Function draw_sphere_fails_on_wrong_input

src/surface_geometry.rs:550–559

()

    #[test]
    fn draw_sphere_fails_on_wrong_input() {
        let mut surf = Surface::new();
        let res = surf.draw_sphere(&[0.0, 0.0], 1.0, 2, 2);
        assert_eq!(res.err(), Some("c.len() must be equal to 3"));

        let res = surf.draw_sphere(&[0.0, 0.0, 0.0], 1.0, 1, 2);
        assert_eq!(res.err(), Some("n_alpha and n_theta must be ≥ 2"));
        let res = surf.draw_sphere(&[0.0, 0.0, 0.0], 1.0, 2, 1);
        assert_eq!(res.err(), Some("n_alpha and n_theta must be ≥ 2"));
    }

    #[test]
    fn draw_sphere_works() {