#[cfg(test)]
mod tests {
use crate::Bresenham;
use crate::Point;
#[test]
fn test_symmetry() {
let points: Vec<Point> = Bresenham::new((1, 1), (3, 7)).collect();
let points2: Vec<Point> = Bresenham::new((3, 7), (1, 1)).collect();
assert_eq!(points.len(), points2.len());
assert_eq!(points.contains(&(3, 7)), true);
assert_eq!(points.contains(&(3, 6)), true);
assert_eq!(points2.contains(&(3, 6)), true);
assert_eq!(points.contains(&(2, 5)), true);
assert_eq!(points2.contains(&(2, 5)), true);
assert_eq!(points.contains(&(2, 4)), true);
assert_eq!(points2.contains(&(2, 4)), true);
assert_eq!(points.contains(&(2, 3)), true);
assert_eq!(points2.contains(&(2, 3)), true);
assert_eq!(points.contains(&(1, 2)), true);
assert_eq!(points2.contains(&(1, 2)), true);
assert_eq!(points2.contains(&(1, 1)), true);
}
}