def test_add_cells(self):
        """Test add_cells method

        """

        num_mesh = NumerrinMesh('test_mesh', self.mesh, self.pool)
        with self.assertRaises(NotImplementedError):
            num_mesh.add(self.cells)
    def test_add_cells(self):
        """Test add_cells method

        """

        num_mesh = NumerrinMesh('test_mesh', self.mesh, self.pool)
        with self.assertRaises(NotImplementedError):
            num_mesh.add(self.cells)
    def test_add_edges(self):
        """Test add_edges method

        """

        num_mesh = NumerrinMesh('test_mesh', self.mesh, self.pool)
        with self.assertRaises(NotImplementedError):
            num_mesh.add([Edge([self.puids[0], self.puids[3]])])
    def test_add_edges(self):
        """Test add_edges method

        """

        num_mesh = NumerrinMesh('test_mesh', self.mesh, self.pool)
        with self.assertRaises(NotImplementedError):
            num_mesh.add([Edge([self.puids[0], self.puids[3]])])