Patent ID: 7804750

Claim:
A test disc used in operation verification of an optical disc apparatus for a recordable optical disc, said test disc comprising a recording layer to which a data format of the recordable optical disc is applied, on the recording layer, to verify playback operations of said optical disc apparatus, data is recorded by using a data structure in which: (i) a recording management zone (RMZ) for recording information for management of a recording condition (RMD) is set in each of a data lead-in region, a border region located at a session delimiting position, and a user data region in which user data is recorded; said management information (RMD) is updated in accordance with a record of the user data and recorded in recording management zones (lead-in recording management zone (L-RMZ), border-recording management zone (B-RMZ), and user-recording management zone (U-RMZ)) which are set in said data lead-in region, said border region, and said user data region, and information which identifies a position of said last updated management information (RMD) is recorded in a corresponding zone in said data lead-in region; (ii) a test zone in which trial writing is performed in setting of recording laser power is separately extended and set besides a zone generally set at an initial stage of recording, and information indicating that said test zone has been extended is contained at least in said management information (RMD) that is updated last; and (iii) next to the last user data recording position, a border region is set, and in the border region, information is recorded which indicates that further recoding of the user data is possible.