games/src/bin/tetris/test.rs

use super::*;

#[test]
fn test_shape_t() {
    let mut shape = Shape::new_t();

    let expected_up = "010\n\
                       111\n\
                       000\n";

    let expected_right = "010\n\
                          011\n\
                          010\n";

    let expected_down = "000\n\
                         111\n\
                         010\n";

    let expected_left = "010\n\
                         110\n\
                         010\n";

    assert_eq!(shape.as_ascii(), expected_up);
    shape = shape.rotated();
    assert_eq!(shape.as_ascii(), expected_right);
    shape = shape.rotated();
    assert_eq!(shape.as_ascii(), expected_down);
    shape = shape.rotated();
    assert_eq!(shape.as_ascii(), expected_left);
    shape = shape.rotated();
    assert_eq!(shape.as_ascii(), expected_up);
}

#[test]
fn test_shape_i() {
    let mut shape = Shape::new_i();

    let expected_up = "0010\n\
                       0010\n\
                       0010\n\
                       0010\n";

    let expected_right = "0000\n\
                          0000\n\
                          1111\n\
                          0000\n";

    let expected_down = "0100\n\
                         0100\n\
                         0100\n\
                         0100\n";

    let expected_left = "0000\n\
                         1111\n\
                         0000\n\
                         0000\n";

    assert_eq!(shape.as_ascii(), expected_up);
    shape = shape.rotated();
    assert_eq!(shape.as_ascii(), expected_right);
    shape = shape.rotated();
    assert_eq!(shape.as_ascii(), expected_down);
    shape = shape.rotated();
    assert_eq!(shape.as_ascii(), expected_left);
    shape = shape.rotated();
    assert_eq!(shape.as_ascii(), expected_up);
}

#[test]
fn test_coordinates() {
    let shape = Shape::new_t();

    let center = GridPosition { x: 5, y: 5 };

    let expected: Vec<Result<GridPosition, GameError>> = vec![
        Ok((5, 6).into()),
        Ok((4, 5).into()),
        Ok((5, 5).into()),
        Ok((6, 5).into()),
    ];

    let actual: Vec<Result<GridPosition, GameError>> = shape.coordinates(&center).collect();

    assert_eq!(actual, expected);
}