public function testEvaluateTrue()
{
$v = new CreditCard();
$this->assertTrue($v->evaluate(4111111111111111.0));
$this->assertTrue($v->evaluate('4111 1111 1111 1111'));
$this->assertTrue($v->evaluate('4111-1111-1111-1111'));
$this->assertFalse($v->evaluate(123456789));
}