Credit Card Unit Tests

gistfile1.php

<?php

namespace Acme\DV2Bundle\Tests\Model;

use Acme\DV2Bundle\Model\CreditCard;

class CreditCardTest extends \PHPUnit_Framework_TestCase
{
    public function testMod10()
    {
        // The valid credit card numbers should be: 
        // - American Express
        // - Discover
        // - MasterCard
        // - Visa
        // - Visa Commercial Card
        // - Visa Corporate Card II
        // - Visa Purchasing Card III
        // - MasterCard II
        // - MasterCard III
        // - MasterCard Diner's
        // - Diner's Club / Cart Blanche
        $validNumbers = array(
            '371144371144376',
            '341134113411347',
            '370000000000002',     
            '378282246310005', 
            '6011016011016011',
            '6559906559906557',
            '6011000000000012',     
            '6011111111111117', 
            '5111005111051128',
            '5112345112345114',
            '5424000000000015',
            '5105105105105100', 
            '4112344112344113',
            '4007000000027',
            '4111111111111111', 
            '4110144110144115',
            '4114360123456785', 
            '4061724061724061', 
            '5115915115915118', 
            '5116601234567894', 
            '36111111111111', 
            '36110361103612',
            '36438936438936',           
            '30569309025904',
        );
        // Invalid numbers should be:
        // - JCB
        // - Unknown Type
        $invalidNumbers = array(
            '3566003566003566',
            '3530111333300000',
            '111',
        );
        $card = new CreditCard();
        foreach ($validNumbers as $number) {
            $card->setCreditCardNumber($number);
            //echo "$number: " . ($card->isValidCreditCard() ? 'T' : 'F') . "\n";
            $this->assertTrue($card->isValidCreditCard());
        }
        foreach ($invalidNumbers as $number) {
            $card->setCreditCardNumber($number);
            //echo "$number: " . ($card->isValidCreditCard() ? 'T' : 'F') . "\n";
            $this->assertFalse($card->isValidCreditCard());
        }
    }

    public function testExpirationDates() {
        $testCases = array(
            array('month' => '0', 'year'=>'2100', 'result' => false),
            array('month' => '1', 'year'=>'2100', 'result' => true),
            array('month' => '13', 'year'=>'2100', 'result' => false),
            array('month' => '1', 'year'=>'1900', 'result' => false),
            array('month' => '1', 'year'=> date('Y') + 1, 'result' => true),
            array('month' => '1', 'year'=> date('Y') - 1, 'result' => false),
            array('month' => date('n'), 'year'=> date('Y'), 'result' => true),
        );

        $currentMonth = date('n');
        if ($currentMonth == 12) {
            $testCases []= array('month' => 1, 'year'=> date('Y') + 1, 'result' => true);
        } else if ($currentMonth == 1) {
            $testCases []= array('month' => 12, 'year'=> date('Y') - 1, 'result' => true);
        }

        $card = new CreditCard();
        foreach ($testCases as $case) {
            $card->setCreditCardExpMonth($case['month']);
            $card->setCreditCardExpYear($case['year']);
            $this->assertEquals($card->isValidCCExpiration(), $case['result']);
        }
    }
}

Can be help