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Add PartialOrd derivation for Month

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Also add a few tests to make sure it behaves as expected.
This commit is contained in:
Philip Munksgaard 2023-03-24 15:48:11 +01:00 committed by Dirkjan Ochtman
parent 1f1e2f8ff0
commit 4e2c2b4ad2
1 changed files with 10 additions and 1 deletions
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11
src/month.rs
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@ -27,7 +27,7 @@ use rkyv::{Archive, Deserialize, Serialize};
/// Allows mapping from and to month, from 1-January to 12-December.
/// Can be Serialized/Deserialized with serde
// Actual implementation is zero-indexed, API intended as 1-indexed for more intuitive behavior.
#[derive(PartialEq, Eq, Copy, Clone, Debug, Hash)]
#[derive(PartialEq, Eq, Copy, Clone, Debug, Hash, PartialOrd)]
#[cfg_attr(feature = "rustc-serialize", derive(RustcEncodable, RustcDecodable))]
#[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
@ -352,4 +352,13 @@ mod tests {
assert_eq!(Month::January.pred(), Month::December);
assert_eq!(Month::February.pred(), Month::January);
}
#[test]
fn test_month_partial_ord() {
assert!(Month::January <= Month::January);
assert!(Month::January < Month::February);
assert!(Month::January < Month::December);
assert!(Month::July >= Month::May);
assert!(Month::September > Month::March);
}
}