Generic interface to be used for configuring mock's answer for a four argument invocation.
Answer specifies an action that is executed and a return value that is returned when you interact with the mock.
Example of stubbing a mock with this custom answer:
import static org.mockito.AdditionalAnswers.answer;
when(mock.someMethod(anyInt(), anyString(), anyChar(), any())).then(answer(
new Answer4<StringBuilder, Integer, String, Character, Object>() {
public StringBuilder answer(Integer i, String s, Character c, Object o) {
return new StringBuilder().append(i).append(s).append(c).append(o.hashCode());
}
}));
//Following will print a string like "3xyz131635550"
System.out.println(mock.someMethod(3, "xy", 'z', new Object()));