ps_ecc/polynomial/implementations/
debug.rs

1use std::fmt::{self, Debug};
2
3use crate::Polynomial;
4
5impl Debug for Polynomial {
6    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
7        f.debug_struct("Polynomial")
8            .field("coefficients", &self.coefficients())
9            .field("degree", &self.degree)
10            .finish()
11    }
12}
13
14#[cfg(test)]
15#[allow(clippy::expect_used)]
16mod tests {
17    use crate::Polynomial;
18
19    #[test]
20    fn debug_shows_trimmed_coefficients() {
21        let p = Polynomial::try_from(&[1u8, 2, 3][..]).expect("valid");
22
23        let debug = format!("{p:?}");
24
25        assert!(debug.contains("[1, 2, 3]"));
26        assert!(!debug.contains("[1, 2, 3, 0"));
27    }
28
29    #[test]
30    fn debug_shows_degree() {
31        let p = Polynomial::try_from(&[1u8, 2, 3][..]).expect("valid");
32
33        let debug = format!("{p:?}");
34
35        assert!(debug.contains("degree: 2"));
36    }
37
38    #[test]
39    fn debug_zero_polynomial() {
40        let p = Polynomial::default();
41
42        let debug = format!("{p:?}");
43
44        assert!(debug.contains("[0]"));
45        assert!(debug.contains("degree: 0"));
46    }
47
48    #[test]
49    fn debug_alternate_format() {
50        let p = Polynomial::try_from(&[1u8, 2, 3][..]).expect("valid");
51
52        let debug = format!("{p:#?}");
53
54        assert!(debug.contains("Polynomial"));
55        assert!(debug.contains("coefficients"));
56        assert!(debug.contains("degree"));
57    }
58}
ps_ecc/polynomial/implementations/debug.rs

ps_ecc/polynomial/implementations/
debug.rs
