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import org.checkerframework.checker.initialization.qual.UnderInitialization;
import org.checkerframework.checker.initialization.qual.UnknownInitialization;
public class Subtyping {
void test1(
@UnknownInitialization(Object.class) Object unknownObject,
@UnderInitialization(Object.class) Object underObject,
@UnknownInitialization(Subtyping.class) Object unknownSubtyping,
@UnderInitialization(Subtyping.class) Object underSubtyping) {
// ::error: (assignment.type.incompatible)
underObject = unknownObject;
underObject = underSubtyping;
// ::error: (assignment.type.incompatible)
underObject = unknownSubtyping;
}
void test2(
@UnknownInitialization(Object.class) Object unknownObject,
@UnderInitialization(Object.class) Object underObject,
@UnknownInitialization(Subtyping.class) Object unknownSubtyping,
@UnderInitialization(Subtyping.class) Object underSubtyping) {
unknownObject = underSubtyping;
unknownObject = unknownSubtyping;
unknownObject = underObject;
}
void test3(
@UnknownInitialization(Object.class) Object unknownObject,
@UnderInitialization(Object.class) Object underObject,
@UnknownInitialization(Subtyping.class) Object unknownSubtyping,
@UnderInitialization(Subtyping.class) Object underSubtyping) {
// ::error: (assignment.type.incompatible)
underSubtyping = unknownObject;
// ::error: (assignment.type.incompatible)
underSubtyping = unknownSubtyping;
// ::error: (assignment.type.incompatible)
underSubtyping = underObject;
}
void test4(
@UnknownInitialization(Object.class) Object unknownObject,
@UnderInitialization(Object.class) Object underObject,
@UnknownInitialization(Subtyping.class) Object unknownSubtyping,
@UnderInitialization(Subtyping.class) Object underSubtyping) {
// ::error: (assignment.type.incompatible)
unknownSubtyping = unknownObject;
unknownSubtyping = underSubtyping;
// ::error: (assignment.type.incompatible)
unknownSubtyping = underObject;
}
}
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