.addEqualityGroup(ImmutableSet.of(1, 2, 1), ImmutableSet.of(2, 1, 1))
        .testEquals();
  }

  @GwtIncompatible // internals
  public void testControlsArraySize() {
    ImmutableSet.Builder<String> builder = new ImmutableSet.Builder<String>();
    for (int i = 0; i < 10; i++) {
      builder.add("foo");
    }
    builder.add("bar");

    ImmutableSortedSet.Builder<SuperComparableExample> reverse = ImmutableSortedSet.reverseOrder();
    assertThat(reverse).isNotNull();
  }

  @GwtIncompatible // internals
  public void testControlsArraySize() {
    ImmutableSet.Builder<String> builder = ImmutableSortedSet.naturalOrder();
    for (int i = 0; i < 10; i++) {
      builder.add("foo");
    }
    builder.add("bar");