public function testCreditCardDataConstruction()
{
$card = new CreditCardData();
$card->creditCardNumber = '4231231';
$card->setExpirationDate('2014-10');
$card->cardHolderName = 'John Doe';
$card->secureCode = '123';
$this->assertSame('4231231', $card->creditCardNumber);
$this->assertSame('2014', $card->expirationYear);
$this->assertSame('10', $card->expirationMonth);
$this->assertSame('John Doe', $card->cardHolderName);
$this->assertSame('123', $card->secureCode);
}
