new NullPointerTester()
        .setDefault(Enum.class, SomeEnum.A)
        .setDefault(Class.class, SomeEnum.class) // for newEnumSet
        .testAllPublicStaticMethods(Sets.class);
  }

  public void testNewSetFromMap() {
    @SuppressWarnings({"deprecation", "InlineMeInliner"}) // test of a deprecated method
    Set<Integer> set = Sets.newSetFromMap(new HashMap<Integer, Boolean>());
    set.addAll(SOME_COLLECTION);