assertThat(publicSuffixDatabase.getEffectiveTldPlusOne("ccc")).isNull()
    assertThat(publicSuffixDatabase.getEffectiveTldPlusOne("eee")).isNull()
  }

  @Test fun exceptionRule() {
    val exception =
      Buffer()
        .writeUtf8("my.square.jp\n")
    val buffer =
      Buffer()
        .writeUtf8("*.jp\n")
        .writeUtf8("*.square.jp\n")
        .writeUtf8("example.com\n")

    if (!(exception instanceof NoSuchFileException)) {
      return null;
    }
    NoSuchFileException noSuchFileException = (NoSuchFileException) exception;
    String exceptionFile = noSuchFileException.getFile();
    if (exceptionFile == null) {
      /*
       * It's not clear whether this happens in practice, especially with the filesystem
       * implementations that are built into java.nio.
       */

    if (!(exception instanceof NoSuchFileException)) {
      return null;
    }
    NoSuchFileException noSuchFileException = (NoSuchFileException) exception;
    String exceptionFile = noSuchFileException.getFile();
    if (exceptionFile == null) {
      /*
       * It's not clear whether this happens in practice, especially with the filesystem
       * implementations that are built into java.nio.
       */