Adding upstream version 1.16.10.upstream/1.16.10 upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
author: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-04-28 13:14:23 +0000
committer: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-04-28 13:14:23 +0000
commit: 73df946d56c74384511a194dd01dbe099584fd1a (patch)
tree: fd0bcea490dd81327ddfbb31e215439672c9a068 /src/net/http/httptest
parent: Initial commit. (diff)
download: golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.tar.xz
golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.zip
7 files changed, 1572 insertions, 0 deletions
diff --git a/src/net/http/httptest/example_test.go b/src/net/http/httptest/example_test.go
new file mode 100644
index 0000000..a673843
--- /dev/null
+++ b/src/net/http/httptest/example_test.go
@@ -0,0 +1,99 @@
+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package httptest_test
+
+import (
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"net/http/httptest"
+)
+
+func ExampleResponseRecorder() {
+	handler := func(w http.ResponseWriter, r *http.Request) {
+		io.WriteString(w, "<html><body>Hello World!</body></html>")
+	}
+
+	req := httptest.NewRequest("GET", "http://example.com/foo", nil)
+	w := httptest.NewRecorder()
+	handler(w, req)
+
+	resp := w.Result()
+	body, _ := io.ReadAll(resp.Body)
+
+	fmt.Println(resp.StatusCode)
+	fmt.Println(resp.Header.Get("Content-Type"))
+	fmt.Println(string(body))
+
+	// Output:
+	// 200
+	// text/html; charset=utf-8
+	// <html><body>Hello World!</body></html>
+}
+
+func ExampleServer() {
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprintln(w, "Hello, client")
+	}))
+	defer ts.Close()
+
+	res, err := http.Get(ts.URL)
+	if err != nil {
+		log.Fatal(err)
+	}
+	greeting, err := io.ReadAll(res.Body)
+	res.Body.Close()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Printf("%s", greeting)
+	// Output: Hello, client
+}
+
+func ExampleServer_hTTP2() {
+	ts := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprintf(w, "Hello, %s", r.Proto)
+	}))
+	ts.EnableHTTP2 = true
+	ts.StartTLS()
+	defer ts.Close()
+
+	res, err := ts.Client().Get(ts.URL)
+	if err != nil {
+		log.Fatal(err)
+	}
+	greeting, err := io.ReadAll(res.Body)
+	res.Body.Close()
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Printf("%s", greeting)
+
+	// Output: Hello, HTTP/2.0
+}
+
+func ExampleNewTLSServer() {
+	ts := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprintln(w, "Hello, client")
+	}))
+	defer ts.Close()
+
+	client := ts.Client()
+	res, err := client.Get(ts.URL)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	greeting, err := io.ReadAll(res.Body)
+	res.Body.Close()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Printf("%s", greeting)
+	// Output: Hello, client
+}
diff --git a/src/net/http/httptest/httptest.go b/src/net/http/httptest/httptest.go
new file mode 100644
index 0000000..9bedefd
--- /dev/null
+++ b/src/net/http/httptest/httptest.go
@@ -0,0 +1,90 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package httptest provides utilities for HTTP testing.
+package httptest
+
+import (
+	"bufio"
+	"bytes"
+	"crypto/tls"
+	"io"
+	"net/http"
+	"strings"
+)
+
+// NewRequest returns a new incoming server Request, suitable
+// for passing to an http.Handler for testing.
+//
+// The target is the RFC 7230 "request-target": it may be either a
+// path or an absolute URL. If target is an absolute URL, the host name
+// from the URL is used. Otherwise, "example.com" is used.
+//
+// The TLS field is set to a non-nil dummy value if target has scheme
+// "https".
+//
+// The Request.Proto is always HTTP/1.1.
+//
+// An empty method means "GET".
+//
+// The provided body may be nil. If the body is of type *bytes.Reader,
+// *strings.Reader, or *bytes.Buffer, the Request.ContentLength is
+// set.
+//
+// NewRequest panics on error for ease of use in testing, where a
+// panic is acceptable.
+//
+// To generate a client HTTP request instead of a server request, see
+// the NewRequest function in the net/http package.
+func NewRequest(method, target string, body io.Reader) *http.Request {
+	if method == "" {
+		method = "GET"
+	}
+	req, err := http.ReadRequest(bufio.NewReader(strings.NewReader(method + " " + target + " HTTP/1.0\r\n\r\n")))
+	if err != nil {
+		panic("invalid NewRequest arguments; " + err.Error())
+	}
+
+	// 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())
+		case *strings.Reader:
+			req.ContentLength = int64(v.Len())
+		default:
+			req.ContentLength = -1
+		}
+		if rc, ok := body.(io.ReadCloser); ok {
+			req.Body = rc
+		} else {
+			req.Body = io.NopCloser(body)
+		}
+	}
+
+	// 192.0.2.0/24 is "TEST-NET" in RFC 5737 for use solely in
+	// documentation and example source code and should not be
+	// used publicly.
+	req.RemoteAddr = "192.0.2.1:1234"
+
+	if req.Host == "" {
+		req.Host = "example.com"
+	}
+
+	if strings.HasPrefix(target, "https://") {
+		req.TLS = &tls.ConnectionState{
+			Version:           tls.VersionTLS12,
+			HandshakeComplete: true,
+			ServerName:        req.Host,
+		}
+	}
+
+	return req
+}
diff --git a/src/net/http/httptest/httptest_test.go b/src/net/http/httptest/httptest_test.go
new file mode 100644
index 0000000..071add6
--- /dev/null
+++ b/src/net/http/httptest/httptest_test.go
@@ -0,0 +1,179 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package httptest
+
+import (
+	"crypto/tls"
+	"io"
+	"net/http"
+	"net/url"
+	"reflect"
+	"strings"
+	"testing"
+)
+
+func TestNewRequest(t *testing.T) {
+	for _, tt := range [...]struct {
+		name string
+
+		method, uri string
+		body        io.Reader
+
+		want     *http.Request
+		wantBody string
+	}{
+		{
+			name:   "Empty method means GET",
+			method: "",
+			uri:    "/",
+			body:   nil,
+			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: "/",
+			},
+			wantBody: "",
+		},
+
+		{
+			name:   "GET with full URL",
+			method: "GET",
+			uri:    "http://foo.com/path/%2f/bar/",
+			body:   nil,
+			want: &http.Request{
+				Method: "GET",
+				Host:   "foo.com",
+				URL: &url.URL{
+					Scheme:  "http",
+					Path:    "/path///bar/",
+					RawPath: "/path/%2f/bar/",
+					Host:    "foo.com",
+				},
+				Header:     http.Header{},
+				Proto:      "HTTP/1.1",
+				ProtoMajor: 1,
+				ProtoMinor: 1,
+				RemoteAddr: "192.0.2.1:1234",
+				RequestURI: "http://foo.com/path/%2f/bar/",
+			},
+			wantBody: "",
+		},
+
+		{
+			name:   "GET with full https URL",
+			method: "GET",
+			uri:    "https://foo.com/path/",
+			body:   nil,
+			want: &http.Request{
+				Method: "GET",
+				Host:   "foo.com",
+				URL: &url.URL{
+					Scheme: "https",
+					Path:   "/path/",
+					Host:   "foo.com",
+				},
+				Header:     http.Header{},
+				Proto:      "HTTP/1.1",
+				ProtoMajor: 1,
+				ProtoMinor: 1,
+				RemoteAddr: "192.0.2.1:1234",
+				RequestURI: "https://foo.com/path/",
+				TLS: &tls.ConnectionState{
+					Version:           tls.VersionTLS12,
+					HandshakeComplete: true,
+					ServerName:        "foo.com",
+				},
+			},
+			wantBody: "",
+		},
+
+		{
+			name:   "Post with known length",
+			method: "POST",
+			uri:    "/",
+			body:   strings.NewReader("foo"),
+			want: &http.Request{
+				Method:        "POST",
+				Host:          "example.com",
+				URL:           &url.URL{Path: "/"},
+				Header:        http.Header{},
+				Proto:         "HTTP/1.1",
+				ContentLength: 3,
+				ProtoMajor:    1,
+				ProtoMinor:    1,
+				RemoteAddr:    "192.0.2.1:1234",
+				RequestURI:    "/",
+			},
+			wantBody: "foo",
+		},
+
+		{
+			name:   "Post with unknown length",
+			method: "POST",
+			uri:    "/",
+			body:   struct{ io.Reader }{strings.NewReader("foo")},
+			want: &http.Request{
+				Method:        "POST",
+				Host:          "example.com",
+				URL:           &url.URL{Path: "/"},
+				Header:        http.Header{},
+				Proto:         "HTTP/1.1",
+				ContentLength: -1,
+				ProtoMajor:    1,
+				ProtoMinor:    1,
+				RemoteAddr:    "192.0.2.1:1234",
+				RequestURI:    "/",
+			},
+			wantBody: "foo",
+		},
+
+		{
+			name:   "OPTIONS *",
+			method: "OPTIONS",
+			uri:    "*",
+			want: &http.Request{
+				Method:     "OPTIONS",
+				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: "*",
+			},
+		},
+	} {
+		t.Run(tt.name, func(t *testing.T) {
+			got := NewRequest(tt.method, tt.uri, tt.body)
+			slurp, err := io.ReadAll(got.Body)
+			if err != nil {
+				t.Errorf("ReadAll: %v", err)
+			}
+			if string(slurp) != tt.wantBody {
+				t.Errorf("Body = %q; want %q", slurp, tt.wantBody)
+			}
+			got.Body = nil // before DeepEqual
+			if !reflect.DeepEqual(got.URL, tt.want.URL) {
+				t.Errorf("Request.URL mismatch:\n got: %#v\nwant: %#v", got.URL, tt.want.URL)
+			}
+			if !reflect.DeepEqual(got.Header, tt.want.Header) {
+				t.Errorf("Request.Header mismatch:\n got: %#v\nwant: %#v", got.Header, tt.want.Header)
+			}
+			if !reflect.DeepEqual(got.TLS, tt.want.TLS) {
+				t.Errorf("Request.TLS mismatch:\n got: %#v\nwant: %#v", got.TLS, tt.want.TLS)
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("Request mismatch:\n got: %#v\nwant: %#v", got, tt.want)
+			}
+		})
+	}
+}
diff --git a/src/net/http/httptest/recorder.go b/src/net/http/httptest/recorder.go
new file mode 100644
index 0000000..2428482
--- /dev/null
+++ b/src/net/http/httptest/recorder.go
@@ -0,0 +1,234 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package httptest
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"net/http"
+	"net/textproto"
+	"strconv"
+	"strings"
+
+	"golang.org/x/net/http/httpguts"
+)
+
+// ResponseRecorder is an implementation of http.ResponseWriter that
+// records its mutations for later inspection in tests.
