Raw  string
}

func TestResponseWrite(t *testing.T) {
	respWriteTests := []respWriteTest{
		// HTTP/1.0, identity coding; no trailer
		{
			Response{
				StatusCode:    503,
				ProtoMajor:    1,
				ProtoMinor:    0,
				Request:       dummyReq("GET"),
				Header:        Header{},
				Body:          io.NopCloser(strings.NewReader("abcdef")),
				ContentLength: 6,
			},

			"HTTP/1.0 503 Service Unavailable\r\n" +

	want := &http.Request{
		Method:     "GET",
		Host:       "example.com",
		URL:        &url.URL{Path: "/"},
		Header:     http.Header{},
		Proto:      "HTTP/1.1",
		ProtoMajor: 1,
		ProtoMinor: 1,
		RemoteAddr: "192.0.2.1:1234",
		RequestURI: "/",
	}
	got.Body = nil // before DeepEqual
	want = want.WithContext(context.Background())
	if !reflect.DeepEqual(got, want) {

	}
	line = strings.TrimSpace(line)
	path := strings.TrimPrefix(line, "GET ")
	if path == line {
		return
	}
	req, _ := NewRequest("GET", path, nil)
	req.Proto = "HTTP/0.9"
	req.ProtoMajor = 0
	req.ProtoMinor = 9
	rw := &http09Writer{conn, make(Header)}
	h.ServeHTTP(rw, req)
}

type http09Writer struct {
	io.Writer
	h Header
}

func (w http09Writer) Header() Header  { return w.h }

	if err != nil {
		panic("invalid NewRequest arguments; " + err.Error())
	}
	req = req.WithContext(ctx)

	// HTTP/1.0 was used above to avoid needing a Host field. Change it to 1.1 here.
	req.Proto = "HTTP/1.1"
	req.ProtoMinor = 1
	req.Close = false

	if body != nil {
		switch v := body.(type) {
		case *bytes.Buffer:
			req.ContentLength = int64(v.Len())
		case *bytes.Reader:
			req.ContentLength = int64(v.Len())

	// Do not pass client Host header unless requested.
	if !f.PassHost {
		outReq.Host = target.Host
	}

	// TODO: only supports HTTP 1.1 for now.
	outReq.Proto = "HTTP/1.1"
	outReq.ProtoMajor = 1
	outReq.ProtoMinor = 1

	f.rewriter.Rewrite(outReq)

	// Disable closeNotify when method GET for http pipelining
	if outReq.Method == http.MethodGet {
		quietReq := outReq.WithContext(context.Background())
		*outReq = *quietReq

	r.Method = params["REQUEST_METHOD"]
	if r.Method == "" {
		return nil, errors.New("cgi: no REQUEST_METHOD in environment")
	}

	r.Proto = params["SERVER_PROTOCOL"]
	var ok bool
	r.ProtoMajor, r.ProtoMinor, ok = http.ParseHTTPVersion(r.Proto)
	if !ok {
		return nil, errors.New("cgi: invalid SERVER_PROTOCOL version")
	}

	r.Close = true
	r.Trailer = http.Header{}
	r.Header = http.Header{}

	if rw.result != nil {
		return rw.result
	}
	if rw.snapHeader == nil {
		rw.snapHeader = rw.HeaderMap.Clone()
	}
	res := &http.Response{
		Proto:      "HTTP/1.1",
		ProtoMajor: 1,
		ProtoMinor: 1,
		StatusCode: rw.Code,
		Header:     rw.snapHeader,
	}
	rw.result = res
	if res.StatusCode == 0 {
		res.StatusCode = 200
	}

		},
		{
			hdr:     Header{"Transfer-Encoding": {"chunked"}},
			wantErr: nil,
		},
	}

	for i, tt := range tests {
		tr := &transferReader{
			Header:     tt.hdr,
			ProtoMajor: 1,
			ProtoMinor: 1,
		}
		gotErr := tr.parseTransferEncoding()
		if !reflect.DeepEqual(gotErr, tt.wantErr) {
			t.Errorf("%d.\ngot error:\n%v\nwant error:\n%v\n\n", i, gotErr, tt.wantErr)
		}
	}
}

	reqURI := req.RequestURI
	if reqURI == "" {
		reqURI = req.URL.RequestURI()
	}

	fmt.Fprintf(&b, "%s %s HTTP/%d.%d\r\n", valueOrDefault(req.Method, "GET"),
		reqURI, req.ProtoMajor, req.ProtoMinor)

	absRequestURI := strings.HasPrefix(req.RequestURI, "http://") || strings.HasPrefix(req.RequestURI, "https://")
	if !absRequestURI {
		host := req.Host
		if host == "" && req.URL != nil {
			host = req.URL.Host