this.client = client
    writer = Http2Writer(bytesOut, client)
  }

  fun acceptFrame() {
    frameCount++
  }

  /** Maximum length of an outbound data frame.  */
  fun maxOutboundDataLength(): Int = writer.maxDataLength()

  /** Count of frames sent or received.  */
  fun frameCount(): Int = frameCount

  fun sendFrame(): Http2Writer {
    outFrames.add(OutFrame(frameCount++, bytesOut.size, false))

    assertThat(peer.takeFrame().type).isEqualTo(Http2.TYPE_DATA)
    assertThat(peer.frameCount()).isEqualTo(5)
  }

  @Test fun maxFrameSizeHonored() {
    val buff = ByteArray(peer.maxOutboundDataLength() + 1)
    buff.fill('*'.code.toByte())

    // Write the mocking script.
    peer.sendFrame().settings(Settings())
    peer.acceptFrame() // ACK
    peer.acceptFrame() // SYN_STREAM