+type ResponseRecorder struct {
+	// Code is the HTTP response code set by WriteHeader.
+	//
+	// Note that if a Handler never calls WriteHeader or Write,
+	// this might end up being 0, rather than the implicit
+	// http.StatusOK. To get the implicit value, use the Result
+	// method.
+	Code int
+
+	// HeaderMap contains the headers explicitly set by the Handler.
+	// It is an internal detail.
+	//
+	// Deprecated: HeaderMap exists for historical compatibility
+	// and should not be used. To access the headers returned by a handler,
+	// use the Response.Header map as returned by the Result method.
+	HeaderMap http.Header
+
+	// Body is the buffer to which the Handler's Write calls are sent.
+	// If nil, the Writes are silently discarded.
+	Body *bytes.Buffer
+
+	// Flushed is whether the Handler called Flush.
+	Flushed bool
+
+	result      *http.Response // cache of Result's return value
+	snapHeader  http.Header    // snapshot of HeaderMap at first Write
+	wroteHeader bool
+}
+
+// NewRecorder returns an initialized ResponseRecorder.
+func NewRecorder() *ResponseRecorder {
+	return &ResponseRecorder{
+		HeaderMap: make(http.Header),
+		Body:      new(bytes.Buffer),
+		Code:      200,
+	}
+}
+
+// DefaultRemoteAddr is the default remote address to return in RemoteAddr if
+// an explicit DefaultRemoteAddr isn't set on ResponseRecorder.
+const DefaultRemoteAddr = "1.2.3.4"
+
+// Header implements http.ResponseWriter. It returns the response
+// headers to mutate within a handler. To test the headers that were
+// written after a handler completes, use the Result method and see
+// the returned Response value's Header.
+func (rw *ResponseRecorder) Header() http.Header {
+	m := rw.HeaderMap
+	if m == nil {
+		m = make(http.Header)
+		rw.HeaderMap = m
+	}
+	return m
+}
+
+// writeHeader writes a header if it was not written yet and
+// detects Content-Type if needed.
+//
+// bytes or str are the beginning of the response body.
+// We pass both to avoid unnecessarily generate garbage
+// in rw.WriteString which was created for performance reasons.
+// Non-nil bytes win.
+func (rw *ResponseRecorder) writeHeader(b []byte, str string) {
+	if rw.wroteHeader {
+		return
+	}
+	if len(str) > 512 {
+		str = str[:512]
+	}
+
+	m := rw.Header()
+
+	_, hasType := m["Content-Type"]
+	hasTE := m.Get("Transfer-Encoding") != ""
+	if !hasType && !hasTE {
+		if b == nil {
+			b = []byte(str)
+		}
+		m.Set("Content-Type", http.DetectContentType(b))
+	}
+
+	rw.WriteHeader(200)
+}
+
+// Write implements http.ResponseWriter. The data in buf is written to
+// rw.Body, if not nil.
+func (rw *ResponseRecorder) Write(buf []byte) (int, error) {
+	rw.writeHeader(buf, "")
+	if rw.Body != nil {
+		rw.Body.Write(buf)
+	}
+	return len(buf), nil
+}
+
+// WriteString implements io.StringWriter. The data in str is written
+// to rw.Body, if not nil.
+func (rw *ResponseRecorder) WriteString(str string) (int, error) {
+	rw.writeHeader(nil, str)
+	if rw.Body != nil {
+		rw.Body.WriteString(str)
+	}
+	return len(str), nil
+}
+
+// WriteHeader implements http.ResponseWriter.
+func (rw *ResponseRecorder) WriteHeader(code int) {
+	if rw.wroteHeader {
+		return
+	}
+	rw.Code = code
+	rw.wroteHeader = true
+	if rw.HeaderMap == nil {
+		rw.HeaderMap = make(http.Header)
+	}
+	rw.snapHeader = rw.HeaderMap.Clone()
+}
+
+// Flush implements http.Flusher. To test whether Flush was
+// called, see rw.Flushed.
+func (rw *ResponseRecorder) Flush() {
+	if !rw.wroteHeader {
+		rw.WriteHeader(200)
+	}
+	rw.Flushed = true
+}
+
+// Result returns the response generated by the handler.
+//
+// The returned Response will have at least its StatusCode,
+// Header, Body, and optionally Trailer populated.
+// More fields may be populated in the future, so callers should
+// not DeepEqual the result in tests.
+//
+// The Response.Header is a snapshot of the headers at the time of the
+// first write call, or at the time of this call, if the handler never
+// did a write.
+//
+// The Response.Body is guaranteed to be non-nil and Body.Read call is
+// guaranteed to not return any error other than io.EOF.
+//
+// Result must only be called after the handler has finished running.
+func (rw *ResponseRecorder) Result() *http.Response {
+	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
+	}
+	res.Status = fmt.Sprintf("%03d %s", res.StatusCode, http.StatusText(res.StatusCode))
+	if rw.Body != nil {
+		res.Body = io.NopCloser(bytes.NewReader(rw.Body.Bytes()))
+	} else {
+		res.Body = http.NoBody
+	}
+	res.ContentLength = parseContentLength(res.Header.Get("Content-Length"))
+
+	if trailers, ok := rw.snapHeader["Trailer"]; ok {
+		res.Trailer = make(http.Header, len(trailers))
+		for _, k := range trailers {
+			k = http.CanonicalHeaderKey(k)
+			if !httpguts.ValidTrailerHeader(k) {
+				// Ignore since forbidden by RFC 7230, section 4.1.2.
