expectedName = expectedName.substring(0, expectedName.length() - 1);
      }

      assertEquals(expectedName, domain.toString());
    }
  }

  public void testPublicSuffixExclusion() {
    InternetDomainName domain = InternetDomainName.from("foo.city.yokohama.jp");
    assertTrue(domain.hasPublicSuffix());
    assertEquals("yokohama.jp", domain.publicSuffix().toString());