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| -rw-r--r-- | src/lib.rs | 90 |
1 files changed, 90 insertions, 0 deletions
@@ -5,6 +5,96 @@ use std::collections::LinkedList; use chrono::NaiveDate; use chrono::Duration; +#[cfg(test)] +mod tests { + + use std::collections::LinkedList; + use chrono::NaiveDate; + + use super::partition; + use super::partition_days; + + macro_rules! list { + ( $( $x:expr ),* ) => { + { + let mut temp_list = LinkedList::new(); + $( + temp_list.push_back($x); + )* + temp_list + } + }; + } + + #[test] + fn all_const1() { + let ins = vec![1, 2, 3, 4, 5, 6, 7, 8, 9]; + let outs = list![list![1], list![2], list![3], + list![4], list![5], list![6], + list![7], list![8], list![9]]; + + assert_eq!(partition(&|_n| 1, &ins), outs); + } + + #[test] + fn all_const2() { + let ins = vec![1, 2, 3, 4, 5, 6, 7, 8, 9]; + let outs = list![list![1, 2], list![3, 4], + list![5, 6], list![7, 8], list![9]]; + + assert_eq!(partition(&|_n| 2, &ins), outs); + } + + #[test] + fn odds_const1() { + let ins = vec![1, 3, 5, 7, 9, 11, 13, 15]; + let outs = list![list![1], list![], list![3], list![], + list![5], list![], list![7], list![], + list![9], list![], list![11], list![], + list![13], list![], list![15]]; + + assert_eq!(partition(&|_n| 1, &ins), outs); + } + + #[test] + fn odds_const2() { + let ins = vec![1, 3, 5, 7, 9, 11, 13, 15]; + let outs = list![list![1], list![3], list![5], + list![7], list![9], list![11], + list![13], list![15]]; + + assert_eq!(partition(&|_n| 2, &ins), outs); + } + + fn exp2(n: u32) -> i64 { + let i: i32 = n as i32 - 1; + 2_f32.powi(i).ceil() as i64 + } + + #[test] + fn all_exp2() { + let ins = vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]; + let outs = list![list![1], list![2, 3], list![4, 5, 6, 7], + list![8, 9, 10, 11, 12, 13]]; + + assert_eq!(partition(&exp2, &ins), outs); + } + + #[test] + fn dates_exp2() { + let d = NaiveDate::from_ymd; + let ins = vec![d(2019, 08, 30), d(2019, 08, 31), + d(2019, 09, 01), d(2019, 09, 02), + d(2019, 09, 03), d(2019, 09, 04)]; + let outs = list![list![d(2019, 09, 04)], + list![d(2019, 09, 02), d(2019, 09, 03)], + list![d(2019, 08, 30), d(2019, 08, 31), d(2019, 09, 01)]]; + + assert_eq!(partition_days(&exp2, &ins), outs); + } +} + + pub fn partition(f: &Fn(u32) -> i64, v: &Vec<i64>) -> LinkedList<LinkedList<i64>> { let mut term: LinkedList<i64> = LinkedList::new(); let mut res: LinkedList<LinkedList<i64>> = LinkedList::new(); |