hpp"
+//#include "proc/mobject/placement-ref.hpp"
+#include "proc/mobject/placement-index.hpp"
+#include "proc/mobject/test-dummy-mobject.hpp"
+//#include "lib/util.hpp"
+
+//#include <iostream>
+//#include <string>
+
+//using util::isSameObject;
+//using lumiera::Time;
+//using std::string;
+//using std::cout;
+//using std::endl;
+
+
+namespace mobject {
+namespace session {
+namespace test    {
+  
+  using namespace mobject::test;
+  typedef TestPlacement<TestSubMO21> PSub;
+  
+  
+  /**********************************************************************************
+   * @test handling of current query focus when navigating a system of nested scopes.
+   *       Using a pseudo-session (actually just a PlacementIndex), this test
+   *       creates some nested scopes and then checks moving the "current scope".
+   *       
+   * @see  mobject::PlacementIndex
+   * @see  mobject::session::ScopePath
+   * @see  mobject::session::QueryFocus
+   */
+  class QueryFocus_test : public Test
+    {
+      
+      virtual void
+      run (Arg) 
+        {
+          PSub p1(*new TestSubMO21);
+          PSub p2(*new TestSubMO21);
+          PSub p3(*new TestSubMO21);
+          PSub p4(*new TestSubMO21);
+          PSub p5(*new TestSubMO21);
+          
+          // Prepare an (test)Index backing the PlacementRefs
+          typedef shared_ptr<PlacementIndex> PIdx;
+          PIdx index (PlacementIndex::create());
+          PMO& root = index->getRoot();
+          reset_PlacementIndex(index);
+
+          index->insert (p1, root);
+          index->insert (p2,  p1 );
+          index->insert (p3,  p2 );
+          index->insert (p4,  p3 );
+          index->insert (p5,  p4 );
+          
+          UNIMPLEMENTED ("unit test to cover query focus management");
+          
+//??      ASSERT (0 == index->size());
+          reset_PlacementIndex();
+        }
+          
+    };
+  
+  
+  /** Register this test class... */
+  LAUNCHER (QueryFocus_test, "unit session");
+  
+  
+}}} // namespace mobject::session::test
diff --git a/tests/components/proc/mobject/scope-path-test.cpp b/tests/components/proc/mobject/scope-path-test.cpp
new file mode 100644
index 000000000..3f96612ed
--- /dev/null
+++ b/tests/components/proc/mobject/scope-path-test.cpp
@@ -0,0 +1,73 @@
+/*
+  ScopePath(Test)  -  verify handling of logical access path down from Session root
+ 
+  Copyright (C)         Lumiera.org
+    2009,               Hermann Vosseler <Ichthyostega@web.de>
+ 
+  This program is free software; you can redistribute it and/or
+  modify it under the terms of the GNU General Public License as
+  published by the Free Software Foundation; either version 2 of the
+  License, or (at your option) any later version.
+ 
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+ 
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ 
+* *****************************************************/
+
+
+#include "lib/test/run.hpp"
+//#include "lib/lumitime.hpp"
+//#include "proc/mobject/placement-ref.hpp"
+//#include "proc/mobject/placement-index.hpp"
+//#include "proc/mobject/test-dummy-mobject.hpp"
+//#include "lib/util.hpp"
+
+//#include <iostream>
+//#include <string>
+
+//using util::isSameObject;
+//using lumiera::Time;
+//using std::string;
+//using std::cout;
+//using std::endl;
+
+
+namespace mobject {
+namespace session {
+namespace test    {
+  
+//  using namespace mobject::test;
+//  typedef TestPlacement<TestSubMO21> PSub;
+  
+  
+  /***************************************************************************
+   * @test properties and behaviour of the path of nested scopes.
+   *       Using a pseudo-session (actually just a PlacementIndex), this test
+   *       creates some nested scopes and executes navigation moves on them.
+   * @see  mobject::Placement
+   * @see  mobject::session::ScopePath
+   * @see  mobject::session::QueryFocus
+   */
+  class ScopePath_test : public Test
+    {
+      
+      virtual void
+      run (Arg) 
+        {
+          UNIMPLEMENTED ("unit test regarding placement scope handling");
+        }
+          
+    };
+  
+  
+  /** Register this test class... */
+  LAUNCHER (ScopePath_test, "unit session");
+  
+  
+}}} // namespace mobject::session::test