/**
* @return Hole
*/
public function fire()
{
$this->nextShot += $this->shootingDirection;
$letters = Grid::letters();
$numbers = Grid::numbers();
return new Hole($letters[$this->nextShot / count($numbers)], $numbers[$this->nextShot % count($numbers)]);
}
/**
* @test
*/
public function givenAValidGridStringWhenBuildingAndShootingAllTheHolesThenAllShipsMustBeSunkAkaACompleteGame()
{
$this->grid = Grid::fromString('0300222200' . '0300000000' . '0310000000' . '0010005000' . '0010005000' . '0010044400' . '0010000000' . '0000000000' . '0000000000' . '0000000000');
$shotResults = '0100111200' . '0100000000' . '0210000000' . '0010001000' . '0010002000' . '0010011200' . '0020000000' . '0000000000' . '0000000000' . '0000000000';
$this->assertTrue($this->grid->areAllShipsPlaced());
$this->assertFalse($this->grid->areAllShipsSunk());
foreach (Grid::letters() as $l => $letter) {
foreach (Grid::numbers() as $n => $number) {
$this->assertSame((int) $shotResults[$l * 10 + $n], $this->grid->shot(new Hole($letter, $number)));
$this->assertSame((int) $shotResults[$l * 10 + $n], $this->grid->shot(new Hole($letter, $number)));
}
}
$this->assertTrue($this->grid->areAllShipsSunk());
}