.testEquals();
  }

  public void testExplicit_none() {
    Comparator<Integer> c = Ordering.explicit(Collections.<Integer>emptyList());
    IncomparableValueException expected =
        assertThrows(IncomparableValueException.class, () -> c.compare(0, 0));
    assertEquals(0, expected.value);
    reserializeAndAssert(c);
  }

  public void testExplicit_one() {
    Comparator<Integer> c = Ordering.explicit(0);

        .testEquals();
  }

  public void testExplicit_none() {
    Comparator<Integer> c = Ordering.explicit(Collections.<Integer>emptyList());
    IncomparableValueException expected =
        assertThrows(IncomparableValueException.class, () -> c.compare(0, 0));
    assertEquals(0, expected.value);
    reserializeAndAssert(c);
  }

  public void testExplicit_one() {
    Comparator<Integer> c = Ordering.explicit(0);