Royce's principles that pertain to testing included:

Question $7$Select one or more:

a$.$

establishing the process for objective quality control and project progress assessment that includes the assessment of all the intermediate artifacts.

b$.$

using a demonstration$-$based approach in which intermediate artifacts are transitioned to executable demonstration of the user scenario so that these artifacts can be assessed earlier.

c$.$

planning to have incremental releases, each composed of a group of usage scenarios, with evolving levels of detail.

d$.$

All of these are correct.