diff --git a/src/OpenMesh/Core/Mesh/CirculatorsT.hh b/src/OpenMesh/Core/Mesh/CirculatorsT.hh
index 6c5abb01..18fb03e0 100644
--- a/src/OpenMesh/Core/Mesh/CirculatorsT.hh
+++ b/src/OpenMesh/Core/Mesh/CirculatorsT.hh
@@ -64,19 +64,19 @@ namespace Iterators {
 template<class Mesh, class CenterEntityHandle>
 class GenericCirculator_CenterEntityFnsT {
     public:
-        static void increment(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, bool &lap_counter);
-        static void decrement(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, bool &lap_counter);
+        static void increment(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter);
+        static void decrement(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter);
 };
 
 template<class Mesh>
 class GenericCirculator_CenterEntityFnsT<Mesh, typename Mesh::VertexHandle> {
     public:
-        inline static void increment(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, bool &lap_counter) {
+        inline static void increment(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
             heh = mesh->cw_rotated_halfedge_handle(heh);
-            if (heh == start) lap_counter = false;
+            if (heh == start) lap_counter++;
         }
-        inline static void decrement(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, bool &lap_counter) {
-            if (heh == start) lap_counter = false;
+        inline static void decrement(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
+            if (heh == start) lap_counter--;
             heh = mesh->ccw_rotated_halfedge_handle(heh);
         }
 };
@@ -84,12 +84,12 @@ class GenericCirculator_CenterEntityFnsT<Mesh, typename Mesh::VertexHandle> {
 template<class Mesh>
 class GenericCirculator_CenterEntityFnsT<Mesh, typename Mesh::FaceHandle> {
     public:
-        inline static void increment(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, bool &lap_counter) {
+        inline static void increment(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
             heh = mesh->next_halfedge_handle(heh);
-            if (heh == start) lap_counter = false;
+            if (heh == start) lap_counter++;
         }
-        inline static void decrement(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, bool &lap_counter) {
-            if (heh == start) lap_counter = false;
+        inline static void decrement(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
+            if (heh == start) lap_counter--;
             heh = mesh->prev_halfedge_handle(heh);
         }
 };
@@ -119,14 +119,14 @@ class GenericCirculator_DereferenciabilityCheckT<Mesh, typename Mesh::VertexHand
 template<class Mesh, class CenterEntityHandle, class ValueHandle>
 class GenericCirculator_ValueHandleFnsT {
     public:
-        inline static bool is_valid(const typename Mesh::HalfedgeHandle &heh, const bool &lap_counter) {
-            return ( heh.is_valid() && lap_counter );
+        inline static bool is_valid(const typename Mesh::HalfedgeHandle &heh, const int lap_counter) {
+            return ( heh.is_valid() && (lap_counter == 0 ) );
         }
-        inline static void init(const Mesh*, typename Mesh::HalfedgeHandle&, typename Mesh::HalfedgeHandle&, bool&) {};
-        inline static void increment(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, bool &lap_counter) {
+        inline static void init(const Mesh*, typename Mesh::HalfedgeHandle&, typename Mesh::HalfedgeHandle&, int&) {};
+        inline static void increment(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
             GenericCirculator_CenterEntityFnsT<Mesh, CenterEntityHandle>::increment(mesh, heh, start, lap_counter);
         }
-        inline static void decrement(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, bool &lap_counter) {
+        inline static void decrement(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
             GenericCirculator_CenterEntityFnsT<Mesh, CenterEntityHandle>::decrement(mesh, heh, start, lap_counter);
         }
 };
@@ -136,19 +136,19 @@ class GenericCirculator_ValueHandleFnsT<Mesh, CenterEntityHandle, typename Mesh:
     public:
         typedef GenericCirculator_DereferenciabilityCheckT<Mesh, CenterEntityHandle, typename Mesh::FaceHandle> GenericCirculator_DereferenciabilityCheck;
 
