use rsmod::rsmod::block_flag::BlockAccessFlag;
use rsmod::rsmod::rotation::{rotate, rotate_flags};

#[test]
fn test_rotate_width() {
    let width = 3;
    let height = 2;
    assert_eq!(width, rotate(0, width, height));
    assert_eq!(height, rotate(1, width, height));
    assert_eq!(width, rotate(2, width, height));
    assert_eq!(height, rotate(3, width, height));
}

#[test]
fn test_rotate_height() {
    let width = 3;
    let height = 2;
    assert_eq!(height, rotate(0, height, width));
    assert_eq!(width, rotate(1, height, width));
    assert_eq!(height, rotate(2, height, width));
    assert_eq!(width, rotate(3, height, width));
}

#[test]
fn test_rotate_block_access_flag_north() {
    let north = BlockAccessFlag::BLOCK_NORTH as u8;
    assert_eq!(BlockAccessFlag::BLOCK_NORTH as u8, rotate_flags(0, north));
    assert_eq!(BlockAccessFlag::BLOCK_EAST as u8, rotate_flags(1, north));
    assert_eq!(BlockAccessFlag::BLOCK_SOUTH as u8, rotate_flags(2, north));
    assert_eq!(BlockAccessFlag::BLOCK_WEST as u8, rotate_flags(3, north));
}

#[test]
fn test_rotate_block_access_flag_east() {
    let east = BlockAccessFlag::BLOCK_EAST as u8;
    assert_eq!(BlockAccessFlag::BLOCK_EAST as u8, rotate_flags(0, east));
    assert_eq!(BlockAccessFlag::BLOCK_SOUTH as u8, rotate_flags(1, east));
    assert_eq!(BlockAccessFlag::BLOCK_WEST as u8, rotate_flags(2, east));
    assert_eq!(BlockAccessFlag::BLOCK_NORTH as u8, rotate_flags(3, east));
}

#[test]
fn test_rotate_block_access_flag_south() {
    let south = BlockAccessFlag::BLOCK_SOUTH as u8;
    assert_eq!(BlockAccessFlag::BLOCK_SOUTH as u8, rotate_flags(0, south));
    assert_eq!(BlockAccessFlag::BLOCK_WEST as u8, rotate_flags(1, south));
    assert_eq!(BlockAccessFlag::BLOCK_NORTH as u8, rotate_flags(2, south));
    assert_eq!(BlockAccessFlag::BLOCK_EAST as u8, rotate_flags(3, south));
}

#[test]
fn test_rotate_block_access_flag_west() {
    let west = BlockAccessFlag::BLOCK_WEST as u8;
    assert_eq!(BlockAccessFlag::BLOCK_WEST as u8, rotate_flags(0, west));
    assert_eq!(BlockAccessFlag::BLOCK_NORTH as u8, rotate_flags(1, west));
    assert_eq!(BlockAccessFlag::BLOCK_EAST as u8, rotate_flags(2, west));
    assert_eq!(BlockAccessFlag::BLOCK_SOUTH as u8, rotate_flags(3, west));
}