47 lines
1.2 KiB
Rust
47 lines
1.2 KiB
Rust
#![cfg_attr(feature = "cargo-clippy", allow(float_cmp, map_clone))]
|
|
|
|
use core::iter::Iterator;
|
|
|
|
use average::{Min, Estimate, Merge};
|
|
|
|
#[test]
|
|
fn trivial() {
|
|
let mut m = Min::new();
|
|
m.add(1.);
|
|
m.add(2.);
|
|
assert_eq!(m.min(), 1.);
|
|
m.add(-1.);
|
|
m.add(1.);
|
|
assert_eq!(m.min(), -1.)
|
|
}
|
|
|
|
#[cfg(feature = "serde1")]
|
|
#[test]
|
|
fn trivial_serde() {
|
|
let mut m = Min::new();
|
|
m.add(1.);
|
|
m.add(2.);
|
|
m.add(-1.);
|
|
m.add(1.);
|
|
let b = serde_json::to_string(&m).unwrap();
|
|
assert_eq!(&b, "{\"x\":-1.0}");
|
|
let c: Min = serde_json::from_str(&b).unwrap();
|
|
assert_eq!(c.min(), -1.)
|
|
}
|
|
|
|
#[test]
|
|
fn merge() {
|
|
let sequence: &[f64] = &[1., 2., 3., 4., 5., 6., 7., 8., 9.];
|
|
for mid in 1..sequence.len() {
|
|
let (left, right) = sequence.split_at(mid);
|
|
let min_total: Min = sequence.iter().collect();
|
|
assert_eq!(min_total.min(), 1.);
|
|
let mut min_left: Min = left.iter().collect();
|
|
assert_eq!(min_left.min(), 1.);
|
|
let min_right: Min = right.iter().collect();
|
|
assert_eq!(min_right.min(), sequence[mid]);
|
|
min_left.merge(&min_right);
|
|
assert_eq!(min_total.min(), min_left.min());
|
|
}
|
|
}
|