-        inline static bool is_valid(const typename Mesh::HalfedgeHandle &heh, const bool &lap_counter) {
-            return ( heh.is_valid() &&  lap_counter );
+        inline static bool is_valid(const typename Mesh::HalfedgeHandle &heh, const int lap_counter) {
+            return ( heh.is_valid() &&  (lap_counter == 0));
         }
-        inline static void init(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, bool &lap_counter) {
-            if (heh.is_valid() && !GenericCirculator_DereferenciabilityCheck::isDereferenciable(mesh, heh) && lap_counter )
+        inline static void init(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
+            if (heh.is_valid() && !GenericCirculator_DereferenciabilityCheck::isDereferenciable(mesh, heh) && lap_counter == 0 )
                 increment(mesh, heh, start, lap_counter);
         };
-        inline static void increment(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, bool &lap_counter) {
+        inline static void increment(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
             do {
                 GenericCirculator_CenterEntityFnsT<Mesh, CenterEntityHandle>::increment(mesh, heh, start, lap_counter);
             } while (is_valid(heh, lap_counter) && !GenericCirculator_DereferenciabilityCheck::isDereferenciable(mesh, heh));
         }
-        inline static void decrement(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, bool &lap_counter) {
+        inline static void decrement(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
             do {
                 GenericCirculator_CenterEntityFnsT<Mesh, CenterEntityHandle>::decrement(mesh, heh, start, lap_counter);
             } while (is_valid(heh, lap_counter) && !GenericCirculator_DereferenciabilityCheck::isDereferenciable(mesh, heh));
@@ -162,10 +162,10 @@ class GenericCirculatorBaseT {
         typedef const Mesh& mesh_ref;
 
     public:
-        GenericCirculatorBaseT() : mesh_(0), lap_counter_(true) {}
+        GenericCirculatorBaseT() : mesh_(0), lap_counter_(0) {}
 
         GenericCirculatorBaseT(mesh_ref mesh, HalfedgeHandle heh, bool end = false) :
-            mesh_(&mesh), start_(heh), heh_(heh), lap_counter_(!end) {}
+            mesh_(&mesh), start_(heh), heh_(heh), lap_counter_(static_cast<int>(end)) {}
 
         GenericCirculatorBaseT(const GenericCirculatorBaseT &rhs) :
             mesh_(rhs.mesh_), start_(rhs.start_), heh_(rhs.heh_), lap_counter_(rhs.lap_counter_) {}
@@ -213,7 +213,7 @@ class GenericCirculatorBaseT {
     protected:
         mesh_ptr mesh_;
         typename Mesh::HalfedgeHandle start_, heh_;
-        bool lap_counter_;
+        int lap_counter_;
 };
 
 template<class Mesh, class CenterEntityHandle, class ValueHandle,
diff --git a/src/Unittests/unittests_trimesh_circulator_face_edge.cc b/src/Unittests/unittests_trimesh_circulator_face_edge.cc
index f21e1483..aae2dcd0 100644
--- a/src/Unittests/unittests_trimesh_circulator_face_edge.cc
+++ b/src/Unittests/unittests_trimesh_circulator_face_edge.cc
@@ -191,6 +191,13 @@ TEST_F(OpenMeshTrimeshCirculatorFaceEdge, FaceEdgeIterCheckInvalidationAtEnds) {
   ++endIter ;
   EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid after increment";
 
+  // Check if the end iterators becomes valid after decrement
+  endIter = mesh_.fe_end(fh0);
+  EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid";
+  --endIter;
+  EXPECT_TRUE(endIter.is_valid()) << "EndIter is invalid after decrement";
+  EXPECT_EQ(1,endIter->idx()) << "EndIter points on the wrong element";
+
 
   // Check if the start iterator decrement is invalid
   Mesh::FaceEdgeIter startIter = mesh_.fe_begin(fh0);
@@ -198,11 +205,14 @@ TEST_F(OpenMeshTrimeshCirculatorFaceEdge, FaceEdgeIterCheckInvalidationAtEnds) {
   --startIter;
   EXPECT_FALSE(startIter.is_valid()) << "StartIter decrement is not invalid";
 
+  // Check if the start iterator becomes valid
+  ++startIter;
+  EXPECT_TRUE(startIter.is_valid()) << "StartIter is invalid after re-incrementing";
+  EXPECT_EQ(startIter->idx(), mesh_.fe_begin(fh0)->idx()) << "StartIter points on the wrong element";
+
 }
 
 
-
-
 /*
  * Small FaceEdgeIterator Test
  */
diff --git a/src/Unittests/unittests_trimesh_circulator_face_face.cc b/src/Unittests/unittests_trimesh_circulator_face_face.cc
index 2c81a447..99e48e26 100644
--- a/src/Unittests/unittests_trimesh_circulator_face_face.cc
+++ b/src/Unittests/unittests_trimesh_circulator_face_face.cc
@@ -323,6 +323,13 @@ TEST_F(OpenMeshTrimeshCirculatorFaceFace, FaceFaceIterCheckInvalidationAtEnds) {
   ++endIter ;
   EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid after increment";
 
