public function testVoucherTypeValidationFailed()
 {
     $oVoucher = new VoucherType();
     $iVoucherTypeId = null;
     $sName = str_repeat('a', 101);
     $sSlugName = str_repeat('a', 101);
     $sDescription = 'A sucessful test voucher';
     $oEnableFrom = new DateTime();
     $oEnableTo = new DateTime('NOW - 5 days');
     $iVoucherGroupId = 0;
     $iVoucherGenRuleId = 0;
     $oVoucher->setVoucherTypeId($iVoucherTypeId);
     $oVoucher->setSlug($sSlugName);
     $oVoucher->setName($sName);
     $oVoucher->setDescription($sDescription);
     $oVoucher->setEnabledFrom($oEnableFrom);
     $oVoucher->setEnabledTo($oEnableTo);
     $oVoucher->setVoucherGroupId($iVoucherGroupId);
     $oVoucher->setVoucherGenruleId($iVoucherGenRuleId);
     $oResults = $oVoucher->validate();
     $this->assertInternalType('array', $oResults);
     $this->assertEquals(count($oResults['voucherGroupId']), 1);
     $this->assertEquals(count($oResults['voucherGenRuleId']), 1);
     $this->assertEquals(count($oResults['voucherTypeId']), 1);
     $this->assertEquals(count($oResults['voucherName']), 1);
     $this->assertEquals(count($oResults['voucherNameSlug']), 1);
     $this->assertEquals(count($oResults['voucherEnabledFrom']), 1);
 }