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diff --git a/unittest/Catch/include/internal/catch_section_info.hpp b/unittest/Catch/include/internal/catch_section_info.hpp
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+++ b/unittest/Catch/include/internal/catch_section_info.hpp
@@ -0,0 +1,113 @@
+/*
+ *  Created by Phil Nash on 4/5/2012
+ *  Copyright 2012 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_SECTION_INFO_HPP_INCLUDED
+#define TWOBLUECUBES_CATCH_SECTION_INFO_HPP_INCLUDED
+
+#include "catch_common.h"
+
+#include <map>
+#include <string>
+
+namespace Catch {
+
+    class RunningSection {
+    public:
+
+        typedef std::vector<RunningSection*> SubSections;
+
+        enum State {
+            Root,
+            Unknown,
+            Branch,
+            TestedBranch,
+            TestedLeaf
+        };
+
+        RunningSection( RunningSection* parent, std::string const& name )
+        :   m_state( Unknown ),
+            m_parent( parent ),
+            m_name( name )
+        {}
+
+        RunningSection( std::string const& name )
+        :   m_state( Root ),
+            m_parent( CATCH_NULL ),
+            m_name( name )
+        {}
+
+        ~RunningSection() {
+            deleteAll( m_subSections );
+        }
+
+        std::string getName() const {
+            return m_name;
+        }
+
+        bool shouldRun() const {
+            return m_state < TestedBranch;
+        }
+
+        bool isBranch() const {
+            return m_state == Branch;
+        }
+
+        const RunningSection* getParent() const {
+            return m_parent;
+        }
+
+        bool hasUntestedSections() const {
+            if( m_state == Unknown )
+                return true;
+            for(    SubSections::const_iterator it = m_subSections.begin();
+                    it != m_subSections.end();
+                    ++it)
+                if( (*it)->hasUntestedSections() )
+                    return true;
+            return false;
+        }
+
+        // Mutable methods:
+
+        RunningSection* getParent() {
+            return m_parent;
+        }
+
+        RunningSection* findOrAddSubSection( std::string const& name, bool& changed ) {
+            for(    SubSections::const_iterator it = m_subSections.begin();
+                    it != m_subSections.end();
+                    ++it)
+                if( (*it)->getName() == name )
+                    return *it;
+            RunningSection* subSection = new RunningSection( this, name );
+            m_subSections.push_back( subSection );
+            m_state = Branch;
+            changed = true;
+            return subSection;
+        }
+
+        bool ran() {
+            if( m_state >= Branch )
+                return false;
+            m_state = TestedLeaf;
+            return true;
+        }
+
+        void ranToCompletion() {
+            if( m_state == Branch && !hasUntestedSections() )
+                m_state = TestedBranch;
+        }
+
+    private:
+        State m_state;
+        RunningSection* m_parent;
+        std::string m_name;
+        SubSections m_subSections;
+    };
+}
+
+#endif // TWOBLUECUBES_CATCH_SECTION_INFO_HPP_INCLUDED