use crate::metrics::SymmetricDistance;
use super::*;
#[test]
fn test_make_bounded_mean_symmetric() -> Fallible<()> {
let transformation = make_mean(
VectorDomain::new(AtomDomain::new_closed((0., 10.))?).with_size(5),
SymmetricDistance,
)?;
let arg = vec![1., 2., 3., 4., 5.];
let ret = transformation.invoke(&arg)?;
let expected = 3.;
assert_eq!(ret, expected);
assert!(transformation.check(&1, &2.)?);
Ok(())
}