val relay = edit(file, upstream, metadata, 1024)
    val source1 = relay.newSource()
    val source2 = relay.newSource()
    source1!!.close()
    source1.close() // Unnecessary. Shouldn't decrement the reference count.
    assertThat(relay.isClosed).isFalse()
    source2!!.close()
    assertThat(relay.isClosed).isTrue()
    assertFile(Relay.PREFIX_DIRTY, -1L, -1, null, null)
  }

  @Test
  fun racingReaders() {

        return if (chunked) -1L else size
      }

      override fun writeTo(sink: BufferedSink) {
        var count = 0
        while (count < size) {
          sink.write(buffer, 0, Math.min(size - count, writeSize.toLong()).toInt())
          count += writeSize
        }
      }
    }
  }

  @Test
  fun emptyResponseBody() {
    server.enqueue(

internal fun checkOffsetAndCount(
  arrayLength: Long,
  offset: Long,
  count: Long,
) {
  if (offset or count < 0L || offset > arrayLength || arrayLength - offset < count) {
    throw ArrayIndexOutOfBoundsException("length=$arrayLength, offset=$offset, count=$offset")
  }
}

val commonEmptyHeaders: Headers = Headers.headersOf()

    }
    var count = 0
    while (!data.exhausted()) {
      assertFailsWith<ProtocolException> {
        clientReader.processNextFrame()
      }.also { expected ->
        assertThat(expected.message!!)
          .matches(Regex("Code \\d+ is reserved and may not be used."))
      }
      count++
    }
    assertThat(count).isEqualTo(1988)
  }

      Thread.sleep(250)
      backend.shutdown()
      return@schedule -1L
    }

    assertThat(queue.idleLatch().await(500L, TimeUnit.MILLISECONDS)).isTrue()
    assertThat(queue.idleLatch().count).isEqualTo(0)
  }

        override fun read(
          sink: Buffer,
          byteCount: Long,
        ): Long {
          val mixedCase = Buffer()
          val count = original.read(mixedCase, byteCount)
          sink.writeUtf8(mixedCase.readUtf8().uppercase())
          return count
        }
      }
    }
  }

      frameHeader(
        streamId = 0,
        length = settings.size() * 6,
        type = TYPE_SETTINGS,
        flags = FLAG_NONE,
      )
      for (i in 0 until Settings.COUNT) {
        if (!settings.isSet(i)) continue
        val id =
          when (i) {
            4 -> 3 // SETTINGS_MAX_CONCURRENT_STREAMS renumbered.
            7 -> 4 // SETTINGS_INITIAL_WINDOW_SIZE renumbered.

      object : WebSocketListener() {
        override fun onFailure(
          webSocket: WebSocket,
          t: Throwable,
          response: Response?,
        ) {
          if (attempts.count > 0) {
            clientListener.setNextEventDelegate(this)
            webSockets.add(client.newWebSocket(request, clientListener))
            attempts.countDown()
          }
        }
      }

  // Example taken from twitter/hpack DecoderTest.testInsidiousMaxHeaderSize
  @Test
  fun readHeaderTableStateChangeInsidiousMaxHeaderByteCount() {
    bytesIn.writeByte(0x3f)
    bytesIn.write("e1ffffff07".decodeHex()) // count = -2147483648
    assertFailsWith<IOException> {
      hpackReader!!.readHeaders()
    }.also { expected ->
      assertThat(expected.message)
        .isEqualTo("Invalid dynamic table size update -2147483648")
    }

import okio.Buffer
import okio.ByteString
import okio.ByteString.Companion.decodeHex
import okio.DeflaterSink

private val EMPTY_DEFLATE_BLOCK = "000000ffff".decodeHex()
private const val LAST_OCTETS_COUNT_TO_REMOVE_AFTER_DEFLATION = 4

class MessageDeflater(
  private val noContextTakeover: Boolean,
) : Closeable {
  private val deflatedBytes = Buffer()

  private val deflater =
    Deflater(