}
			defer cleanup()

			mw := &mockTransferWriter{}
			tw := &transferWriter{
				Body:             body,
				ContentLength:    tc.contentLength,
				TransferEncoding: tc.transferEncoding,
			}

			if err := tw.writeBody(mw); err != nil {
				t.Fatal(err)
			}

			if tc.expectedReader != nil {
				if mw.CalledReader == nil {
					t.Fatal("did not call ReadFrom")
				}

		}
		t.Method = valueOrDefault(rr.Method, "GET")
		t.Close = rr.Close
		t.TransferEncoding = rr.TransferEncoding
		t.Header = rr.Header
		t.Trailer = rr.Trailer
		t.Body = rr.Body
		t.BodyCloser = rr.Body
		t.ContentLength = rr.outgoingLength()
		if t.ContentLength < 0 && len(t.TransferEncoding) == 0 && t.shouldSendChunkedRequestBody() {
			t.TransferEncoding = []string{"chunked"}
		}
		// If there's a body, conservatively flush the headers

				ProtoMajor:       1,
				ProtoMinor:       1,
				Request:          dummyReq11("GET"),
				Header:           Header{},
				Body:             io.NopCloser(strings.NewReader("abcdef")),
				ContentLength:    -1,
				TransferEncoding: []string{"chunked"},
				Close:            false,
			},
			"HTTP/1.1 200 OK\r\n" +
				"Transfer-Encoding: chunked\r\n\r\n" +
				"6\r\nabcdef\r\n0\r\n\r\n",
		},

	// be semantically equivalent to a comma-delimited sequence.) When
	// Header values are duplicated by other fields in this struct (e.g.,
	// ContentLength, TransferEncoding, Trailer), the field values are
	// authoritative.
	//
	// Keys in the map are canonicalized (see CanonicalHeaderKey).
	Header Header

	// Body represents the response body.
	//

			ProtoMinor:       1,
			Request:          dummyReq("GET"),
			Header:           Header{},
			Close:            false,
			ContentLength:    -1,
			TransferEncoding: []string{"chunked"},
		},

		"Body here\ncontinued",
	},

	// Trailer header but no TransferEncoding
	{
		"HTTP/1.0 200 OK\r\n" +
			"Trailer: Content-MD5, Content-Sources\r\n" +
			"Content-Length: 10\r\n" +
			"Connection: close\r\n" +

			host = req.URL.Host
		}
		if host != "" {
			fmt.Fprintf(&b, "Host: %s\r\n", host)
		}
	}

	chunked := len(req.TransferEncoding) > 0 && req.TransferEncoding[0] == "chunked"
	if len(req.TransferEncoding) > 0 {
		fmt.Fprintf(&b, "Transfer-Encoding: %s\r\n", strings.Join(req.TransferEncoding, ","))
	}

	err = req.Header.WriteSubset(&b, reqWriteExcludeHeaderDump)
	if err != nil {
		return nil, err
	}

		}

		// Calculate input body size with headers
		reqHeaders := r.Header.Clone()
		reqHeaders.Set("Host", r.Host)
		if len(r.TransferEncoding) == 0 {
			reqHeaders.Set("Content-Length", strconv.Itoa(int(r.ContentLength)))
		} else {
			reqHeaders.Set("Transfer-Encoding", strings.Join(r.TransferEncoding, ","))
		}
		inputBytes := reqRecorder.Size()
		for k, v := range reqHeaders {
			inputBytes += len(k) + len(v)
		}

			"3\r\nfoo\r\n" +
			"3\r\nbar\r\n" +
			"0\r\n" +
			"Trailer-Key: Trailer-Value\r\n" +
			"\r\n",
		&Request{
			Method: "POST",
			URL: &url.URL{
				Path: "/",
			},
			TransferEncoding: []string{"chunked"},
			Proto:            "HTTP/1.1",
			ProtoMajor:       1,
			ProtoMinor:       1,
			Header:           Header{},
			ContentLength:    -1,
			Host:             "foo.com",

					break
				}
			}
		}
		if !found {
			ret = append(ret, e)
		}
	}
	return
}

func (h *Handler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
	if len(req.TransferEncoding) > 0 && req.TransferEncoding[0] == "chunked" {
		rw.WriteHeader(http.StatusBadRequest)
		rw.Write([]byte("Chunked request bodies are not supported by CGI."))
		return
	}

	root := strings.TrimRight(h.Root, "/")

	req.TransferEncoding[0] = "encoding2"

	if req.TransferEncoding[0] != "encoding2" {
		t.Error("expected req.TransferEncoding to be changed")
	}
	if clonedReq.TransferEncoding[0] != "encoding1" {
		t.Error("expected clonedReq.TransferEncoding to be unchanged")
	}
}

// Ensure that Request.Clone works correctly with PathValue.
// See issue 64911.
func TestRequestClonePathValue(t *testing.T) {