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import org.checkerframework.checker.nullness.qual.*;
class Unboxing {
@Nullable Integer f;
public void t1() {
// :: error: (unboxing.of.nullable)
@NonNull int l = f + 1;
// no error, since f has been unboxed
f.toString();
}
public void t2() {
try {
// :: error: (unboxing.of.nullable)
@NonNull int l = f + 1;
} catch (NullPointerException npe) {
// f is known to be null on the exception edge
// :: error: (unboxing.of.nullable)
@NonNull int m = f + 1;
}
// after the merge, f cannot be null
f.toString();
}
void foo(@Nullable Integer in) {
// :: error: (unboxing.of.nullable)
int q = in;
}
int bar(@Nullable Integer in) {
// :: error: (unboxing.of.nullable)
return in;
}
<T extends @Nullable Integer> int barT(T in) {
// :: error: (unboxing.of.nullable)
int q = in;
// :: error: (unboxing.of.nullable)
return in;
}
}
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