assertThat(publicSuffixDatabase.getEffectiveTldPlusOne("example.com")).isNull()
    assertThat(publicSuffixDatabase.getEffectiveTldPlusOne("foo.square.jp")).isNull()
  }

  @Test fun allPublicSuffixes() {
    val buffer = Buffer()
    FileSystem.RESOURCES.source(PublicSuffixDatabase.PUBLIC_SUFFIX_RESOURCE).use { resource ->
      GzipSource(resource).buffer().use { source ->
        val length = source.readInt()