func TestMaxBytesReaderStickyError(t *testing.T) {
	isSticky := func(r io.Reader) error {
		var log bytes.Buffer
		buf := make([]byte, 1000)
		var firstErr error
		for {
			n, err := r.Read(buf)
			fmt.Fprintf(&log, "Read(%d) = %d, %v\n", len(buf), n, err)
			if err == nil {
				continue
			}
			if firstErr == nil {
				firstErr = err
				continue
			}
			if !reflect.DeepEqual(err, firstErr) {
				return fmt.Errorf("non-sticky error. got log:\n%s", log.Bytes())
			}
			t.Logf("Got log: %s", log.Bytes())
			return nil
		}
	}
	tests := [...]struct {
		readable int
		limit    int64
	}{
		0: {99, 100},
		1: {100, 100},
		2: {101, 100},
	}
	for i, tt := range tests {
		rc := MaxBytesReader(nil, ioutil.NopCloser(bytes.NewReader(make([]byte, tt.readable))), tt.limit)
		if err := isSticky(rc); err != nil {
			t.Errorf("%d. error: %v", i, err)
		}
	}
}
Issue 14981: MaxBytesReader's return error wasn't sticky. It
doesn't technically need to be, but people expected it to be.
package http_test
import (
	"bufio"
	"bytes"
	"context"
	"encoding/base64"
	"fmt"
	"io"
	"io/ioutil"
	"mime/multipart"
	. "net/http"
	"net/url"
	"os"
	"reflect"
	"regexp"
	"strings"
	"testing"
)
func TestQuery(t *testing.T) {
	req := &Request{Method: "GET"}
	req.URL, _ = url.Parse("http://www.google.com/search?q=foo&q=bar")
	if q := req.FormValue("q"); q != "foo" {
		t.Errorf(`req.FormValue("q") = %q, want "foo"`, q)
	}
}
func TestParseFormQuery(t *testing.T) {
	req, _ := NewRequest("POST", "http://www.google.com/search?q=foo&q=bar&both=x&prio=1&orphan=nope&empty=not",
		strings.NewReader("z=post&both=y&prio=2&=nokey&orphan;empty=&"))
	req.Header.Set("Content-Type", "application/x-www-form-urlencoded; param=value")
	if q := req.FormValue("q"); q != "foo" {
		t.Errorf(`req.FormValue("q") = %q, want "foo"`, q)
	}
	if z := req.FormValue("z"); z != "post" {
		t.Errorf(`req.FormValue("z") = %q, want "post"`, z)
	}
	if bq, found := req.PostForm["q"]; found {
		t.Errorf(`req.PostForm["q"] = %q, want no entry in map`, bq)
	}
	if bz := req.PostFormValue("z"); bz != "post" {
		t.Errorf(`req.PostFormValue("z") = %q, want "post"`, bz)
	}
	if qs := req.Form["q"]; !reflect.DeepEqual(qs, []string{"foo", "bar"}) {
		t.Errorf(`req.Form["q"] = %q, want ["foo", "bar"]`, qs)
	}
	if both := req.Form["both"]; !reflect.DeepEqual(both, []string{"y", "x"}) {
		t.Errorf(`req.Form["both"] = %q, want ["y", "x"]`, both)
	}
	if prio := req.FormValue("prio"); prio != "2" {
		t.Errorf(`req.FormValue("prio") = %q, want "2" (from body)`, prio)
	}
	if orphan := req.Form["orphan"]; !reflect.DeepEqual(orphan, []string{"", "nope"}) {
		t.Errorf(`req.FormValue("orphan") = %q, want "" (from body)`, orphan)
	}
	if empty := req.Form["empty"]; !reflect.DeepEqual(empty, []string{"", "not"}) {
		t.Errorf(`req.FormValue("empty") = %q, want "" (from body)`, empty)
	}
	if nokey := req.Form[""]; !reflect.DeepEqual(nokey, []string{"nokey"}) {
		t.Errorf(`req.FormValue("nokey") = %q, want "nokey" (from body)`, nokey)
	}
}
func TestParseFormQueryMethods(t *testing.T) {
