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import org.checkerframework.common.reflection.qual.ClassBound;
import org.checkerframework.common.reflection.qual.ClassVal;
public class ClassValSubtypingTest {
@ClassVal("a") Object a = null;
@ClassVal({"a", "b"}) Object ab = null;
@ClassVal("c") Object c = null;
@ClassVal({"c", "d"}) Object cd = null;
Object unknown = null;
void assignToUnknown() {
unknown = a;
unknown = ab;
unknown = c;
unknown = cd;
}
void assignUnknown() {
// :: error: (assignment.type.incompatible)
a = unknown;
// :: error: (assignment.type.incompatible)
ab = unknown;
// :: error: (assignment.type.incompatible)
c = unknown;
// :: error: (assignment.type.incompatible)
cd = unknown;
}
void assignments() {
// :: error: (assignment.type.incompatible)
a = ab;
ab = a;
// :: error: (assignment.type.incompatible)
a = c;
// :: error: (assignment.type.incompatible)
ab = c;
// :: error: (assignment.type.incompatible)
ab = cd;
}
}
class ClassBoundSubtypingTest {
@ClassBound("a") Object a = null;
@ClassBound({"a", "b"}) Object ab = null;
@ClassBound("c") Object c = null;
@ClassBound({"c", "d"}) Object cd = null;
Object unknown = null;
void assignToUnknown() {
unknown = a;
unknown = ab;
unknown = c;
unknown = cd;
}
void assignUnknown() {
// :: error: (assignment.type.incompatible)
a = unknown;
// :: error: (assignment.type.incompatible)
ab = unknown;
// :: error: (assignment.type.incompatible)
c = unknown;
// :: error: (assignment.type.incompatible)
cd = unknown;
}
void assignments() {
// :: error: (assignment.type.incompatible)
a = ab;
ab = a;
// :: error: (assignment.type.incompatible)
a = c;
// :: error: (assignment.type.incompatible)
ab = c;
// :: error: (assignment.type.incompatible)
ab = cd;
}
}
class ClassValClassBoundSubtypingTest {
@ClassVal("a") Object a = null;
@ClassVal({"a", "b"}) Object ab = null;
@ClassBound("a") Object aBound = null;
@ClassBound({"a", "b"}) Object abBound = null;
void assignments1() {
// :: error: (assignment.type.incompatible)
a = aBound;
// :: error: (assignment.type.incompatible)
ab = aBound;
// :: error: (assignment.type.incompatible)
a = abBound;
// :: error: (assignment.type.incompatible)
ab = abBound;
}
void assignments2() {
aBound = a;
// :: error: (assignment.type.incompatible)
aBound = ab;
abBound = a;
abBound = ab;
}
}
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