+				continue
+			}
+			vv, ok := rw.HeaderMap[k]
+			if !ok {
+				continue
+			}
+			vv2 := make([]string, len(vv))
+			copy(vv2, vv)
+			res.Trailer[k] = vv2
+		}
+	}
+	for k, vv := range rw.HeaderMap {
+		if !strings.HasPrefix(k, http.TrailerPrefix) {
+			continue
+		}
+		if res.Trailer == nil {
+			res.Trailer = make(http.Header)
+		}
+		for _, v := range vv {
+			res.Trailer.Add(strings.TrimPrefix(k, http.TrailerPrefix), v)
+		}
+	}
+	return res
+}
+
+// parseContentLength trims whitespace from s and returns -1 if no value
+// is set, or the value if it's >= 0.
+//
+// This a modified version of same function found in net/http/transfer.go. This
+// one just ignores an invalid header.
+func parseContentLength(cl string) int64 {
+	cl = textproto.TrimString(cl)
+	if cl == "" {
+		return -1
+	}
+	n, err := strconv.ParseUint(cl, 10, 63)
+	if err != nil {
+		return -1
+	}
+	return int64(n)
+}
diff --git a/src/net/http/httptest/recorder_test.go b/src/net/http/httptest/recorder_test.go
new file mode 100644
index 0000000..a865e87
--- /dev/null
+++ b/src/net/http/httptest/recorder_test.go
@@ -0,0 +1,347 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package httptest
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"testing"
+)
+
+func TestRecorder(t *testing.T) {
+	type checkFunc func(*ResponseRecorder) error
+	check := func(fns ...checkFunc) []checkFunc { return fns }
+
+	hasStatus := func(wantCode int) checkFunc {
+		return func(rec *ResponseRecorder) error {
+			if rec.Code != wantCode {
+				return fmt.Errorf("Status = %d; want %d", rec.Code, wantCode)
+			}
+			return nil
+		}
+	}
+	hasResultStatus := func(want string) checkFunc {
+		return func(rec *ResponseRecorder) error {
+			if rec.Result().Status != want {
+				return fmt.Errorf("Result().Status = %q; want %q", rec.Result().Status, want)
+			}
+			return nil
+		}
+	}
+	hasResultStatusCode := func(wantCode int) checkFunc {
+		return func(rec *ResponseRecorder) error {
+			if rec.Result().StatusCode != wantCode {
+				return fmt.Errorf("Result().StatusCode = %d; want %d", rec.Result().StatusCode, wantCode)
+			}
+			return nil
+		}
+	}
+	hasResultContents := func(want string) checkFunc {
+		return func(rec *ResponseRecorder) error {
+			contentBytes, err := io.ReadAll(rec.Result().Body)
+			if err != nil {
+				return err
+			}
+			contents := string(contentBytes)
+			if contents != want {
+				return fmt.Errorf("Result().Body = %s; want %s", contents, want)
+			}
+			return nil
+		}
+	}
+	hasContents := func(want string) checkFunc {
+		return func(rec *ResponseRecorder) error {
+			if rec.Body.String() != want {
+				return fmt.Errorf("wrote = %q; want %q", rec.Body.String(), want)
+			}
+			return nil
+		}
+	}
+	hasFlush := func(want bool) checkFunc {
+		return func(rec *ResponseRecorder) error {
+			if rec.Flushed != want {
+				return fmt.Errorf("Flushed = %v; want %v", rec.Flushed, want)
+			}
+			return nil
+		}
+	}
+	hasOldHeader := func(key, want string) checkFunc {
+		return func(rec *ResponseRecorder) error {
+			if got := rec.HeaderMap.Get(key); got != want {
+				return fmt.Errorf("HeaderMap header %s = %q; want %q", key, got, want)
+			}
+			return nil
+		}
+	}
+	hasHeader := func(key, want string) checkFunc {
+		return func(rec *ResponseRecorder) error {
+			if got := rec.Result().Header.Get(key); got != want {
+				return fmt.Errorf("final header %s = %q; want %q", key, got, want)
+			}
+			return nil
+		}
+	}
+	hasNotHeaders := func(keys ...string) checkFunc {
+		return func(rec *ResponseRecorder) error {
+			for _, k := range keys {
+				v, ok := rec.Result().Header[http.CanonicalHeaderKey(k)]
+				if ok {
+					return fmt.Errorf("unexpected header %s with value %q", k, v)
+				}
+			}
+			return nil
+		}
+	}
+	hasTrailer := func(key, want string) checkFunc {
+		return func(rec *ResponseRecorder) error {
+			if got := rec.Result().Trailer.Get(key); got != want {
+				return fmt.Errorf("trailer %s = %q; want %q", key, got, want)
+			}
+			return nil
+		}
+	}
+	hasNotTrailers := func(keys ...string) checkFunc {
+		return func(rec *ResponseRecorder) error {
+			trailers := rec.Result().Trailer
+			for _, k := range keys {
+				_, ok := trailers[http.CanonicalHeaderKey(k)]
+				if ok {
+					return fmt.Errorf("unexpected trailer %s", k)
+				}
+			}
+			return nil
+		}
+	}
