* 80..95 : Offset by a fixed positive offset. The bottom 4 bits of b1 are the top 4 bits of the offset.
 *    119 : Ignored.
 *    120 : Valid.
 *    121 : Disallowed
 *    122 : Mapped inline to the sequence: [b2].
 *    123 : Mapped inline to the sequence: [b2a].
 *    124 : Mapped inline to the sequence: [b2, b3].
 *    125 : Mapped inline to the sequence: [b2a, b3].
 *    126 : Mapped inline to the sequence: [b2, b3a].

    // LCat embedded
    assertThat(stringPrep("\u0627abc\u0628")).isNull()

    // RandALCat not last.
    assertThat(stringPrep("\u0627123")).isNull()

    // RandALCat not first.
    assertThat(stringPrep("123\u0628")).isNull()
  }

    assertThat(response.cacheResponse!!.request.url).isEqualTo(request.url)
  }

  @Test
  fun postWithOverrideResponse() {
    val url = server.url("/abc?token=123")
    val cacheUrlOverride = url.newBuilder().removeAllQueryParameters("token").build()

    val request =
      Request.Builder()
        .url(url)
        .method("POST", "XYZ".toRequestBody())

  data class Inline1(
    override val rangeStart: Int,
    private val mappedTo: ByteString,
  ) : MappedRange {
    val b1: Int
      get() {
        val b3bit8 = mappedTo[0] and 0x80 != 0
        return if (b3bit8) 123 else 122
      }

    val b2: Int
      get() = mappedTo[0] and 0x7f
  }

  data class Inline2(
    override val rangeStart: Int,
    private val mappedTo: ByteString,
  ) : MappedRange {
    val b1: Int

  }

  @Test
  fun kotlinReifiedTag() {
    val uuidTag = "1234"
    val request =
      Request.Builder()
        .url("https://square.com")
        .tag<String>(uuidTag) // Use the type parameter.
        .build()
    assertThat(request.tag<String>()).isSameAs("1234")
    assertThat(request.tag<Any>()).isNull()

    // Alternate access APIs also work.

        .newBuilder()
        .scheme("http")
        .build().port,
    ).isEqualTo(80)
    assertThat(
      parse("https://example.com:1234")
        .newBuilder()
        .scheme("http")
        .build().port,
    ).isEqualTo(1234)
  }

  @Test
  fun composeEncodesWhitespace() {
    val url =
      HttpUrl.Builder()
        .scheme("http")

      getResponse(
        Request(
          url = server.url("/"),
          body = "123".toRequestBody(null),
        ),
      ),
    )
    val request1 = server.takeRequest()
    assertThat(request1.sequenceNumber).isEqualTo(0)
    val request2 = server.takeRequest()
    assertThat(request2.body.readUtf8()).isEqualTo("123")
    assertThat(request2.sequenceNumber).isEqualTo(0)
  }

  @Test

   *
   * @param code Status code as defined by
   *     [Section 7.4 of RFC 6455](http://tools.ietf.org/html/rfc6455#section-7.4).
   * @param reason Reason for shutting down, no longer than 123 bytes of UTF-8 encoded data (**not** characters) or null.
   * @throws IllegalArgumentException if [code] is invalid or [reason] is too long.
   */
  fun close(
    code: Int,
    reason: String?,
  ): Boolean

    var socketAddress = InetSocketAddress.createUnresolved("host", 1234)
    assertThat(socketAddress.socketHost).isEqualTo("host")
    socketAddress = InetSocketAddress.createUnresolved("127.0.0.1", 1234)
    assertThat(socketAddress.socketHost).isEqualTo("127.0.0.1")

    // InetAddress proxy specification.
    socketAddress = InetSocketAddress(InetAddress.getByName("localhost"), 1234)
    assertThat(socketAddress.socketHost).isEqualTo("127.0.0.1")

  }

  private class FakeSocket(
    private val localAddress: InetAddress,
    private val localPort: Int,
    private val remoteAddress: InetAddress = localAddress,
    private val remotePort: Int = 1234,
  ) : Socket() {
    override fun getInetAddress() = remoteAddress

    override fun getLocalAddress() = localAddress

    override fun getLocalPort() = localPort

    override fun getPort() = remotePort
  }