/**
* @param CoordsCollection $shipsCollection
* @throws InvalidShipsException
*/
private function validateShipsLength(CoordsCollection $shipsCollection)
{
// if the number of masts is correct
$mastCount = $shipsCollection->count();
if ($mastCount !== self::TOTAL_LENGTH) {
throw new InvalidShipsException(sprintf('Number of ships\' masts is incorrect: %d (expected: %d)', $mastCount, self::TOTAL_LENGTH));
}
}
public function testCount()
{
$coordsArray = ['A1', 'J10', 'J1', 'B2', 'A10'];
$coordsCollection = new CoordsCollection($coordsArray);
$this->assertEquals(count($coordsArray), $coordsCollection->count());
}
