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// Test case for Issue 314:
// https://github.com/typetools/checker-framework/issues/314
import java.util.List;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;
class Issue314 {
<T extends @NonNull Object> List<T> m1(List<@NonNull T> l1) {
return l1;
}
<T extends @Nullable Object> List<T> m2(List<@NonNull T> l1) {
// :: error: (return.type.incompatible)
return l1;
}
class Also<S extends @NonNull Object> {
S f1;
@NonNull S f2;
{
// :: error: (assignment.type.incompatible)
f1 = f2;
// :: error: (assignment.type.incompatible)
f2 = f1;
}
}
}
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