#[test]
fn europa_lander_concept() {
    let l = europas::missions::landers::europa_lander_concept();
    assert!(!l.crewed);
    assert!(l.dry_mass_kg > 0.0);
}

#[test]
fn europa_clipper() {
    let o = europas::missions::orbiters::europa_clipper();
    assert_eq!(o.name, "Europa Clipper");
}

#[test]
fn relay_coverage() {
    let r = europas::missions::relay::europa_relay();
    assert!(r.far_side_coverage > 0.0 && r.far_side_coverage < 1.0);
}
