n03_place.rs

use bitris::macros::piece;
use bitris::prelude::*;

fn main() {
    let mut board = Board64::blank();

    let o_north = piece!(ON);

    let lines_cleared = o_north.with(bl(0, 0)).place_on_and_clear_lines(&mut board);
    assert_eq!(lines_cleared, Some(Lines::blank()));

    let lines_cleared = o_north.with(bl(2, 0)).place_on_and_clear_lines(&mut board);
    assert_eq!(lines_cleared, Some(Lines::blank()));

    let lines_cleared = o_north.with(bl(4, 0)).place_on_and_clear_lines(&mut board);
    assert_eq!(lines_cleared, Some(Lines::blank()));

    let lines_cleared = o_north.with(bl(6, 0)).place_on_and_clear_lines(&mut board);
    assert_eq!(lines_cleared, Some(Lines::blank()));

    assert_eq!(format!("{}", board), "(Board64):
..........
########..
########..");

    let lines_cleared = o_north.with(bl(8, 0)).place_on_and_clear_lines(&mut board);
    assert_eq!(lines_cleared, Some(Lines::new(0b11)));
    if let Some(lines) = lines_cleared {
        assert_eq!(lines.count(), 2);
    }

    // Access off board
    let lines_cleared = o_north.with(bl(-1, -1)).place_on_and_clear_lines(&mut board);
    assert_eq!(lines_cleared, None);
}