+  // Check if the end iterators becomes valid after decrement
+  endIter = mesh_.ff_end(fh0);
+  EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid";
+  --endIter;
+  EXPECT_TRUE(endIter.is_valid()) << "EndIter is invalid after decrement";
+  EXPECT_EQ(3,endIter->idx()) << "EndIter points on the wrong element";
+
 
   // Check if the start iterator decrement is invalid
   Mesh::FaceFaceIter startIter = mesh_.ff_begin(fh0);
@@ -330,6 +337,11 @@ TEST_F(OpenMeshTrimeshCirculatorFaceFace, FaceFaceIterCheckInvalidationAtEnds) {
   --startIter;
   EXPECT_FALSE(startIter.is_valid()) << "StartIter decrement is not invalid";
 
+  // Check if the start iterator becomes valid
+  ++startIter;
+  EXPECT_TRUE(startIter.is_valid()) << "StartIter is invalid after re-incrementing";
+  EXPECT_EQ(startIter->idx(), mesh_.ff_begin(fh0)->idx()) << "StartIter points on the wrong element";
+
 }
 
 
diff --git a/src/Unittests/unittests_trimesh_circulator_face_halfedge.cc b/src/Unittests/unittests_trimesh_circulator_face_halfedge.cc
index 707c5d6a..6ceb9d77 100644
--- a/src/Unittests/unittests_trimesh_circulator_face_halfedge.cc
+++ b/src/Unittests/unittests_trimesh_circulator_face_halfedge.cc
@@ -189,6 +189,13 @@ TEST_F(OpenMeshTrimeshCirculatorFaceHalfEdge, FaceHalfedgeIterCheckInvalidationA
   ++endIter ;
   EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid after increment";
 
+  // Check if the end iterators becomes valid after decrement
+  endIter = mesh_.fh_end(fh0);
+  EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid";
+  --endIter;
+  EXPECT_TRUE(endIter.is_valid()) << "EndIter is invalid after decrement";
+  EXPECT_EQ(2,endIter->idx()) << "EndIter points on the wrong element";
+
 
   // Check if the start iterator decrement is invalid
   Mesh::FaceHalfedgeIter startIter = mesh_.fh_begin(fh0);
@@ -196,6 +203,11 @@ TEST_F(OpenMeshTrimeshCirculatorFaceHalfEdge, FaceHalfedgeIterCheckInvalidationA
   --startIter;
   EXPECT_FALSE(startIter.is_valid()) << "StartIter decrement is not invalid";
 
+  // Check if the start iterator becomes valid
+  ++startIter;
+  EXPECT_TRUE(startIter.is_valid()) << "StartIter is invalid after re-incrementing";
+  EXPECT_EQ(startIter->idx(), mesh_.fh_begin(fh0)->idx()) << "StartIter points on the wrong element";
+
 }
 
 }
diff --git a/src/Unittests/unittests_trimesh_circulator_face_vertex.cc b/src/Unittests/unittests_trimesh_circulator_face_vertex.cc
index d6b7eec8..4526ae94 100644
--- a/src/Unittests/unittests_trimesh_circulator_face_vertex.cc
+++ b/src/Unittests/unittests_trimesh_circulator_face_vertex.cc
@@ -185,6 +185,13 @@ TEST_F(OpenMeshTrimeshCirculatorFaceVertex, FaceVertexIterCheckInvalidationAtEnd
   ++endIter ;
   EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid after increment";
 
+  // Check if the end iterators becomes valid after decrement
+  endIter = mesh_.fv_end(fh0);
+  EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid";
+  --endIter;
+  EXPECT_TRUE(endIter.is_valid()) << "EndIter is invalid after decrement";
+  EXPECT_EQ(2,endIter->idx()) << "EndIter points on the wrong element";
+
 
   // Check if the start iterator decrement is invalid
   Mesh::FaceVertexIter startIter = mesh_.fv_begin(fh0);
@@ -192,8 +199,12 @@ TEST_F(OpenMeshTrimeshCirculatorFaceVertex, FaceVertexIterCheckInvalidationAtEnd
   --startIter;
   EXPECT_FALSE(startIter.is_valid()) << "StartIter decrement is not invalid";
 
-}
+  // Check if the start iterator becomes valid
+  ++startIter;
+  EXPECT_TRUE(startIter.is_valid()) << "StartIter is invalid after re-incrementing";
+  EXPECT_EQ(startIter->idx(), mesh_.fv_begin(fh0)->idx()) << "StartIter points on the wrong element";
 
