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

    val goldenValue = "Hello deflate!".repeat(100).encodeUtf8()

    val deflated = deflater.deflate(goldenValue)
    assertThat(deflated.size).isLessThan(goldenValue.size)
    val inflated = inflater.inflate(deflated)

    assertThat(inflated).isEqualTo(goldenValue)
  }

  /** Inflates [buffer] in place as described in RFC 7692 section 7.2.2. */
  @Throws(IOException::class)
  fun inflate(buffer: Buffer) {
    require(deflatedBytes.size == 0L)

    if (noContextTakeover) {
      inflater.reset()
    }

    deflatedBytes.writeAll(buffer)
    deflatedBytes.writeInt(OCTETS_TO_ADD_BEFORE_INFLATION)

    val totalBytesToRead = inflater.bytesRead + deflatedBytes.size

    if (readingCompressedMessage) {
      val messageInflater =
        this.messageInflater
          ?: MessageInflater(noContextTakeover).also { this.messageInflater = it }
      messageInflater.inflate(messageFrameBuffer)
    }

    if (opcode == OPCODE_TEXT) {
      frameCallback.onReadMessage(messageFrameBuffer.readUtf8())
    } else {
      frameCallback.onReadMessage(messageFrameBuffer.readByteString())

 * Sec-WebSocket-Extensions: permessage-deflate; client_no_context_takeover
 * Sec-WebSocket-Extensions: permessage-deflate; server_max_window_bits="15"
 * Sec-WebSocket-Extensions: permessage-deflate; server_max_window_bits=15
 * Sec-WebSocket-Extensions: permessage-deflate; server_no_context_takeover
 * Sec-WebSocket-Extensions: permessage-deflate; server_no_context_takeover;
 *     client_no_context_takeover

		var compressedContent []byte
		if f.method == Deflate {
			var buf bytes.Buffer
			w, err := flate.NewWriter(&buf, flate.BestSpeed)
			if err != nil {
				t.Fatalf("flate.NewWriter err = %v", err)
			}
			_, err = w.Write(f.content)
			if err != nil {
				t.Fatalf("flate Write err = %v", err)
			}
			err = w.Close()
			if err != nil {
				t.Fatalf("flate Writer.Close err = %v", err)
			}

	compressors.Store(Deflate, Compressor(func(w io.Writer) (io.WriteCloser, error) { return newFlateWriter(w), nil }))

	decompressors.Store(Store, Decompressor(io.NopCloser))
	decompressors.Store(Deflate, Decompressor(newFlateReader))
}

// RegisterDecompressor allows custom decompressors for a specified method ID.
// The common methods [Store] and [Deflate] are built in.

  }

  @Test
  fun emptyParameters() {
    assertThat(parse("permessage-deflate;"))
      .isEqualTo(WebSocketExtensions(perMessageDeflate = true))
  }

  @Test
  fun repeatedPerMessageDeflate() {
    assertThat(parse("permessage-deflate, permessage-deflate; server_no_context_takeover"))
      .isEqualTo(
        WebSocketExtensions(
          perMessageDeflate = true,
          serverNoContextTakeover = true,

	h := FileHeader{
		Name:   filename,
		Method: Deflate,
		Extra:  []byte(ts.Format(time.RFC3339Nano)), // missing tag and len, but Extra is best-effort parsing
	}
	h.SetModTime(ts)

	testValidHeader(&h, t)
}

func TestHeaderTooShort(t *testing.T) {
	h := FileHeader{
		Name:   "foo.txt",
		Method: Deflate,

        if (truncated) {
          socket.close()
        }
      } else {
        // read a frame
        val inFrame = InFrame(i, reader)
        reader.nextFrame(false, inFrame)
        inFrames.add(inFrame)
      }
    }
  }

  fun openSocket(): Socket = Socket("localhost", port)

  @Synchronized override fun close() {
    executor.shutdown()

    successfulExtensions("permessage-deflate")
  }

  @Test
  @Throws(Exception::class)
  fun compressedMessagesNoClientContextTakeover() {
    successfulExtensions("permessage-deflate; client_no_context_takeover")
  }

  @Test
  @Throws(Exception::class)
  fun compressedMessagesNoServerContextTakeover() {
    successfulExtensions("permessage-deflate; server_no_context_takeover")
  }