Python source

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@1171 fdac6126-5c0c-442c-9429-916003d36597

src/Python/Unittests/test_trimesh_circulator_vertex_vertex.py

@@ -0,0 +1,56 @@
+import unittest
+import openmesh
+
+class TriMeshCirculatorVertexVertex(unittest.TestCase):
+
+    def setUp(self):
+        self.mesh = openmesh.TriMesh()
+
+        # Add some vertices
+        self.vhandle = []
+
+        self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(0, 1, 0)))
+        self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(1, 0, 0)))
+        self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(2, 1, 0)))
+        self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(0,-1, 0)))
+        self.vhandle.append(self.mesh.add_vertex(openmesh.Vec3d(2,-1, 0)))
+
+        # Add four faces
+        self.mesh.add_face(self.vhandle[0], self.vhandle[1], self.vhandle[2])
+        self.mesh.add_face(self.vhandle[1], self.vhandle[3], self.vhandle[4])
+        self.mesh.add_face(self.vhandle[0], self.vhandle[3], self.vhandle[1])
+        self.mesh.add_face(self.vhandle[2], self.vhandle[1], self.vhandle[4])
+
+        '''
+        Test setup:
+            0 ==== 2
+            |\  0 /|
+            | \  / |
+            |2  1 3|
+            | /  \ |
+            |/  1 \|
+            3 ==== 4
+        Starting vertex is 1->4
+        '''
+
+    def test_vertex_vertex_increment(self):
+        # Iterate around vertex 1 at the middle
+        vv_it = openmesh.VertexVertexIter(self.mesh, self.vhandle[1])
+        self.assertEqual(vv_it.__next__().idx(), 4)
+        self.assertEqual(vv_it.__next__().idx(), 3)
+        self.assertEqual(vv_it.__next__().idx(), 0)
+        self.assertEqual(vv_it.__next__().idx(), 2)
+        self.assertRaises(StopIteration, vv_it.__next__)
+
+    def test_vertex_vertex_boundary_increment(self):
+        # Iterate around vertex 2 at the boundary
+        vv_it = openmesh.VertexVertexIter(self.mesh, self.vhandle[2])
+        self.assertEqual(vv_it.__next__().idx(), 4)
+        self.assertEqual(vv_it.__next__().idx(), 1)
+        self.assertEqual(vv_it.__next__().idx(), 0)
+        self.assertRaises(StopIteration, vv_it.__next__)
+
+
+if __name__ == '__main__':
+    suite = unittest.TestLoader().loadTestsFromTestCase(TriMeshCirculatorVertexVertex)
+    unittest.TextTestRunner(verbosity=2).run(suite)