assertThat(defaultArray).isEmpty();
    }
  }

  public void testObjectArrayDefaultValue() {
    new ObjectArrayDefaultValueChecker().check();
  }

  private static class StringArrayDefaultValueChecker extends DefaultValueChecker {

    @SuppressWarnings("unused") // called by NullPointerTester
    @Keep
    public void checkArray(String[] array, String s) {
      calledWith(array, s);
    }