taskRunner: TaskRunner = TaskRunner.INSTANCE,
    connectionListener: ConnectionListener = ConnectionListener.NONE,
    readTimeoutMillis: Int = 10_000,
    writeTimeoutMillis: Int = 10_000,
    socketConnectTimeoutMillis: Int = 10_000,
    socketReadTimeoutMillis: Int = 10_000,
    pingIntervalMillis: Int = 10_000,
    retryOnConnectionFailure: Boolean = true,
    fastFallback: Boolean = true,
    routeDatabase: RouteDatabase = RouteDatabase(),

    byteArrayOf(
      13, 23, 28, 28, 28, 28, 28, 28, 28, 24, 30, 28, 28, 30, 28, 28, 28, 28, 28, 28,
      28, 28, 30, 28, 28, 28, 28, 28, 28, 28, 28, 28, 6, 10, 10, 12, 13, 6, 8, 11, 10, 10, 8,
      11, 8, 6, 6, 6, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 7, 8, 15, 6, 12, 10, 13, 6, 7, 7, 7, 7, 7,
      7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 7, 8, 13, 19, 13, 14, 6, 15, 5, 6,

        override fun contentLength(): Long {
          return 10
        }

        override fun source(): BufferedSource {
          return Buffer().writeUtf8("hello")
        }
      }
    assertFailsWith<IOException> {
      body.bytes()
    }.also { expected ->
      assertThat(expected.message).isEqualTo(
        "Content-Length (10) and stream length (5) disagree",
      )
    }
  }

    consumeEvents(
      """
      |data: YHOO
      |data: +2
      |data: 10
      |
      |
      """.trimMargin(),
    )
    assertThat(callbacks.remove()).isEqualTo(Event(null, null, "YHOO\n+2\n10"))
  }

  @Test
  fun multilineCr() {
    consumeEvents(
      """
      |data: YHOO
      |data: +2
      |data: 10
      |
      |
      """.trimMargin().replace("\n", "\r"),
    )

private fun isMappedIpv4Address(address: ByteArray): Boolean {
  if (address.size != 16) return false

  for (i in 0 until 10) {
    if (address[i] != 0.toByte()) return false
  }

  if (address[10] != 255.toByte()) return false
  if (address[11] != 255.toByte()) return false

  return true
}

/** Encodes an IPv4 address in canonical form according to RFC 4001. */

## Version 4.2.2

_2019-10-06_

 *  Fix: When closing a canceled HTTP/2 stream, don't send the `END_STREAM` flag. This could cause
    the server to incorrectly interpret the stream as having completed normally. This is most useful
    when a request body needs to cancel its own call.


## Version 4.2.1

_2019-10-02_

### Download

```kotlin
testImplementation("com.squareup.okhttp3:okhttp-dnsoverhttps:4.12.0")
```

### Usage

```
  val appCache = Cache(File("cacheDir", "okhttpcache"), 10 * 1024 * 1024)
  val bootstrapClient = OkHttpClient.Builder().cache(appCache).build()

  val dns = DnsOverHttps.Builder().client(bootstrapClient)
    .url("https://dns.google/dns-query".toHttpUrl())

        // 6
        "data\r".encodeUtf8(),
        // 7
        "data\n".encodeUtf8(),
        // 8
        "id: ".encodeUtf8(),
        // 9
        "id:".encodeUtf8(),
        // 10
        "id\r\n".encodeUtf8(),
        // 11
        "id\r".encodeUtf8(),
        // 12
        "id\n".encodeUtf8(),
        // 13
        "event: ".encodeUtf8(),
        // 14

  @Test
  fun decodeEcdsa256() {
    // The certificate + private key below was generated programmatically:
    //
    // HeldCertificate heldCertificate = new HeldCertificate.Builder()
    //     .validityInterval(5_000L, 10_000L)
    //     .addSubjectAlternativeName("1.1.1.1")
    //     .addSubjectAlternativeName("cash.app")
    //     .serialNumber(42L)
    //     .commonName("cash.app")
    //     .organizationalUnit("engineering")

      " hostAddress=${route.socketAddress}" +
      " cipherSuite=${handshake?.cipherSuite ?: "none"}" +
      " protocol=$protocol}"
  }

  companion object {
    const val IDLE_CONNECTION_HEALTHY_NS = 10_000_000_000 // 10 seconds.

    fun newTestConnection(
      taskRunner: TaskRunner,
      connectionPool: RealConnectionPool,
      route: Route,
      socket: Socket,
      idleAtNs: Long,
    ): RealConnection {