	for _, method := range []string{"POST", "PATCH", "PUT", "FOO"} {
		req, _ := NewRequest(method, "http://www.google.com/search",
			strings.NewReader("foo=bar"))
		req.Header.Set("Content-Type", "application/x-www-form-urlencoded; param=value")
		want := "bar"
		if method == "FOO" {
			want = ""
		}
		if got := req.FormValue("foo"); got != want {
			t.Errorf(`for method %s, FormValue("foo") = %q; want %q`, method, got, want)
		}
	}
}
type stringMap map[string][]string
type parseContentTypeTest struct {
	shouldError bool
	contentType stringMap
}
var parseContentTypeTests = []parseContentTypeTest{
	{false, stringMap{"Content-Type": {"text/plain"}}},
	{false, stringMap{}},
	{true, stringMap{"Content-Type": {"text/plain; boundary="}}},
	{false, stringMap{"Content-Type": {"application/unknown"}}},
}
func TestParseFormUnknownContentType(t *testing.T) {
	for i, test := range parseContentTypeTests {
		req := &Request{
			Method: "POST",
			Header: Header(test.contentType),
			Body:   ioutil.NopCloser(strings.NewReader("body")),
		}
		err := req.ParseForm()
		switch {
		case err == nil && test.shouldError:
			t.Errorf("test %d should have returned error", i)
		case err != nil && !test.shouldError:
			t.Errorf("test %d should not have returned error, got %v", i, err)
		}
	}
}
func TestParseFormInitializeOnError(t *testing.T) {
	nilBody, _ := NewRequest("POST", "http://www.google.com/search?q=foo", nil)
	tests := []*Request{
		nilBody,
		{Method: "GET", URL: nil},
	}
	for i, req := range tests {
		err := req.ParseForm()
		if req.Form == nil {
			t.Errorf("%d. Form not initialized, error %v", i, err)
		}
		if req.PostForm == nil {
			t.Errorf("%d. PostForm not initialized, error %v", i, err)
		}
	}
}
func TestMultipartReader(t *testing.T) {
	req := &Request{
		Method: "POST",
		Header: Header{"Content-Type": {`multipart/form-data; boundary="foo123"`}},
		Body:   ioutil.NopCloser(new(bytes.Buffer)),
	}
	multipart, err := req.MultipartReader()
	if multipart == nil {
		t.Errorf("expected multipart; error: %v", err)
	}
	req = &Request{
		Method: "POST",
		Header: Header{"Content-Type": {`multipart/mixed; boundary="foo123"`}},
		Body:   ioutil.NopCloser(new(bytes.Buffer)),
	}
	multipart, err = req.MultipartReader()
	if multipart == nil {
		t.Errorf("expected multipart; error: %v", err)
	}
	req.Header = Header{"Content-Type": {"text/plain"}}
	multipart, err = req.MultipartReader()
	if multipart != nil {
		t.Error("unexpected multipart for text/plain")
	}
}
func TestParseMultipartFormPopulatesPostForm(t *testing.T) {
	postData :=
		`--xxx
Content-Disposition: form-data; name="field1"
value1
--xxx
Content-Disposition: form-data; name="field2"
value2
--xxx
Content-Disposition: form-data; name="file"; filename="file"
Content-Type: application/octet-stream
Content-Transfer-Encoding: binary
binary data
--xxx--
`
	req := &Request{
		Method: "POST",
		Header: Header{"Content-Type": {`multipart/form-data; boundary=xxx`}},
		Body:   ioutil.NopCloser(strings.NewReader(postData)),
	}