+	hasContentLength := func(length int64) checkFunc {
+		return func(rec *ResponseRecorder) error {
+			if got := rec.Result().ContentLength; got != length {
+				return fmt.Errorf("ContentLength = %d; want %d", got, length)
+			}
+			return nil
+		}
+	}
+
+	for _, tt := range [...]struct {
+		name   string
+		h      func(w http.ResponseWriter, r *http.Request)
+		checks []checkFunc
+	}{
+		{
+			"200 default",
+			func(w http.ResponseWriter, r *http.Request) {},
+			check(hasStatus(200), hasContents("")),
+		},
+		{
+			"first code only",
+			func(w http.ResponseWriter, r *http.Request) {
+				w.WriteHeader(201)
+				w.WriteHeader(202)
+				w.Write([]byte("hi"))
+			},
+			check(hasStatus(201), hasContents("hi")),
+		},
+		{
+			"write sends 200",
+			func(w http.ResponseWriter, r *http.Request) {
+				w.Write([]byte("hi first"))
+				w.WriteHeader(201)
+				w.WriteHeader(202)
+			},
+			check(hasStatus(200), hasContents("hi first"), hasFlush(false)),
+		},
+		{
+			"write string",
+			func(w http.ResponseWriter, r *http.Request) {
+				io.WriteString(w, "hi first")
+			},
+			check(
+				hasStatus(200),
+				hasContents("hi first"),
+				hasFlush(false),
+				hasHeader("Content-Type", "text/plain; charset=utf-8"),
+			),
+		},
+		{
+			"flush",
+			func(w http.ResponseWriter, r *http.Request) {
+				w.(http.Flusher).Flush() // also sends a 200
+				w.WriteHeader(201)
+			},
+			check(hasStatus(200), hasFlush(true), hasContentLength(-1)),
+		},
+		{
+			"Content-Type detection",
+			func(w http.ResponseWriter, r *http.Request) {
+				io.WriteString(w, "<html>")
+			},
+			check(hasHeader("Content-Type", "text/html; charset=utf-8")),
+		},
+		{
+			"no Content-Type detection with Transfer-Encoding",
+			func(w http.ResponseWriter, r *http.Request) {
+				w.Header().Set("Transfer-Encoding", "some encoding")
+				io.WriteString(w, "<html>")
+			},
+			check(hasHeader("Content-Type", "")), // no header
+		},
+		{
+			"no Content-Type detection if set explicitly",
+			func(w http.ResponseWriter, r *http.Request) {
+				w.Header().Set("Content-Type", "some/type")
+				io.WriteString(w, "<html>")
+			},
+			check(hasHeader("Content-Type", "some/type")),
+		},
+		{
+			"Content-Type detection doesn't crash if HeaderMap is nil",
+			func(w http.ResponseWriter, r *http.Request) {
+				// Act as if the user wrote new(httptest.ResponseRecorder)
+				// rather than using NewRecorder (which initializes
+				// HeaderMap)
+				w.(*ResponseRecorder).HeaderMap = nil
+				io.WriteString(w, "<html>")
+			},
+			check(hasHeader("Content-Type", "text/html; charset=utf-8")),
+		},
+		{
+			"Header is not changed after write",
+			func(w http.ResponseWriter, r *http.Request) {
+				hdr := w.Header()
+				hdr.Set("Key", "correct")
+				w.WriteHeader(200)
+				hdr.Set("Key", "incorrect")
+			},
+			check(hasHeader("Key", "correct")),
+		},
+		{
+			"Trailer headers are correctly recorded",
+			func(w http.ResponseWriter, r *http.Request) {
+				w.Header().Set("Non-Trailer", "correct")
+				w.Header().Set("Trailer", "Trailer-A")
+				w.Header().Add("Trailer", "Trailer-B")
+				w.Header().Add("Trailer", "Trailer-C")
+				io.WriteString(w, "<html>")
+				w.Header().Set("Non-Trailer", "incorrect")
+				w.Header().Set("Trailer-A", "valuea")
+				w.Header().Set("Trailer-C", "valuec")
+				w.Header().Set("Trailer-NotDeclared", "should be omitted")
+				w.Header().Set("Trailer:Trailer-D", "with prefix")
+			},
+			check(
+				hasStatus(200),
+				hasHeader("Content-Type", "text/html; charset=utf-8"),
+				hasHeader("Non-Trailer", "correct"),
+				hasNotHeaders("Trailer-A", "Trailer-B", "Trailer-C", "Trailer-NotDeclared"),
+				hasTrailer("Trailer-A", "valuea"),
+				hasTrailer("Trailer-C", "valuec"),
+				hasNotTrailers("Non-Trailer", "Trailer-B", "Trailer-NotDeclared"),
+				hasTrailer("Trailer-D", "with prefix"),
+			),
+		},
+		{
+			"Header set without any write", // Issue 15560
+			func(w http.ResponseWriter, r *http.Request) {
+				w.Header().Set("X-Foo", "1")
+
+				// Simulate somebody using
+				// new(ResponseRecorder) instead of
+				// using the constructor which sets
+				// this to 200
+				w.(*ResponseRecorder).Code = 0
+			},
+			check(
+				hasOldHeader("X-Foo", "1"),
+				hasStatus(0),
+				hasHeader("X-Foo", "1"),
+				hasResultStatus("200 OK"),
+				hasResultStatusCode(200),
+			),
+		},
+		{
