// Module 8 Expansion Drop: PULL. The scenario is in expansion/README.md.
use engine::harness::*;

#[test]
fn test_08x_pull_follows() {
    let mut b = new_baba(LevelDef {
        width: 5,
        height: 3,
        ..Default::default()
    });
    for (word, x) in [("BABA", 0), ("IS", 1), ("YOU", 2)] {
        b.place(&format!("text:{word}"), x, 0);
    }
    for (word, x) in [("ROCK", 0), ("IS", 1), ("PULL", 2)] {
        b.place(&format!("text:{word}"), x, 1);
    }
    let far_rock = b.place("rock", 0, 2);
    let near_rock = b.place("rock", 1, 2);
    let baba = b.place("baba", 2, 2);

    b.move_dir(Dir::Right);

    assert_eq!(b.pos_of(baba), Some((3, 2)));
    assert_eq!(b.pos_of(near_rock), Some((2, 2)));
    assert_eq!(b.pos_of(far_rock), Some((1, 2)));

    b.move_dir(Dir::Left);

    assert_eq!(b.pos_of(baba), Some((3, 2)));
    assert_eq!(b.pos_of(near_rock), Some((2, 2)));
    assert_eq!(b.pos_of(far_rock), Some((1, 2)));
}