diff --git a/src/tests/kits/interface/NewRegion/ClipRegion.cpp b/src/tests/kits/interface/NewRegion/ClipRegion.cpp
index c64a52bc81..88471151dc 100644
--- a/src/tests/kits/interface/NewRegion/ClipRegion.cpp
+++ b/src/tests/kits/interface/NewRegion/ClipRegion.cpp
@@ -449,6 +449,22 @@ ClipRegion::_RecalculateBounds(const clipping_rect &rect)
 }
 
 
+int32
+ClipRegion::_FindSmallestBottom(const int32 &top, const int32 &startIndex) const
+{
+	int32 bottom = kMaxVerticalExtent;
+	for (int32 i = startIndex; i < fCount; i++) {
+		const int32 n = fData[i].top - 1;
+		if (n >= top && n < bottom)
+			bottom = n;
+		if (fData[i].bottom >= top && fData[i].bottom < bottom)
+			bottom = fData[i].bottom;
+	}
+	
+	return bottom;
+}
+
+
 void
 ClipRegion::_Append(const ClipRegion &region, const bool &aboveThis)
 {
diff --git a/src/tests/kits/interface/NewRegion/ClipRegion.h b/src/tests/kits/interface/NewRegion/ClipRegion.h
index eec44e5890..b8512f667b 100644
--- a/src/tests/kits/interface/NewRegion/ClipRegion.h
+++ b/src/tests/kits/interface/NewRegion/ClipRegion.h
@@ -17,13 +17,7 @@ public:
 	~ClipRegion();
 	
 	clipping_rect Frame() const { return fBound; }
-	clipping_rect RectAt(const int32 &index) const 
-	{
-		if (index >= 0 && index < fCount)
-			return fData[index];
-		clipping_rect rect = { 0, 0, -1, -1 };
-		return rect;
-	}
+	clipping_rect RectAt(const int32 &index) const;
 	
 	int32 CountRects() const { return fCount; }
 	
@@ -75,9 +69,21 @@ private:
 	void _AddRect(const clipping_rect &rect);
 	void _RecalculateBounds(const clipping_rect &newRect);
 	
+	int32 _FindSmallestBottom(const int32 &top, const int32 &startIndex) const;
+
 	void _Invalidate();
 	bool _Resize(const int32 &newSize, const bool &keepOld = true);
 	void _Adopt(ClipRegion &region);
 };
 
+
+inline clipping_rect
+ClipRegion::RectAt(const int32 &index) const 
+{
+	if (index >= 0 && index < fCount)
+		return fData[index];
+	clipping_rect rect = { 0, 0, -1, -1 };
+	return rect;
+}
+
 #endif // __CLIPREGION_H
diff --git a/src/tests/kits/interface/NewRegion/Region.cpp b/src/tests/kits/interface/NewRegion/Region.cpp
index cbfa696e64..508d7b9712 100644
--- a/src/tests/kits/interface/NewRegion/Region.cpp
+++ b/src/tests/kits/interface/NewRegion/Region.cpp
@@ -45,10 +45,10 @@
 #include <new>
 
 #include <Debug.h>
-#include <Region.h>
+#include "Region.h"
 
-#include <clipping.h>
-#include <ClipRegion.h>
+#include "clipping.h"
+#include "ClipRegion.h"