	initialFormItems := map[string]string{
		"language": "Go",
		"name":     "gopher",
		"skill":    "go-ing",
		"field2":   "initial-value2",
	}
	req.Form = make(url.Values)
	for k, v := range initialFormItems {
		req.Form.Add(k, v)
	}
	err := req.ParseMultipartForm(10000)
	if err != nil {
		t.Fatalf("unexpected multipart error %v", err)
	}
	wantForm := url.Values{
		"language": []string{"Go"},
		"name":     []string{"gopher"},
		"skill":    []string{"go-ing"},
		"field1":   []string{"value1"},
		"field2":   []string{"initial-value2", "value2"},
	}
	if !reflect.DeepEqual(req.Form, wantForm) {
		t.Fatalf("req.Form = %v, want %v", req.Form, wantForm)
	}
	wantPostForm := url.Values{
		"field1": []string{"value1"},
		"field2": []string{"value2"},
	}
	if !reflect.DeepEqual(req.PostForm, wantPostForm) {
		t.Fatalf("req.PostForm = %v, want %v", req.PostForm, wantPostForm)
	}
}
func TestParseMultipartForm(t *testing.T) {
	req := &Request{
		Method: "POST",
		Header: Header{"Content-Type": {`multipart/form-data; boundary="foo123"`}},
		Body:   ioutil.NopCloser(new(bytes.Buffer)),
	}
	err := req.ParseMultipartForm(25)
	if err == nil {
		t.Error("expected multipart EOF, got nil")
	}
	req.Header = Header{"Content-Type": {"text/plain"}}
	err = req.ParseMultipartForm(25)
	if err != ErrNotMultipart {
		t.Error("expected ErrNotMultipart for text/plain")
	}
}
func TestRedirect_h1(t *testing.T) { testRedirect(t, h1Mode) }
func TestRedirect_h2(t *testing.T) { testRedirect(t, h2Mode) }
func testRedirect(t *testing.T, h2 bool) {
	defer afterTest(t)
	cst := newClientServerTest(t, h2, HandlerFunc(func(w ResponseWriter, r *Request) {
		switch r.URL.Path {
		case "/":
			w.Header().Set("Location", "/foo/")
			w.WriteHeader(StatusSeeOther)
		case "/foo/":
			fmt.Fprintf(w, "foo")
		default:
			w.WriteHeader(StatusBadRequest)
		}
	}))
	defer cst.close()
	var end = regexp.MustCompile("/foo/$")
	r, err := cst.c.Get(cst.ts.URL)
	if err != nil {
		t.Fatal(err)
	}
	r.Body.Close()
	url := r.Request.URL.String()
	if r.StatusCode != 200 || !end.MatchString(url) {
		t.Fatalf("Get got status %d at %q, want 200 matching /foo/$", r.StatusCode, url)
	}
}
func TestSetBasicAuth(t *testing.T) {
	r, _ := NewRequest("GET", "http://example.com/", nil)
	r.SetBasicAuth("Aladdin", "open sesame")
	if g, e := r.Header.Get("Authorization"), "Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ=="; g != e {
		t.Errorf("got header %q, want %q", g, e)
	}
}
func TestMultipartRequest(t *testing.T) {
	req := newTestMultipartRequest(t)
	if err := req.ParseMultipartForm(25); err != nil {
		t.Fatal("ParseMultipartForm first call:", err)
	}
	defer req.MultipartForm.RemoveAll()
	validateTestMultipartContents(t, req, false)
	if err := req.ParseMultipartForm(25); err != nil {
		t.Fatal("ParseMultipartForm second call:", err)
	}
	validateTestMultipartContents(t, req, false)
}
func TestMultipartRequestAuto(t *testing.T) {
	req := newTestMultipartRequest(t)
	defer func() {
		if req.MultipartForm != nil {
			req.MultipartForm.RemoveAll()
		}
	}()