+}
 
 
 }
diff --git a/src/Unittests/unittests_trimesh_circulator_vertex_edge.cc b/src/Unittests/unittests_trimesh_circulator_vertex_edge.cc
index 1ee92d7c..c0e78b1e 100644
--- a/src/Unittests/unittests_trimesh_circulator_vertex_edge.cc
+++ b/src/Unittests/unittests_trimesh_circulator_vertex_edge.cc
@@ -259,6 +259,13 @@ TEST_F(OpenMeshTrimeshCirculatorVertexEdge, VertexEdgeIterCheckInvalidationAtEnd
   ++endIter ;
   EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid after increment";
 
+  // Check if the end iterators becomes valid after decrement
+  endIter = mesh_.ve_end(vhandle[1]);
+  EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid";
+  --endIter;
+  EXPECT_TRUE(endIter.is_valid()) << "EndIter is invalid after decrement";
+  EXPECT_EQ(1,endIter->idx()) << "EndIter points on the wrong element";
+
 
   // Check if the start iterator decrement is invalid
   Mesh::VertexEdgeIter startIter = mesh_.ve_begin(vhandle[1]);
@@ -266,6 +273,11 @@ TEST_F(OpenMeshTrimeshCirculatorVertexEdge, VertexEdgeIterCheckInvalidationAtEnd
   --startIter;
   EXPECT_FALSE(startIter.is_valid()) << "StartIter decrement is not invalid";
 
+  // Check if the start iterator becomes valid
+  ++startIter;
+  EXPECT_TRUE(startIter.is_valid()) << "StarIter is invalid after re-incrementing";
+  EXPECT_EQ(startIter->idx(), mesh_.ve_begin(vhandle[1])->idx()) << "StartIter points on the wrong element";
+
 }
 
 }
diff --git a/src/Unittests/unittests_trimesh_circulator_vertex_face.cc b/src/Unittests/unittests_trimesh_circulator_vertex_face.cc
index b406428d..d6e1659d 100644
--- a/src/Unittests/unittests_trimesh_circulator_vertex_face.cc
+++ b/src/Unittests/unittests_trimesh_circulator_vertex_face.cc
@@ -328,6 +328,13 @@ TEST_F(OpenMeshTrimeshCirculatorVertexFace, VertexFaceIterCheckInvalidationAtEnd
   ++endIter ;
   EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid after increment";
 
+  // Check if the end iterators becomes valid after decrement
+  endIter = mesh_.vf_end(vhandle[1]);
+  EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid";
+  --endIter;
+  EXPECT_TRUE(endIter.is_valid()) << "EndIter is invalid after decrement";
+  EXPECT_EQ(0,endIter->idx()) << "EndIter points on the wrong element";
+
 
   // Check if the start iterator decrement is invalid
   Mesh::VertexFaceIter startIter = mesh_.vf_begin(vhandle[1]);
@@ -335,6 +342,11 @@ TEST_F(OpenMeshTrimeshCirculatorVertexFace, VertexFaceIterCheckInvalidationAtEnd
   --startIter;
   EXPECT_FALSE(startIter.is_valid()) << "StartIter decrement is not invalid";
 
+  // Check if the start iterator becomes valid
+  ++startIter;
+  EXPECT_TRUE(startIter.is_valid()) << "StarIter is invalid after re-incrementing";
+  EXPECT_EQ(startIter->idx(), mesh_.vf_begin(vhandle[1])->idx()) << "StartIter points on the wrong element";
+
 }
 
 /*
@@ -439,6 +451,4 @@ TEST_F(OpenMeshTrimeshCirculatorVertexFace, VertexFaceIterWithoutHolesDecrement)
 
 }
 
-
-
 }
diff --git a/src/Unittests/unittests_trimesh_circulator_vertex_ihalfedge.cc b/src/Unittests/unittests_trimesh_circulator_vertex_ihalfedge.cc
index a7f794e1..51d7c55a 100644
--- a/src/Unittests/unittests_trimesh_circulator_vertex_ihalfedge.cc
+++ b/src/Unittests/unittests_trimesh_circulator_vertex_ihalfedge.cc
@@ -373,6 +373,13 @@ TEST_F(OpenMeshTrimeshCirculatorVertexIHalfEdge, VertexIHalfEdgeIterCheckInvalid
   ++endIter ;
   EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid after increment";
 
