public function testWhenAllAttributesAreValid()
 {
     $reservation = new TestReservationSeries();
     $reservation->WithAttributeValue(new AttributeValue(1, null));
     $reservation->WithAttributeValue(new AttributeValue(2, null));
     $reservation->WithAttributeValue(new AttributeValue(3, null));
     $attributeService = $this->getMock('IAttributeService');
     $validationResult = new AttributeServiceValidationResult(true, array());
     $attributeService->expects($this->once())->method('Validate')->with($this->equalTo(CustomAttributeCategory::RESERVATION), $this->equalTo($reservation->AttributeValues()))->will($this->returnValue($validationResult));
     $rule = new CustomAttributeValidationRule($attributeService);
     $result = $rule->Validate($reservation);
     $this->assertEquals(true, $result->IsValid());
 }