	validateTestMultipartContents(t, req, true)
}
func TestMissingFileMultipartRequest(t *testing.T) {
	req := newTestMultipartRequest(t)
	testMissingFile(t, req)
}
func TestFormValueCallsParseMultipartForm(t *testing.T) {
	req, _ := NewRequest("POST", "http://www.google.com/", strings.NewReader("z=post"))
	req.Header.Set("Content-Type", "application/x-www-form-urlencoded; param=value")
	if req.Form != nil {
		t.Fatal("Unexpected request Form, want nil")
	}
	req.FormValue("z")
	if req.Form == nil {
		t.Fatal("ParseMultipartForm not called by FormValue")
	}
}
func TestFormFileCallsParseMultipartForm(t *testing.T) {
	req := newTestMultipartRequest(t)
	if req.Form != nil {
		t.Fatal("Unexpected request Form, want nil")
	}
	req.FormFile("")
	if req.Form == nil {
		t.Fatal("ParseMultipartForm not called by FormFile")
	}
}
func TestParseMultipartFormOrder(t *testing.T) {
	req := newTestMultipartRequest(t)
	if _, err := req.MultipartReader(); err != nil {
		t.Fatalf("MultipartReader: %v", err)
	}
	if err := req.ParseMultipartForm(1024); err == nil {
		t.Fatal("expected an error from ParseMultipartForm after call to MultipartReader")
	}
}
func TestMultipartReaderOrder(t *testing.T) {
	req := newTestMultipartRequest(t)
	if err := req.ParseMultipartForm(25); err != nil {
		t.Fatalf("ParseMultipartForm: %v", err)
	}
	defer req.MultipartForm.RemoveAll()
	if _, err := req.MultipartReader(); err == nil {
		t.Fatal("expected an error from MultipartReader after call to ParseMultipartForm")
	}
}
func TestFormFileOrder(t *testing.T) {
	req := newTestMultipartRequest(t)
	if _, err := req.MultipartReader(); err != nil {
		t.Fatalf("MultipartReader: %v", err)
	}
	if _, _, err := req.FormFile(""); err == nil {
		t.Fatal("expected an error from FormFile after call to MultipartReader")
	}
}
var readRequestErrorTests = []struct {
	in  string
	err string
	header Header
}{
	0: {"GET / HTTP/1.1\r\nheader:foo\r\n\r\n", "", Header{"Header": {"foo"}}},
	1: {"GET / HTTP/1.1\r\nheader:foo\r\n", io.ErrUnexpectedEOF.Error(), nil},
	2: {"", io.EOF.Error(), nil},
	3: {
		in:  "HEAD / HTTP/1.1\r\nContent-Length:4\r\n\r\n",
		err: "http: method cannot contain a Content-Length",
	},
	4: {
		in:     "HEAD / HTTP/1.1\r\n\r\n",
		header: Header{},
	},
	5: {
		in:  "POST / HTTP/1.1\r\nContent-Length: 10\r\nContent-Length: 0\r\n\r\nGopher hey\r\n",
		err: "cannot contain multiple Content-Length headers",
	},
	6: {
		in:  "POST / HTTP/1.1\r\nContent-Length: 10\r\nContent-Length: 6\r\n\r\nGopher\r\n",
		err: "cannot contain multiple Content-Length headers",
	},
	7: {
		in:     "PUT / HTTP/1.1\r\nContent-Length: 6 \r\nContent-Length: 6\r\nContent-Length:6\r\n\r\nGopher\r\n",
		err:    "",
		header: Header{"Content-Length": {"6"}},
	},
	8: {
		in:  "PUT / HTTP/1.1\r\nContent-Length: 1\r\nContent-Length: 6 \r\n\r\n",
		err: "cannot contain multiple Content-Length headers",
	},
	9: {
		in:  "POST / HTTP/1.1\r\nContent-Length:\r\nContent-Length: 3\r\n\r\n",
		err: "cannot contain multiple Content-Length headers",
	},
	10: {