+  // Check if the end iterators becomes valid after decrement
+  endIter = mesh_.vih_end(vhandle[1]);
+  EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid";
+  --endIter;
+  EXPECT_TRUE(endIter.is_valid()) << "EndIter is invalid after decrement";
+  EXPECT_EQ(3,endIter->idx()) << "EndIter points on the wrong element";
+
 
   // Check if the start iterator decrement is invalid
   Mesh::VertexIHalfedgeIter startIter = mesh_.vih_begin(vhandle[1]);
@@ -380,6 +387,11 @@ TEST_F(OpenMeshTrimeshCirculatorVertexIHalfEdge, VertexIHalfEdgeIterCheckInvalid
   --startIter;
   EXPECT_FALSE(startIter.is_valid()) << "StartIter decrement is not invalid";
 
+  // Check if the start iterator becomes valid
+  ++startIter;
+  EXPECT_TRUE(startIter.is_valid()) << "StarIter is invalid after re-incrementing";
+  EXPECT_EQ(startIter->idx(), mesh_.vih_begin(vhandle[1])->idx()) << "StartIter points on the wrong element";
+
 }
 
 
diff --git a/src/Unittests/unittests_trimesh_circulator_vertex_ohalfedge.cc b/src/Unittests/unittests_trimesh_circulator_vertex_ohalfedge.cc
index 841fc640..fa101b53 100644
--- a/src/Unittests/unittests_trimesh_circulator_vertex_ohalfedge.cc
+++ b/src/Unittests/unittests_trimesh_circulator_vertex_ohalfedge.cc
@@ -374,6 +374,12 @@ TEST_F(OpenMeshTrimeshCirculatorVertexOHalfEdge, VertexOHalfEdgeIterCheckInvalid
   ++endIter ;
   EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid after increment";
 
+  endIter = mesh_.voh_end(vhandle[1]);
+  EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid";
+  --endIter;
+  EXPECT_TRUE(endIter.is_valid()) << "EndIter is invalid after decrement";
+  EXPECT_EQ(2,endIter->idx()) << "EndIter points on the wrong element";
+
 
   // Check if the start iterator decrement is invalid
   Mesh::VertexOHalfedgeIter startIter = mesh_.voh_begin(vhandle[1]);
@@ -381,6 +387,11 @@ TEST_F(OpenMeshTrimeshCirculatorVertexOHalfEdge, VertexOHalfEdgeIterCheckInvalid
   --startIter;
   EXPECT_FALSE(startIter.is_valid()) << "StartIter decrement is not invalid";
 
+  // Check if the start iterator becomes valid
+  ++startIter;
+  EXPECT_TRUE(startIter.is_valid()) << "StartIter is invalid after re-incrementing";
+  EXPECT_EQ(startIter->idx(), mesh_.voh_begin(vhandle[1])->idx()) << "StartIter points on the wrong element";
+
 }
 
 
diff --git a/src/Unittests/unittests_trimesh_circulator_vertex_vertex.cc b/src/Unittests/unittests_trimesh_circulator_vertex_vertex.cc
index 62e4f84c..b6b301d8 100644
--- a/src/Unittests/unittests_trimesh_circulator_vertex_vertex.cc
+++ b/src/Unittests/unittests_trimesh_circulator_vertex_vertex.cc
@@ -262,6 +262,13 @@ TEST_F(OpenMeshTrimeshCirculatorVertexVertex, VertexVertexIterCheckInvalidationA
   ++endIter ;
   EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid after increment";
 
+  // Check if the end iterators becomes valid after decrement
+  endIter = mesh_.vv_end(vhandle[1]);
+  EXPECT_FALSE(endIter.is_valid()) << "EndIter is not invalid";
+  --endIter;
+  EXPECT_TRUE(endIter.is_valid()) << "EndIter is invalid after decrement";
+  EXPECT_EQ(2,endIter->idx()) << "EndIter points on the wrong element";
+
 
   // Check if the start iterator decrement is invalid
   Mesh::VertexVertexIter startIter = mesh_.vv_begin(vhandle[1]);
@@ -269,6 +276,11 @@ TEST_F(OpenMeshTrimeshCirculatorVertexVertex, VertexVertexIterCheckInvalidationA
   --startIter;
   EXPECT_FALSE(startIter.is_valid()) << "StartIter decrement is not invalid";
 
+  // Check if the start iterator becomes valid
+  ++startIter;
+  EXPECT_TRUE(startIter.is_valid()) << "StartIter is invalid after re-incrementing";
+  EXPECT_EQ(startIter->idx(), mesh_.vv_begin(vhandle[1])->idx()) << "StartIter points on the wrong element";
+
 }