.addEqualityGroup(g)
        .testEquals();

    new EqualsTester()
        .addEqualityGroup(g, Functions.<@Nullable Object>constant(null))
        .addEqualityGroup(Functions.constant("incorrect"))
        .addEqualityGroup(Functions.toStringFunction())
        .addEqualityGroup(f)
        .testEquals();
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester

        SerializableTester.reserialize(sequentialFunnel(integerFunnel())));
    assertEquals(stringFunnel(US_ASCII), SerializableTester.reserialize(stringFunnel(US_ASCII)));
  }

  public void testEquals() {
    new EqualsTester()
        .addEqualityGroup(byteArrayFunnel())
        .addEqualityGroup(integerFunnel())
        .addEqualityGroup(longFunnel())
        .addEqualityGroup(unencodedCharsFunnel())

   *
   * <p>In all cases, if {@code C} needs custom logic for testing {@code equals()}, you can add an
   * explicit {@code testEquals()} test in the corresponding {@code CTest} class, and {@code C} will
   * be excluded from the automated {@code equals} test performed by this method.
   */
  @Test
  public void testEquals() throws Exception {
    for (Class<?> classToTest :

    new EqualsTester()
        .addEqualityGroup(STR_TO_LONG, STR_TO_LONG.reverse().reverse())
        .addEqualityGroup(STR_TO_LONG.reverse(), STR_TO_LONG.reverse())
        .testEquals();
  }

  public void testReverseReverse() {
    Converter<String, Long> converter = STR_TO_LONG;
    assertEquals(converter, converter.reverse().reverse());
  }

      new EqualsTester()
          .addEqualityGroup(cache.asMap().keySet(), keys)
          .addEqualityGroup(ImmutableSet.of())
          .testEquals();
      assertThat(keys).hasSize(WARMUP_SIZE);
      for (int i = WARMUP_MIN; i < WARMUP_MAX; i++) {
        Object key = warmed.get(i - WARMUP_MIN).getKey();
        assertThat(keys.contains(key)).isTrue();

    new EqualsTester()
        .addEqualityGroup(hpNoPort1, hpNoPort2, hpNoPort3, hpNoPort4, hpNoPort5)
        .addEqualityGroup(hpWithPort1, hpWithPort2, hpWithPort3)
        .testEquals();
  }

  public void testRequireBracketsForIPv6() {
    // Bracketed IPv6 works fine.
    assertThat(HostAndPort.fromString("[::1]").requireBracketsForIPv6().getHost()).isEqualTo("::1");

        .addEqualityGroup(Optional.of(Long.valueOf(5)), reserialize(Optional.of(Long.valueOf(5))))
        .addEqualityGroup(Optional.of(Long.valueOf(42)), reserialize(Optional.of(Long.valueOf(42))))
        .testEquals();
  }

  public void testToString_absent() {
    assertThat(Optional.absent().toString()).isEqualTo("Optional.absent()");
  }

  public void testToString_present() {

    new EqualsTester()
        .addEqualityGroup(hpNoPort1, hpNoPort2, hpNoPort3, hpNoPort4, hpNoPort5)
        .addEqualityGroup(hpWithPort1, hpWithPort2, hpWithPort3)
        .testEquals();
  }

  public void testRequireBracketsForIPv6() {
    // Bracketed IPv6 works fine.
    assertThat(HostAndPort.fromString("[::1]").requireBracketsForIPv6().getHost()).isEqualTo("::1");

      new EqualsTester()
          .addEqualityGroup(builder.build(identityLoader()))
          .addEqualityGroup(builder.build(identityLoader()))
          .addEqualityGroup(builder.build(identityLoader()))
          .testEquals();
    }
  }

  public void testGet_null() throws ExecutionException {
    for (LoadingCache<Object, Object> cache : caches()) {
      assertThrows(NullPointerException.class, () -> cache.get(null));

        .addEqualityGroup(idn("www.google.com"))
        .addEqualityGroup(UNICODE_EXAMPLE)
        .addEqualityGroup(PUNYCODE_EXAMPLE)
        .testEquals();
  }

  private static InternetDomainName idn(String domain) {
    return InternetDomainName.from(domain);
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester