use Test::Simple tests => 6; use Chess::Piece::Bishop; $bishop = Chess::Piece::Bishop->new("d4", "white", "White King's bishop"); ok( $bishop ); ok( $bishop->can_reach("h8") == 1 ); ok( $bishop->can_reach("a7") == 1 ); ok( $bishop->can_reach("a1") == 1 ); ok( $bishop->can_reach("g1") == 1 ); ok( $bishop->can_reach("h7") == 0 );