White box testing tests internal structures or workings of an application. It covers following :
Control flow testing,Data flow testing,Branch testing,Statement coverage,Decision coverage,Modified condition/decision coverage,Prime path testing,Path testing
So conditional coverage must be in White-Box Testing.
Black box testing is a method of software testing that examines the functionality of an application without peering into its internal structures or workings. Typical black-box test design techniques include:
Decision table testing,All-pairs testing,Equivalence partitioning,Boundary value analysis,Cause–effect graph,Error guessing
Volume testing does performance testing for specific size.
Alpha testing is system testing by potential users/customers or an independent test team at the developers’ site.