+			"HeaderMap vs FinalHeaders", // more for Issue 15560
+			func(w http.ResponseWriter, r *http.Request) {
+				h := w.Header()
+				h.Set("X-Foo", "1")
+				w.Write([]byte("hi"))
+				h.Set("X-Foo", "2")
+				h.Set("X-Bar", "2")
+			},
+			check(
+				hasOldHeader("X-Foo", "2"),
+				hasOldHeader("X-Bar", "2"),
+				hasHeader("X-Foo", "1"),
+				hasNotHeaders("X-Bar"),
+			),
+		},
+		{
+			"setting Content-Length header",
+			func(w http.ResponseWriter, r *http.Request) {
+				body := "Some body"
+				contentLength := fmt.Sprintf("%d", len(body))
+				w.Header().Set("Content-Length", contentLength)
+				io.WriteString(w, body)
+			},
+			check(hasStatus(200), hasContents("Some body"), hasContentLength(9)),
+		},
+		{
+			"nil ResponseRecorder.Body", // Issue 26642
+			func(w http.ResponseWriter, r *http.Request) {
+				w.(*ResponseRecorder).Body = nil
+				io.WriteString(w, "hi")
+			},
+			check(hasResultContents("")), // check we don't crash reading the body
+
+		},
+	} {
+		t.Run(tt.name, func(t *testing.T) {
+			r, _ := http.NewRequest("GET", "http://foo.com/", nil)
+			h := http.HandlerFunc(tt.h)
+			rec := NewRecorder()
+			h.ServeHTTP(rec, r)
+			for _, check := range tt.checks {
+				if err := check(rec); err != nil {
+					t.Error(err)
+				}
+			}
+		})
+	}
+}
+
+// issue 39017 - disallow Content-Length values such as "+3"
+func TestParseContentLength(t *testing.T) {
+	tests := []struct {
+		cl   string
+		want int64
+	}{
+		{
+			cl:   "3",
+			want: 3,
+		},
+		{
+			cl:   "+3",
+			want: -1,
+		},
+		{
+			cl:   "-3",
+			want: -1,
+		},
+		{
+			// max int64, for safe conversion before returning
+			cl:   "9223372036854775807",
+			want: 9223372036854775807,
+		},
+		{
+			cl:   "9223372036854775808",
+			want: -1,
+		},
+	}
+
+	for _, tt := range tests {
+		if got := parseContentLength(tt.cl); got != tt.want {
+			t.Errorf("%q:\n\tgot=%d\n\twant=%d", tt.cl, got, tt.want)
+		}
+	}
+}
diff --git a/src/net/http/httptest/server.go b/src/net/http/httptest/server.go
new file mode 100644
index 0000000..65165d9
--- /dev/null
+++ b/src/net/http/httptest/server.go
@@ -0,0 +1,383 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Implementation of Server
+
+package httptest
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"flag"
+	"fmt"
+	"log"
+	"net"
+	"net/http"
+	"net/http/internal"
+	"os"
+	"strings"
+	"sync"
+	"time"
+)
+
+// A Server is an HTTP server listening on a system-chosen port on the
+// local loopback interface, for use in end-to-end HTTP tests.
+type Server struct {
+	URL      string // base URL of form http://ipaddr:port with no trailing slash
+	Listener net.Listener
+
+	// EnableHTTP2 controls whether HTTP/2 is enabled
+	// on the server. It must be set between calling
+	// NewUnstartedServer and calling Server.StartTLS.
+	EnableHTTP2 bool
+
+	// TLS is the optional TLS configuration, populated with a new config
+	// after TLS is started. If set on an unstarted server before StartTLS
+	// is called, existing fields are copied into the new config.
+	TLS *tls.Config
+
+	// Config may be changed after calling NewUnstartedServer and
+	// before Start or StartTLS.
+	Config *http.Server
+
+	// certificate is a parsed version of the TLS config certificate, if present.
+	certificate *x509.Certificate
+
+	// wg counts the number of outstanding HTTP requests on this server.
+	// Close blocks until all requests are finished.
+	wg sync.WaitGroup
+
+	mu     sync.Mutex // guards closed and conns
+	closed bool
+	conns  map[net.Conn]http.ConnState // except terminal states
+
+	// client is configured for use with the server.
+	// Its transport is automatically closed when Close is called.
+	client *http.Client
+}
+
+func newLocalListener() net.Listener {
+	if serveFlag != "" {
+		l, err := net.Listen("tcp", serveFlag)
+		if err != nil {
+			panic(fmt.Sprintf("httptest: failed to listen on %v: %v", serveFlag, err))
+		}
+		return l
+	}
+	l, err := net.Listen("tcp", "127.0.0.1:0")
+	if err != nil {
+		if l, err = net.Listen("tcp6", "[::1]:0"); err != nil {
+			panic(fmt.Sprintf("httptest: failed to listen on a port: %v", err))
+		}
+	}
+	return l
+}
+
+// When debugging a particular http server-based test,
+// this flag lets you run
+//	go test -run=BrokenTest -httptest.serve=127.0.0.1:8000
+// to start the broken server so you can interact with it manually.
