def check(self):
        """Do the actual testing."""
        script = self.script
        e = script.engine
        scene = e.current_scene
        src = scene.children[0]
        mm = src.children[0]
        cgp1 = mm.children[1]
        assert cgp1.grid_plane.position == 15

        cgp2 = mm.children[2]
        assert cgp2.contour.filled_contours == True
        assert cgp2.grid_plane.axis == 'y'
        assert cgp2.grid_plane.position == 15

        iso = mm.children[3]
        ctr = iso.contour.contours
        assert iso.compute_normals == True
        assert ctr == [200.0]
        rng = iso.actor.mapper.input.point_data.scalars.range
        assert rng[0] == 200.0
        assert rng[1] == 200.0

        cp = mm.children[4]
        ip = cp.implicit_plane
        assert abs(numpy.sum(ip.normal - (0,0,1))) < 1e-16
        assert abs(numpy.sum(ip.origin - (0,0,5))) < 1e-16
        assert ip.widget.enabled == False
dataset/ETHPy150Open enthought/mayavi/integrationtests/mayavi/test_contour.py/TestContour.check/original