/**
*
* @param integer $doorNumber
* @return boolean
*/
public function isDoorClosedWithPrimes($doorNumber)
{
$p = new PrimeFactor();
$primeFactors = $p->getPrimeFactors($doorNumber);
$primeFactorsCount = array_count_values($primeFactors);
$numberOfDividers = 1;
if ($doorNumber != 1) {
foreach (array_values($primeFactorsCount) as $itemCount) {
$numberOfDividers *= ++$itemCount;
}
}
return $numberOfDividers % 2 == 0;
}
/**
* @dataProvider primeFactorDataProvider
*/
public function testPrimeFactors($number, $result)
{
$primeFactor = new PrimeFactor();
$this->assertEquals($result, $primeFactor->getPrimeFactors($number));
}