I think, I will not become a friend of win8 ;-) Is VirtualCloneDrive running under win8? If so, you would be able to test by playing an DVD-Iso-Image. The behaviour and the logfile-entries are the same as playing an original DVD.
HTPC: Windows 7 Home Premium 64-bit, AMD E-350, 64GB SSD, 2 GB Ram, Terratec Cinergy HTC Stick HD, NPVR 2.6.2, SAF Codec Pack, Eventghost