		in:     "HEAD / HTTP/1.1\r\nContent-Length:0\r\nContent-Length: 0\r\n\r\n",
		header: Header{"Content-Length": {"0"}},
	},
}
func TestReadRequestErrors(t *testing.T) {
	for i, tt := range readRequestErrorTests {
		req, err := ReadRequest(bufio.NewReader(strings.NewReader(tt.in)))
		if err == nil {
			if tt.err != "" {
				t.Errorf("#%d: got nil err; want %q", i, tt.err)
			}
			if !reflect.DeepEqual(tt.header, req.Header) {
				t.Errorf("#%d: gotHeader: %q wantHeader: %q", i, req.Header, tt.header)
			}
			continue
		}
		if tt.err == "" || !strings.Contains(err.Error(), tt.err) {
			t.Errorf("%d: got error = %v; want %v", i, err, tt.err)
		}
	}
}
var newRequestHostTests = []struct {
	in, out string
}{
	{"http://www.example.com/", "www.example.com"},
	{"http://www.example.com:8080/", "www.example.com:8080"},
	{"http://192.168.0.1/", "192.168.0.1"},
	{"http://192.168.0.1:8080/", "192.168.0.1:8080"},
	{"http://192.168.0.1:/", "192.168.0.1"},
	{"http://[fe80::1]/", "[fe80::1]"},
	{"http://[fe80::1]:8080/", "[fe80::1]:8080"},
	{"http://[fe80::1%25en0]/", "[fe80::1%en0]"},
	{"http://[fe80::1%25en0]:8080/", "[fe80::1%en0]:8080"},
	{"http://[fe80::1%25en0]:/", "[fe80::1%en0]"},
}
func TestNewRequestHost(t *testing.T) {
	for i, tt := range newRequestHostTests {
		req, err := NewRequest("GET", tt.in, nil)
		if err != nil {
			t.Errorf("#%v: %v", i, err)
			continue
		}
		if req.Host != tt.out {
			t.Errorf("got %q; want %q", req.Host, tt.out)
		}
	}
}
func TestRequestInvalidMethod(t *testing.T) {
	_, err := NewRequest("bad method", "http://foo.com/", nil)
	if err == nil {
		t.Error("expected error from NewRequest with invalid method")
	}
	req, err := NewRequest("GET", "http://foo.example/", nil)
	if err != nil {
		t.Fatal(err)
	}
	req.Method = "bad method"
	_, err = DefaultClient.Do(req)
	if err == nil || !strings.Contains(err.Error(), "invalid method") {
		t.Errorf("Transport error = %v; want invalid method", err)
	}
	req, err = NewRequest("", "http://foo.com/", nil)
	if err != nil {
		t.Errorf("NewRequest(empty method) = %v; want nil", err)
	} else if req.Method != "GET" {
		t.Errorf("NewRequest(empty method) has method %q; want GET", req.Method)
	}
}
func TestNewRequestContentLength(t *testing.T) {
	readByte := func(r io.Reader) io.Reader {
		var b [1]byte
		r.Read(b[:])
		return r
	}
	tests := []struct {
		r    io.Reader
		want int64
	}{
		{bytes.NewReader([]byte("123")), 3},
		{bytes.NewBuffer([]byte("1234")), 4},
		{strings.NewReader("12345"), 5},
		{strings.NewReader(""), 0},
		{NoBody, 0},
		{struct{ io.Reader }{strings.NewReader("xyz")}, 0},
		{io.NewSectionReader(strings.NewReader("x"), 0, 6), 0},
		{readByte(io.NewSectionReader(strings.NewReader("xy"), 0, 6)), 0},
	}
	for i, tt := range tests {
		req, err := NewRequest("POST", "http://localhost/", tt.r)
		if err != nil {
			t.Fatal(err)
		}
		if req.ContentLength != tt.want {
			t.Errorf("test[%d]: ContentLength(%T) = %d; want %d", i, tt.r, req.ContentLength, tt.want)
		}
	}
}
var parseHTTPVersionTests = []struct {
	vers         string