+// We only register this flag if it looks like the caller knows about it
+// and is trying to use it as we don't want to pollute flags and this
+// isn't really part of our API. Don't depend on this.
+var serveFlag string
+
+func init() {
+	if strSliceContainsPrefix(os.Args, "-httptest.serve=") || strSliceContainsPrefix(os.Args, "--httptest.serve=") {
+		flag.StringVar(&serveFlag, "httptest.serve", "", "if non-empty, httptest.NewServer serves on this address and blocks.")
+	}
+}
+
+func strSliceContainsPrefix(v []string, pre string) bool {
+	for _, s := range v {
+		if strings.HasPrefix(s, pre) {
+			return true
+		}
+	}
+	return false
+}
+
+// NewServer starts and returns a new Server.
+// The caller should call Close when finished, to shut it down.
+func NewServer(handler http.Handler) *Server {
+	ts := NewUnstartedServer(handler)
+	ts.Start()
+	return ts
+}
+
+// NewUnstartedServer returns a new Server but doesn't start it.
+//
+// After changing its configuration, the caller should call Start or
+// StartTLS.
+//
+// The caller should call Close when finished, to shut it down.
+func NewUnstartedServer(handler http.Handler) *Server {
+	return &Server{
+		Listener: newLocalListener(),
+		Config:   &http.Server{Handler: handler},
+	}
+}
+
+// Start starts a server from NewUnstartedServer.
+func (s *Server) Start() {
+	if s.URL != "" {
+		panic("Server already started")
+	}
+	if s.client == nil {
+		s.client = &http.Client{Transport: &http.Transport{}}
+	}
+	s.URL = "http://" + s.Listener.Addr().String()
+	s.wrap()
+	s.goServe()
+	if serveFlag != "" {
+		fmt.Fprintln(os.Stderr, "httptest: serving on", s.URL)
+		select {}
+	}
+}
+
+// StartTLS starts TLS on a server from NewUnstartedServer.
+func (s *Server) StartTLS() {
+	if s.URL != "" {
+		panic("Server already started")
+	}
+	if s.client == nil {
+		s.client = &http.Client{Transport: &http.Transport{}}
+	}
+	cert, err := tls.X509KeyPair(internal.LocalhostCert, internal.LocalhostKey)
+	if err != nil {
+		panic(fmt.Sprintf("httptest: NewTLSServer: %v", err))
+	}
+
+	existingConfig := s.TLS
+	if existingConfig != nil {
+		s.TLS = existingConfig.Clone()
+	} else {
+		s.TLS = new(tls.Config)
+	}
+	if s.TLS.NextProtos == nil {
+		nextProtos := []string{"http/1.1"}
+		if s.EnableHTTP2 {
+			nextProtos = []string{"h2"}
+		}
+		s.TLS.NextProtos = nextProtos
+	}
+	if len(s.TLS.Certificates) == 0 {
+		s.TLS.Certificates = []tls.Certificate{cert}
+	}
+	s.certificate, err = x509.ParseCertificate(s.TLS.Certificates[0].Certificate[0])
+	if err != nil {
+		panic(fmt.Sprintf("httptest: NewTLSServer: %v", err))
+	}
+	certpool := x509.NewCertPool()
+	certpool.AddCert(s.certificate)
+	s.client.Transport = &http.Transport{
+		TLSClientConfig: &tls.Config{
+			RootCAs: certpool,
+		},
+		ForceAttemptHTTP2: s.EnableHTTP2,
+	}
+	s.Listener = tls.NewListener(s.Listener, s.TLS)
+	s.URL = "https://" + s.Listener.Addr().String()
+	s.wrap()
+	s.goServe()
+}
+
+// NewTLSServer starts and returns a new Server using TLS.
+// The caller should call Close when finished, to shut it down.
+func NewTLSServer(handler http.Handler) *Server {
+	ts := NewUnstartedServer(handler)
+	ts.StartTLS()
+	return ts
+}
+
+type closeIdleTransport interface {
+	CloseIdleConnections()
+}
+
+// Close shuts down the server and blocks until all outstanding
+// requests on this server have completed.
+func (s *Server) Close() {
+	s.mu.Lock()
+	if !s.closed {
+		s.closed = true
+		s.Listener.Close()
+		s.Config.SetKeepAlivesEnabled(false)
+		for c, st := range s.conns {
+			// Force-close any idle connections (those between
+			// requests) and new connections (those which connected
+			// but never sent a request). StateNew connections are
+			// super rare and have only been seen (in
+			// previously-flaky tests) in the case of
+			// socket-late-binding races from the http Client
+			// dialing this server and then getting an idle
+			// connection before the dial completed. There is thus
+			// a connected connection in StateNew with no
+			// associated Request. We only close StateIdle and
+			// StateNew because they're not doing anything. It's
+			// possible StateNew is about to do something in a few
+			// milliseconds, but a previous CL to check again in a
+			// few milliseconds wasn't liked (early versions of
+			// https://golang.org/cl/15151) so now we just
+			// forcefully close StateNew. The docs for Server.Close say
+			// we wait for "outstanding requests", so we don't close things
+			// in StateActive.
+			if st == http.StateIdle || st == http.StateNew {
+				s.closeConn(c)
+			}
+		}
+		// If this server doesn't shut down in 5 seconds, tell the user why.
