public void testToInt() {
    assertThat(UnsignedBytes.toInt((byte) 0)).isEqualTo(0);
    assertThat(UnsignedBytes.toInt((byte) 1)).isEqualTo(1);
    assertThat(UnsignedBytes.toInt((byte) 127)).isEqualTo(127);
    assertThat(UnsignedBytes.toInt((byte) -128)).isEqualTo(128);
    assertThat(UnsignedBytes.toInt((byte) -127)).isEqualTo(129);
    assertThat(UnsignedBytes.toInt((byte) -1)).isEqualTo(255);
  }

  public void testCheckedCast() {

  override fun hashCode(): Int {
    var result = 0
    result = 31 * result + tagClass
    result = 31 * result + tag.toInt()
    result = 31 * result + (if (constructed) 0 else 1)
    result = 31 * result + length.toInt()
    return result
  }

  override fun toString(): String = "$tagClass/$tag"

  companion object {
    const val TAG_CLASS_UNIVERSAL = 0b0000_0000

  override fun hashCode(): Int {
    var result = 0
    result = 31 * result + tagClass
    result = 31 * result + tag.toInt()
    result = 31 * result + (if (constructed) 0 else 1)
    result = 31 * result + length.toInt()
    result = 31 * result + bytes.hashCode()
    return result
  }

    val request = server.takeRequest()
    assertThat(request.requestLine).isEqualTo("POST /foo HTTP/2")
    assertArrayEquals(postBytes, request.body?.toByteArray())
    assertThat(request.headers["Content-Length"]!!.toInt()).isEqualTo(postBytes.size)
  }

  @Test
  fun closeAfterFlush() {
    val postBytes = "FGHIJ".toByteArray()
    server.enqueue(MockResponse(body = "ABCDE"))
    val call =
      client.newCall(

 */
package okhttp3.testing

object PlatformVersion {
  val majorVersion: Int by lazy {
    when (val jvmSpecVersion = getJvmSpecVersion()) {
      "1.8" -> 8
      else -> jvmSpecVersion.toInt()
    }
  }

  fun getJvmSpecVersion(): String = System.getProperty("java.specification.version", "unknown")

    }
    when {
      dataSize <= PAYLOAD_BYTE_MAX -> {
        b1 = b1 or dataSize.toInt()
        sinkBuffer.writeByte(b1)
      }

      dataSize <= PAYLOAD_SHORT_MAX -> {
        b1 = b1 or PAYLOAD_SHORT
        sinkBuffer.writeByte(b1)
        sinkBuffer.writeShort(dataSize.toInt())
      }

      else -> {
        b1 = b1 or PAYLOAD_LONG
        sinkBuffer.writeByte(b1)

    while (ms > 100) {
      Thread.sleep(100)
      if (javaNetSocket.isClosed) throw InterruptedIOException("socket closed")
      ms -= 100L
    }

    if (ms > 0L || ns > 0) {
      Thread.sleep(ms, ns.toInt())
    }
  }

  override fun cancel() {
    delegate.cancel()
  }

  override fun close() {
    javaNetSocket.close()
  }

  fun awaitClosed() {
    closedLatch.await()
  }

internal inline fun Lockable.awaitNanos(nanos: Long) {
  val ms = nanos / 1_000_000L
  val ns = nanos - (ms * 1_000_000L)
  if (ms > 0L || nanos > 0) {
    (this as Object).wait(ms, ns.toInt())
  }
}

internal inline fun Lockable.assertLockNotHeld() {
  if (assertionsEnabled && Thread.holdsLock(this)) {
    throw AssertionError("Thread ${Thread.currentThread().name} MUST NOT hold lock on $this")
  }
}

    )
  }

  @Test
  fun messagesNotCompressedWhenNotConfigured() {
    val message = repeat('a', RealWebSocket.DEFAULT_MINIMUM_DEFLATE_SIZE.toInt())
    server.webSocket!!.send(message)
    taskFaker.runTasks()
    assertThat(client.clientSourceBufferSize())
      .isGreaterThan(message.length.toLong()) // Not compressed.

    val from = nextAddress
    nextAddress += count
    return (from until nextAddress)
      .map {
        return@map InetAddress.getByAddress(
          Buffer().writeInt(it.toInt()).readByteArray(),
        )
      }
  }

  /** Allocates and returns `count` fake IPv6 addresses like [::ff00:64, ::ff00:65].  */
  fun allocateIpv6(count: Int): List<InetAddress> {
    val from = nextAddress