assertThat(url.topPrivateDomain()).isEqualTo("twitter.com")
  }

  @Test
  fun testPublicSuffixes() {
    platform.assumeNotGraalVMImage()

    val metadata = FileSystem.RESOURCES.metadata(PublicSuffixDatabase.PUBLIC_SUFFIX_RESOURCE)
    assertThat(metadata.size!!).isGreaterThan(30000)
  }

    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()
        buffer.write(source, length.toLong())
      }
    }