Domain testing is a software testing technique in which selecting a small number of test cases from a nearly infinite group of test cases. For testing few applications, Domain specific knowledge plays a very crucial role.
Domain testing is a type of functional testing and tests the application by feeding interesting inputs and evaluating its outputs.
Equivalence class carries its own significance when performing domain testing. Different ways of equivalence class are:
Intuitive equivalence
Specified equivalence
Subjective equivalence
Risk-based equivalence: