checker/tests/nullness-safedefaultssourcecode/BasicSafeDefaultsTest.java

import org.checkerframework.checker.nullness.qual.*;
import org.checkerframework.framework.qual.AnnotatedFor;

// Tests that lack of @AnnotatedFor suppresses warnings, when
// -AuseConservativeDefaultsForUncheckedCode=source is supplied.

@AnnotatedFor("nullness")
public class BasicSafeDefaultsTest {

  void m1() {
    @NonNull Object x1 = SdfuscLib.unannotated();
    // :: error: (assignment)
    @NonNull Object x2 = SdfuscLib.returnsNullable();
    @NonNull Object x3 = SdfuscLib.returnsNonNull();
    // :: error: (assignment)
    @NonNull Object x4 = SdfuscLibNotAnnotatedFor.unannotated();
    // :: error: (assignment)
    @NonNull Object x5 = SdfuscLibNotAnnotatedFor.returnsNullable();
    @NonNull Object x6 = SdfuscLibNotAnnotatedFor.returnsNonNull();
  }

  void m2() {
    @Nullable Object x1 = SdfuscLib.unannotated();
    @Nullable Object x2 = SdfuscLib.returnsNullable();
    @Nullable Object x3 = SdfuscLib.returnsNonNull();
    @Nullable Object x4 = SdfuscLibNotAnnotatedFor.unannotated();
    @Nullable Object x5 = SdfuscLibNotAnnotatedFor.returnsNullable();
    @Nullable Object x6 = SdfuscLibNotAnnotatedFor.returnsNonNull();
  }
}

class BasicTestNotAnnotatedFor {
  void m1() {
    @NonNull Object x1 = SdfuscLib.unannotated();
    @NonNull Object x2 = SdfuscLib.returnsNullable();
    @NonNull Object x3 = SdfuscLib.returnsNonNull();
    @NonNull Object x4 = SdfuscLibNotAnnotatedFor.unannotated();
    @NonNull Object x5 = SdfuscLibNotAnnotatedFor.returnsNullable();
    @NonNull Object x6 = SdfuscLibNotAnnotatedFor.returnsNonNull();
  }

  void m2() {
    @Nullable Object x1 = SdfuscLib.unannotated();
    @Nullable Object x2 = SdfuscLib.returnsNullable();
    @Nullable Object x3 = SdfuscLib.returnsNonNull();
    @Nullable Object x4 = SdfuscLibNotAnnotatedFor.unannotated();
    @Nullable Object x5 = SdfuscLibNotAnnotatedFor.returnsNullable();
    @Nullable Object x6 = SdfuscLibNotAnnotatedFor.returnsNonNull();
  }
}