level = 6
		fallthrough
	case 2 <= level && level <= 9:
		d.compressionLevel = levels[level]
		d.initDeflate()
		d.fill = (*compressor).fillDeflate
		d.step = (*compressor).deflate
	default:
		return fmt.Errorf("flate: invalid compression level %d: want value in range [-2, 9]", level)
	}
	return nil
}

func (d *compressor) reset(w io.Writer) {
	d.w.reset(w)
	d.sync = false
	d.err = nil

    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")
  }

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Package flate implements the DEFLATE compressed data format, described in
// RFC 1951.  The gzip and zlib packages implement access to DEFLATE-based file
// formats.
package flate

import (
	"bufio"
	"io"
	"math/bits"
	"strconv"
	"sync"
)

const (
	maxCodeLen = 16 // max length of Huffman code

	// according to the C zlib library, you can use the Python wrapper library:
	// >>> hex_string = "010100feff11"
	// >>> import zlib
	// >>> zlib.decompress(hex_string.decode("hex"), -15) # Negative means raw DEFLATE
	// '\x11'

	testCases := []struct {
		desc   string // Description of the stream
		stream string // Hexstring of the input DEFLATE stream

		},

		{
			name:               "ignore compression on deflate",
			compressionEnabled: true,
			out:                largePayload,
			mediaType:          "application/json",
			req: &http.Request{
				Header: http.Header{
					"Accept-Encoding": []string{"deflate"},
				},
				URL: &url.URL{Path: "/path"},
			},
			wantCode: http.StatusOK,

			"Host: www.techcrunch.com\r\n" +
			"User-Agent: Fake\r\n" +
			"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n" +
			"Accept-Language: en-us,en;q=0.5\r\n" +
			"Accept-Encoding: gzip,deflate\r\n" +
			"Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\r\n" +
			"Keep-Alive: 300\r\n" +
			"Content-Length: 7\r\n" +
			"Proxy-Connection: keep-alive\r\n\r\n" +
			"abcdef\n???",

		&Request{
			Method: "GET",

		}
	}()

	zw := zip.NewWriter(out)
	zw.RegisterCompressor(zip.Deflate, func(out io.Writer) (io.WriteCloser, error) {
		return flate.NewWriter(out, flate.BestCompression)
	})
	for _, f = range a.Files {
		h := check(zip.FileInfoHeader(f.Info()))
		h.Name = f.Name
		h.Method = zip.Deflate
		w := check(zw.CreateHeader(h))
		r := check(os.Open(f.Src))
		check(io.Copy(w, r))

    client.listener.assertTextMessage(message)
  }

  @Test
  fun messagesCompressedWhenConfigured() {
    val headers = headersOf("Sec-WebSocket-Extensions", "permessage-deflate")
    client.initWebSocket(random, responseHeaders = headers)
    server.initWebSocket(random, responseHeaders = headers)
    val message = repeat('a', RealWebSocket.DEFAULT_MINIMUM_DEFLATE_SIZE.toInt())

			ProtoMinor: 1,
			Header: Header{
				"Accept":           {"text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"},
				"Accept-Charset":   {"ISO-8859-1,utf-8;q=0.7,*;q=0.7"},
				"Accept-Encoding":  {"gzip,deflate"},
				"Accept-Language":  {"en-us,en;q=0.5"},
				"Keep-Alive":       {"300"},
				"Proxy-Connection": {"keep-alive"},
				"User-Agent":       {"Fake"},
			},
			Body:  nil,
			Close: false,

			}
			mm++
			if mm == 10 {
				t.Fatal("Stopping")
			}
		}
	}
	t.Logf("got %d bytes", len(out1))
}

// TestBestSpeed tests that round-tripping through deflate and then inflate
// recovers the original input. The Write sizes are near the thresholds in the
// compressor.encSpeed method (0, 16, 128), as well as near maxStoreBlockSize
// (65535).
func TestBestSpeed(t *testing.T) {