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import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;
public abstract class RawTypesUses {
class Generic<G extends @Nullable Object> {
G foo() {
throw new RuntimeException();
}
}
void foo() {
Generic<@Nullable String> notRawNullable = new Generic<>();
// :: error: (assignment.type.incompatible)
@NonNull Object o1 = notRawNullable.foo();
Generic rawNullable = new Generic<@Nullable String>();
// TODO: false negative. See #635.
//// :: error: (assignment.type.incompatible)
@NonNull Object o2 = rawNullable.foo();
Generic<@NonNull String> notRawNonNull = new Generic<>();
@NonNull Object o3 = notRawNonNull.foo();
Generic rawNonNull = new Generic<@NonNull String>();
Generic rawNonNullAlais = rawNonNull;
// TODO: false negative. See #635.
//// :: error: (assignment.type.incompatible)
@NonNull Object o4 = rawNonNull.foo();
// TODO: false negative. See #635.
//// :: error: (assignment.type.incompatible)
@NonNull Object o5 = rawNonNullAlais.foo();
}
abstract Generic rawReturn();
void bar() {
// :: warning: [unchecked] unchecked conversion
Generic<@Nullable String> notRawNullable = rawReturn();
// :: error: (assignment.type.incompatible)
@NonNull Object o1 = notRawNullable.foo();
Generic rawNullable = rawReturn();
// TODO: false negative. See #635.
//// :: error: (assignment.type.incompatible)
@NonNull Object o2 = rawNullable.foo();
// TODO: false negative. See #635.
//// :: error: (assignment.type.incompatible)
@NonNull Object o3 = rawReturn().foo();
Generic local = rawReturn();
Generic localAlias = local;
// TODO: false negative. See #635.
//// :: error: (assignment.type.incompatible)
@NonNull Object o4 = local.foo();
}
}
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