public function testIsSunk()
{
$ship = new Ship(4);
$points = [new Coordinate(5, 1), new Coordinate(4, 1), new Coordinate(3, 1), new Coordinate(2, 1)];
foreach ($points as $point) {
$ship->addPoint($point);
}
$ship->receiveShot(5, 1);
$ship->receiveShot(4, 1);
$ship->receiveShot(3, 1);
$ship->receiveShot(2, 1);
$this->assertEquals($ship->countHits(), 4);
$this->assertTrue($ship->isSunk());
$this->assertTrue($ship->anyHits());
}
