Consider a test set T adequate for program P with respect to some coverage criterion C. Now suppose that T1 ∪ T2 = T and that both T1 and T2 are adequate with respect to C. Let Pbe a modified version...

Consider a test set T adequate for program P with respect to some coverage criterion C. Now suppose that T1 ∪ T2 = T and that both T1 and T2 are adequate with respect to C. Let Pbe a modified version of P. To test P, under what conditions would you execute Pagainst all of T? Only T1? Only T2?