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import org.checkerframework.checker.interning.qual.Interned;
import org.checkerframework.checker.interning.qual.InternedDistinct;
public class Distinct {
class Foo {}
Foo f1;
Foo f2;
@Interned Foo i1;
@Interned Foo i2;
@InternedDistinct Foo d1;
@InternedDistinct Foo d2;
public void testEquals() {
// :: error: not.interned
if (f1 == f2) {}
// :: error: not.interned
if (f1 == i2) {}
if (f1 == d2) {}
// :: error: not.interned
if (i1 == f2) {}
if (i1 == i2) {}
if (i1 == d2) {}
if (d1 == f2) {}
if (d1 == i2) {}
if (d1 == d2) {}
}
public void testAssignment1() {
f1 = f2;
}
public void testAssignment2() {
f1 = i2;
}
public void testAssignment3() {
f1 = d2;
}
public void testAssignment4() {
// :: error: assignment.type.incompatible
i1 = f2;
}
public void testAssignment5() {
i1 = i2;
}
public void testAssignment6() {
i1 = d2;
}
public void testAssignment7() {
// :: error: assignment.type.incompatible
d1 = f2;
}
public void testAssignment8() {
// :: error: assignment.type.incompatible
d1 = i2;
}
public void testAssignment9() {
d1 = d2;
}
}
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