+# Over-constrained volumes
+
+from smesh import *
+SetCurrentStudy(salome.myStudy)
+
+mesh = Mesh()
+volumeFilter = GetFilter(VOLUME,FT_OverConstrainedVolume)
+
+# make volumes by extrusion of one face
+n1 = mesh.AddNode(0,0,0)
+n2 = mesh.AddNode(10,0,0)
+edge = mesh.AddEdge([n1,n2])
+mesh.ExtrusionSweep([edge], MakeDirStruct(0,7,0), 1)
+mesh.ExtrusionSweep( mesh.GetElementsByType(FACE), MakeDirStruct(0,0,5), 7)
+assert( 2 == len( mesh.GetIdsFromFilter( volumeFilter )))