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