public function testDiagonal()
{
$this->boardWalker->start(SquareInterface::POSITION_D5)->diagonal(1);
$this->assertEquals(SquareInterface::POSITION_D5, $this->boardWalker->getPosition(), 'Position should stay the same after calling diagonal()');
$this->assertCount(4, $this->boardWalker->flush(), 'There should be 4 moves returned by flush() after calling diagonal(1)');
$this->boardWalker->diagonal(2);
$this->assertCount(8, $this->boardWalker->flush(), 'There should be 8 moves returned by flush() after calling diagonal(2)');
}
/**
* {@inheritdoc}
*/
public function configureWalker(BoardWalker $walker, GameInterface $game)
{
$walker->diagonal('*');
}