use Test::Simple tests => 4; use Chess::Piece::Rook; $rook = Chess::Piece::Rook->new("a1", "white", "White King's rook"); ok( $rook ); ok( $rook->can_reach("a8") == 1 ); ok( $rook->can_reach("h1") == 1 ); ok( $rook->can_reach("d4") == 0 );