csvbinmatrix/matrix/
cmp.rs

1//! Comparison module
2
3use super::CSVBinaryMatrix;
4
5impl PartialEq for CSVBinaryMatrix {
6    fn eq(self: &CSVBinaryMatrix, other: &CSVBinaryMatrix) -> bool {
7        if self.number_of_rows != other.number_of_rows {
8            return false;
9        }
10        if self.number_of_columns != other.number_of_columns {
11            return false;
12        }
13        if self.distances.len() != other.distances.len() {
14            return false;
15        }
16        if self.is_reversed == other.is_reversed {
17            return self.distances == other.distances;
18        }
19        let mut distance_index = 0;
20        let mut rev_distance_index = other.distances.len();
21        while distance_index < self.distances.len() {
22            if self.distances[distance_index] != other.distances[rev_distance_index - 1] {
23                return false;
24            }
25            distance_index += 1;
26            rev_distance_index -= 1;
27        }
28        true
29    }
30}
31
32#[cfg(test)]
33mod tests {
34    use pretty_assertions::assert_eq;
35    use rstest::rstest;
36
37    use super::super::ops::tests::matrix_a_rev;
38    use super::super::tests::{matrix_a, matrix_a_bis};
39    use super::super::CSVBinaryMatrix;
40
41    #[rstest]
42    fn no_equal_number_of_rows(matrix_a: CSVBinaryMatrix) {
43        let matrix_b = CSVBinaryMatrix::try_from(&[[1, 1, 1]]).unwrap();
44        assert!(matrix_a != matrix_b);
45    }
46
47    #[rstest]
48    fn no_equal_number_of_columns(matrix_a: CSVBinaryMatrix) {
49        let matrix_b = CSVBinaryMatrix::try_from(&[[1, 1], [1, 0], [0, 1]]).unwrap();
50        assert!(matrix_a != matrix_b);
51    }
52
53    #[rstest]
54    fn no_equal_distances(matrix_a: CSVBinaryMatrix) {
55        let matrix_b = CSVBinaryMatrix::try_from(&[[1, 1, 1], [1, 0, 1], [0, 1, 0]]).unwrap();
56        assert!(matrix_a != matrix_b);
57    }
58
59    #[rstest]
60    fn equal_when_rev_bools_equal(matrix_a: CSVBinaryMatrix) {
61        let matrix_b = matrix_a.clone();
62        assert_eq!(matrix_a, matrix_b);
63    }
64
65    #[rstest]
66    fn equal_when_rev_bools_differ(matrix_a: CSVBinaryMatrix, matrix_a_bis: CSVBinaryMatrix) {
67        assert_eq!(matrix_a, matrix_a_bis);
68    }
69
70    #[rstest]
71    fn no_equal_when_rev_bools_differ(matrix_a: CSVBinaryMatrix, matrix_a_rev: CSVBinaryMatrix) {
72        assert!(matrix_a != matrix_a_rev);
73    }
74}
csvbinmatrix/matrix/cmp.rs

csvbinmatrix/matrix/
cmp.rs
