| 123456789101112131415161718192021222324252627282930313233343536373839 |
- extern crate task3;
-
- use task3::*;
-
- #[test]
- fn no_rows() {
- let pt = PascalsTriangle::new(0);
- let expected: Vec<Vec<u32>> = Vec::new();
- assert_eq!(expected, pt.rows());
- }
-
-
- #[test]
- fn one_row() {
- let pt = PascalsTriangle::new(1);
- let expected: Vec<Vec<u32>> = vec![vec![1]];
- assert_eq!(expected, pt.rows());
- }
-
- #[test]
- fn two_rows() {
- let pt = PascalsTriangle::new(2);
- let expected: Vec<Vec<u32>> = vec![vec![1], vec![1, 1]];
- assert_eq!(expected, pt.rows());
- }
-
- #[test]
- fn three_rows() {
- let pt = PascalsTriangle::new(3);
- let expected: Vec<Vec<u32>> = vec![vec![1], vec![1, 1], vec![1, 2, 1]];
- assert_eq!(expected, pt.rows());
- }
-
- #[test]
- fn last_of_four_rows() {
- let pt = PascalsTriangle::new(4);
- let expected: Vec<u32> = vec![1, 3, 3, 1];
- assert_eq!(expected, pt.rows().pop().unwrap());
- }
|