}.also { expected ->
      assertThat(expected.message).isEqualTo(
        "Payload size must be less than or equal to 125",
      )
    }
  }

  private fun assertData(hex: String) {
    assertData(hex.decodeHex())
  }

  private fun assertData(expected: ByteString) {
    val actual = data.readByteString(Math.min(expected.size.toLong(), data.size))
    assertThat(actual).isEqualTo(expected)
  }

 * Regular lines contain fields separated by semicolons.
 *
 * The first element on each line is a single hex code point (like 0041) or a hex code point range
 * (like 0030..0039).
 *
 * The second element on each line is a mapping type, like `valid` or `mapped`.
 *
 * For lines that contain a mapping target, the next thing is a sequence of hex code points (like
 * 0031 2044 0034).
 *
 * All other data is ignored.
 */

      }

      while (!encodedCharBuffer.exhausted()) {
        val b = encodedCharBuffer.readByte().toInt() and 0xff
        writeByte('%'.code)
        writeByte(HEX_DIGITS[b shr 4 and 0xf].code)
        writeByte(HEX_DIGITS[b and 0xf].code)
      }
    } else {
      // This character doesn't need encoding. Just copy it over.
      writeUtf8CodePoint(codePoint)
    }
    i += Character.charCount(codePoint)

import okio.Buffer

/**
 * Quick and dirty pattern to differentiate IP addresses from hostnames. This is an approximation
 * of Android's private InetAddress#isNumeric API.
 *
 * This matches IPv6 addresses as a hex string containing at least one colon, and possibly
 * including dots after the first colon. It matches IPv4 addresses as strings containing only

                call: Call,
                connection: Connection,
              ) {
                val sslSocket = connection.socket() as SSLSocket

                sessionIds.add(sslSocket.session.id.toByteString().hex())
              }
            },
          ),
        )
        .sslSocketFactory(sslSocketFactory, handshakeCertificates.trustManager)
        .build()

    server.enqueue(MockResponse(body = "abc1"))

    assertThat(body.string()).isEqualTo(text)
  }

  companion object {
    @JvmOverloads
    fun body(
      hex: String,
      charset: String? = null,
    ): ResponseBody {
      val mediaType = if (charset == null) null else "any/thing; charset=$charset".toMediaType()
      return hex.decodeHex().toResponseBody(mediaType)
    }

    fun exhaust(reader: Reader): String {
      val builder = StringBuilder()

                call: Call,
                connection: Connection,
              ) {
                val sslSocket = connection.socket() as SSLSocket

                sessionIds.add(sslSocket.session.id.toByteString().hex())
              }
            },
          ),
        )
        .build()

    val request = Request.Builder().url("https://facebook.com/robots.txt").build()

    client.newCall(request).execute().use {

  }

  @Test fun `deflate golden value`() {
    val deflater = MessageDeflater(false)
    val deflated = deflater.deflate("Hello deflate!".encodeUtf8())
    assertThat(deflated.hex()).isEqualTo("f248cdc9c95748494dcb492c49550400")
  }

  @Test fun `inflate deflate`() {
    val deflater = MessageDeflater(false)
    val inflater = MessageInflater(false)

        val sslSocket = connection.socket() as SSLSocket
        val session = sslSocket.session

        val masterSecretHex =
          session.masterSecret?.encoded?.toByteString()
            ?.hex()

        if (masterSecretHex != null) {
          val keyLog = "CLIENT_RANDOM $random $masterSecretHex"

          if (verbose) {
            println(keyLog)
          }

    assertThat(frameLog(true, 3, 10000, TYPE_DATA, 0x20))
      .isEqualTo("<< 0x00000003 10000 DATA          COMPRESSED")
  }

  /**
   * Ensures that valid flag combinations appear visually correct, and invalid show in hex.  This
   * also demonstrates how sparse the lookup table is.
   */
  @Test
  fun allFormattedFlagsWithValidBits() {
    val formattedFlags = mutableListOf<String>() // Highest valid flag is 0x20.