	major, minor int
	ok           bool
}{
	{"HTTP/0.9", 0, 9, true},
	{"HTTP/1.0", 1, 0, true},
	{"HTTP/1.1", 1, 1, true},
	{"HTTP/3.14", 3, 14, true},
	{"HTTP", 0, 0, false},
	{"HTTP/one.one", 0, 0, false},
	{"HTTP/1.1/", 0, 0, false},
	{"HTTP/-1,0", 0, 0, false},
	{"HTTP/0,-1", 0, 0, false},
	{"HTTP/", 0, 0, false},
	{"HTTP/1,1", 0, 0, false},
}
func TestParseHTTPVersion(t *testing.T) {
	for _, tt := range parseHTTPVersionTests {
		major, minor, ok := ParseHTTPVersion(tt.vers)
		if ok != tt.ok || major != tt.major || minor != tt.minor {
			type version struct {
				major, minor int
				ok           bool
			}
			t.Errorf("failed to parse %q, expected: %#v, got %#v", tt.vers, version{tt.major, tt.minor, tt.ok}, version{major, minor, ok})
		}
	}
}
type getBasicAuthTest struct {
	username, password string
	ok                 bool
}
type basicAuthCredentialsTest struct {
	username, password string
}
var getBasicAuthTests = []struct {
	username, password string
	ok                 bool
}{
	{"Aladdin", "open sesame", true},
	{"Aladdin", "open:sesame", true},
	{"", "", true},
}
func TestGetBasicAuth(t *testing.T) {
	for _, tt := range getBasicAuthTests {
		r, _ := NewRequest("GET", "http://example.com/", nil)
		r.SetBasicAuth(tt.username, tt.password)
		username, password, ok := r.BasicAuth()
		if ok != tt.ok || username != tt.username || password != tt.password {
			t.Errorf("BasicAuth() = %#v, want %#v", getBasicAuthTest{username, password, ok},
				getBasicAuthTest{tt.username, tt.password, tt.ok})
		}
	}
	r, _ := NewRequest("GET", "http://example.com/", nil)
	username, password, ok := r.BasicAuth()
	if ok {
		t.Errorf("expected false from BasicAuth when the request is unauthenticated")
	}
	want := basicAuthCredentialsTest{"", ""}
	if username != want.username || password != want.password {
		t.Errorf("expected credentials: %#v when the request is unauthenticated, got %#v",
			want, basicAuthCredentialsTest{username, password})
	}
}
var parseBasicAuthTests = []struct {
	header, username, password string
	ok                         bool
}{
	{"Basic " + base64.StdEncoding.EncodeToString([]byte("Aladdin:open sesame")), "Aladdin", "open sesame", true},
	{"BASIC " + base64.StdEncoding.EncodeToString([]byte("Aladdin:open sesame")), "Aladdin", "open sesame", true},
	{"basic " + base64.StdEncoding.EncodeToString([]byte("Aladdin:open sesame")), "Aladdin", "open sesame", true},
	{"Basic " + base64.StdEncoding.EncodeToString([]byte("Aladdin:open:sesame")), "Aladdin", "open:sesame", true},
	{"Basic " + base64.StdEncoding.EncodeToString([]byte(":")), "", "", true},
	{"Basic" + base64.StdEncoding.EncodeToString([]byte("Aladdin:open sesame")), "", "", false},
	{base64.StdEncoding.EncodeToString([]byte("Aladdin:open sesame")), "", "", false},
	{"Basic ", "", "", false},
	{"Basic Aladdin:open sesame", "", "", false},
	{`Digest username="Aladdin"`, "", "", false},
}
func TestParseBasicAuth(t *testing.T) {
	for _, tt := range parseBasicAuthTests {
		r, _ := NewRequest("GET", "http://example.com/", nil)
