}
}

func TestWriterReset(t *testing.T) {
	buf := new(bytes.Buffer)
	buf2 := new(bytes.Buffer)
	z := NewWriter(buf)
	msg := []byte("hello world")
	z.Write(msg)
	z.Close()
	z.Reset(buf2)
	z.Write(msg)
	z.Close()
	if buf.String() != buf2.String() {
		t.Errorf("buf2 %q != original buf of %q", buf2.String(), buf.String())
	}
}

type limitedWriter struct {
	N int
}

	buf1 := bufferPoolCopy.Get().([]byte)
	// nolint: staticcheck
	defer bufferPoolCopy.Put(buf1)
	bufCap := cap(buf1)
	buf := buf1[0:bufCap:bufCap]

	// For netstack: src is a gonet.Conn, doesn't implement WriterTo. Dst is a net.TcpConn - and implements ReadFrom.
	// CopyBuffered is the actual implementation of Copy and CopyBuffer.
	// if buf is nil, one is allocated.
	// Duplicated from io

type dirInfo struct {
	mu sync.Mutex
	// buf is a slice pointer so the slice header
	// does not escape to the heap when returning
	// buf to dirBufPool.
	buf   *[]byte // buffer for directory I/O
	bufp  int     // location of next record in buf
	h     syscall.Handle
	vol   uint32
	class uint32 // type of entries in buf

John Howard <******@****.***> 1646536079 -0800

func BenchmarkDecoder(b *testing.B) {
	buf, err := os.ReadFile("../testdata/e.txt")
	if err != nil {
		b.Fatal(err)
	}
	if len(buf) == 0 {
		b.Fatalf("test file has no data")
	}

	getInputBuf := func(buf []byte, n int) []byte {
		compressed := new(bytes.Buffer)
		w := NewWriter(compressed, LSB, 8)
		for i := 0; i < n; i += len(buf) {
			if len(buf) > n-i {
				buf = buf[:n-i]
			}
			w.Write(buf)
		}

	SizeofBpfZbufHeader = 0x20
)

type BpfVersion struct {
	Major uint16
	Minor uint16
}

type BpfStat struct {
	Recv uint32
	Drop uint32
}

type BpfZbuf struct {
	Bufa   *byte
	Bufb   *byte
	Buflen uint64
}

type BpfProgram struct {
	Len   uint32
	Insns *BpfInsn
}

type BpfInsn struct {
	Code uint16
	Jt   uint8
	Jf   uint8
	K    uint32
}

		}
	}
	for bufSize := len(id); bufSize <= len(buf); bufSize++ {
		for j := range buf {
			for k := 0; k < 2*len(id) && j+k < len(buf); k++ {
				for i := range buf {
					buf[i] = 1
				}
				copy(buf[j:], id)
				copy(buf[j+k:], id)
				var m []int64
				if j+len(id) <= j+k {
					m = append(m, int64(j))
				}
				if j+k+len(id) <= len(buf) {
					m = append(m, int64(j+k))
				}

      byte[] buf = new byte[min(bufSize, MAX_ARRAY_LEN - totalLen)];
      bufs.add(buf);
      int off = 0;
      while (off < buf.length) {
        // always OK to fill buf; its size plus the rest of bufs is never more than MAX_ARRAY_LEN
        int r = in.read(buf, off, buf.length - off);
        if (r == -1) {
          return combineBuffers(bufs, totalLen);
        }
        off += r;

		t.Errorf("%s (level=%d): %v", fn, level, err)
		return
	}
	out := buf.String()

	// Reset and compress again.
	buf2 := new(bytes.Buffer)
	zlibw.Reset(buf2)
	_, err = zlibw.Write(b0)
	if err == nil {
		err = zlibw.Close()
	}
	if err != nil {
		t.Errorf("%s (level=%d): %v", fn, level, err)
		return
	}
	out2 := buf2.String()

	if out2 != out {

	w.Header().Add(httpstream.HeaderUpgrade, HeaderSpdy31)
	w.WriteHeader(http.StatusSwitchingProtocols)

	conn, bufrw, err := hijacker.Hijack()
	if err != nil {
		runtime.HandleError(fmt.Errorf("unable to upgrade: error hijacking response: %v", err))
		return nil
	}

	connWithBuf := &connWrapper{Conn: conn, bufReader: bufrw.Reader}
	spdyConn, err := NewServerConnectionWithPings(connWithBuf, newStreamHandler, u.pingPeriod)
	if err != nil {