1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
import org.checkerframework.checker.nullness.qual.*;
/*
* Illustrate a problem with annotations on type variables.
*/
public class GenericsBounds2<X extends @Nullable Object> {
void m1(X @NonNull [] a1, @Nullable X @NonNull [] a2) {
// :: error: (assignment.type.incompatible)
a1 = null;
// :: error: (assignment.type.incompatible)
a1[0] = null;
// :: error: (assignment.type.incompatible)
a2 = null;
a2[0] = null;
// This error is expected when arrays are invariant.
// Currently, this error is not raised.
// TODOINVARR:: error: (assignment.type.incompatible)
a2 = a1;
a2[0] = null;
}
void aaa(@Nullable Object[] p1, @NonNull Object[] p2) {
// This one is only expected when we switch the default for arrays to be invariant.
// TODOINVARR:: error: (assignment.type.incompatible)
p1 = p2;
}
}
|