		r.Header.Set("Authorization", tt.header)
		username, password, ok := r.BasicAuth()
		if ok != tt.ok || username != tt.username || password != tt.password {
			t.Errorf("BasicAuth() = %#v, want %#v", getBasicAuthTest{username, password, ok},
				getBasicAuthTest{tt.username, tt.password, tt.ok})
		}
	}
}
type logWrites struct {
	t   *testing.T
	dst *[]string
}
func (l logWrites) WriteByte(c byte) error {
	l.t.Fatalf("unexpected WriteByte call")
	return nil
}
func (l logWrites) Write(p []byte) (n int, err error) {
	*l.dst = append(*l.dst, string(p))
	return len(p), nil
}
func TestRequestWriteBufferedWriter(t *testing.T) {
	got := []string{}
	req, _ := NewRequest("GET", "http://foo.com/", nil)
	req.Write(logWrites{t, &got})
	want := []string{
		"GET / HTTP/1.1\r\n",
		"Host: foo.com\r\n",
		"User-Agent: " + DefaultUserAgent + "\r\n",
		"\r\n",
	}
	if !reflect.DeepEqual(got, want) {
		t.Errorf("Writes = %q\n  Want = %q", got, want)
	}
}
func TestRequestBadHost(t *testing.T) {
	got := []string{}
	req, err := NewRequest("GET", "http://foo/after", nil)
	if err != nil {
		t.Fatal(err)
	}
	req.Host = "foo.com with spaces"
	req.URL.Host = "foo.com with spaces"
	req.Write(logWrites{t, &got})
	want := []string{
		"GET /after HTTP/1.1\r\n",
		"Host: foo.com\r\n",
		"User-Agent: " + DefaultUserAgent + "\r\n",
		"\r\n",
	}
	if !reflect.DeepEqual(got, want) {
		t.Errorf("Writes = %q\n  Want = %q", got, want)
	}
}
func TestStarRequest(t *testing.T) {
	req, err := ReadRequest(bufio.NewReader(strings.NewReader("M-SEARCH * HTTP/1.1\r\n\r\n")))
	if err != nil {
		return
	}
	if req.ContentLength != 0 {
		t.Errorf("ContentLength = %d; want 0", req.ContentLength)
	}
	if req.Body == nil {
		t.Errorf("Body = nil; want non-nil")
	}
	clientReq := *req
	clientReq.Body = nil
	var out bytes.Buffer
	if err := clientReq.Write(&out); err != nil {
		t.Fatal(err)
	}
	if strings.Contains(out.String(), "chunked") {
		t.Error("wrote chunked request; want no body")
	}
	back, err := ReadRequest(bufio.NewReader(bytes.NewReader(out.Bytes())))
	if err != nil {
		t.Fatal(err)
	}
	req.Header = nil
	back.Header = nil
	if !reflect.DeepEqual(req, back) {
		t.Errorf("Original request doesn't match Request read back.")
		t.Logf("Original: %#v", req)
		t.Logf("Original.URL: %#v", req.URL)
		t.Logf("Wrote: %s", out.Bytes())
		t.Logf("Read back (doesn't match Original): %#v", back)
	}
}
type responseWriterJustWriter struct {
	io.Writer
}
func (responseWriterJustWriter) Header() Header  { panic("should not be called") }
func (responseWriterJustWriter) WriteHeader(int) { panic("should not be called") }
type delayedEOFReader struct {
	r io.Reader
}
func (dr delayedEOFReader) Read(p []byte) (n int, err error) {
	n, err = dr.r.Read(p)
	if n > 0 && err == io.EOF {
		err = nil
	}
	return
}
func TestIssue10884_MaxBytesEOF(t *testing.T) {
	dst := ioutil.Discard
	_, err := io.Copy(dst, MaxBytesReader(
		responseWriterJustWriter{dst},
		ioutil.NopCloser(delayedEOFReader{strings.NewReader("12345")}),
		5))
	if err != nil {
		t.Fatal(err)
	}
}