+		t := time.AfterFunc(5*time.Second, s.logCloseHangDebugInfo)
+		defer t.Stop()
+	}
+	s.mu.Unlock()
+
+	// Not part of httptest.Server's correctness, but assume most
+	// users of httptest.Server will be using the standard
+	// transport, so help them out and close any idle connections for them.
+	if t, ok := http.DefaultTransport.(closeIdleTransport); ok {
+		t.CloseIdleConnections()
+	}
+
+	// Also close the client idle connections.
+	if s.client != nil {
+		if t, ok := s.client.Transport.(closeIdleTransport); ok {
+			t.CloseIdleConnections()
+		}
+	}
+
+	s.wg.Wait()
+}
+
+func (s *Server) logCloseHangDebugInfo() {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	var buf strings.Builder
+	buf.WriteString("httptest.Server blocked in Close after 5 seconds, waiting for connections:\n")
+	for c, st := range s.conns {
+		fmt.Fprintf(&buf, "  %T %p %v in state %v\n", c, c, c.RemoteAddr(), st)
+	}
+	log.Print(buf.String())
+}
+
+// CloseClientConnections closes any open HTTP connections to the test Server.
+func (s *Server) CloseClientConnections() {
+	s.mu.Lock()
+	nconn := len(s.conns)
+	ch := make(chan struct{}, nconn)
+	for c := range s.conns {
+		go s.closeConnChan(c, ch)
+	}
+	s.mu.Unlock()
+
+	// Wait for outstanding closes to finish.
+	//
+	// Out of paranoia for making a late change in Go 1.6, we
+	// bound how long this can wait, since golang.org/issue/14291
+	// isn't fully understood yet. At least this should only be used
+	// in tests.
+	timer := time.NewTimer(5 * time.Second)
+	defer timer.Stop()
+	for i := 0; i < nconn; i++ {
+		select {
+		case <-ch:
+		case <-timer.C:
+			// Too slow. Give up.
+			return
+		}
+	}
+}
+
+// Certificate returns the certificate used by the server, or nil if
+// the server doesn't use TLS.
+func (s *Server) Certificate() *x509.Certificate {
+	return s.certificate
+}
+
+// Client returns an HTTP client configured for making requests to the server.
+// It is configured to trust the server's TLS test certificate and will
+// close its idle connections on Server.Close.
+func (s *Server) Client() *http.Client {
+	return s.client
+}
+
+func (s *Server) goServe() {
+	s.wg.Add(1)
+	go func() {
+		defer s.wg.Done()
+		s.Config.Serve(s.Listener)
+	}()
+}
+
+// wrap installs the connection state-tracking hook to know which
+// connections are idle.
+func (s *Server) wrap() {
+	oldHook := s.Config.ConnState
+	s.Config.ConnState = func(c net.Conn, cs http.ConnState) {
+		s.mu.Lock()
+		defer s.mu.Unlock()
+		switch cs {
+		case http.StateNew:
+			s.wg.Add(1)
+			if _, exists := s.conns[c]; exists {
+				panic("invalid state transition")
+			}
+			if s.conns == nil {
+				s.conns = make(map[net.Conn]http.ConnState)
+			}
+			s.conns[c] = cs
+			if s.closed {
+				// Probably just a socket-late-binding dial from
+				// the default transport that lost the race (and
+				// thus this connection is now idle and will
+				// never be used).
+				s.closeConn(c)
+			}
+		case http.StateActive:
+			if oldState, ok := s.conns[c]; ok {
+				if oldState != http.StateNew && oldState != http.StateIdle {
+					panic("invalid state transition")
+				}
+				s.conns[c] = cs
+			}
+		case http.StateIdle:
+			if oldState, ok := s.conns[c]; ok {
+				if oldState != http.StateActive {
+					panic("invalid state transition")
+				}
+				s.conns[c] = cs
+			}
+			if s.closed {
+				s.closeConn(c)
+			}
+		case http.StateHijacked, http.StateClosed:
+			s.forgetConn(c)
+		}
+		if oldHook != nil {
+			oldHook(c, cs)
+		}
+	}
+}
+
+// closeConn closes c.
+// s.mu must be held.
+func (s *Server) closeConn(c net.Conn) { s.closeConnChan(c, nil) }
+
+// closeConnChan is like closeConn, but takes an optional channel to receive a value
+// when the goroutine closing c is done.
+func (s *Server) closeConnChan(c net.Conn, done chan<- struct{}) {
+	c.Close()
+	if done != nil {
+		done <- struct{}{}
+	}
+}
+
+// forgetConn removes c from the set of tracked conns and decrements it from the
+// waitgroup, unless it was previously removed.
+// s.mu must be held.
+func (s *Server) forgetConn(c net.Conn) {
+	if _, ok := s.conns[c]; ok {
+		delete(s.conns, c)
+		s.wg.Done()
+	}
+}
diff --git a/src/net/http/httptest/server_test.go b/src/net/http/httptest/server_test.go
new file mode 100644
index 0000000..39568b3
--- /dev/null
+++ b/src/net/http/httptest/server_test.go
@@ -0,0 +1,240 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package httptest
+
+import (
+	"bufio"
+	"io"
+	"net"
+	"net/http"
+	"testing"
+)
+
+type newServerFunc func(http.Handler) *Server
+
+var newServers = map[string]newServerFunc{
+	"NewServer":    NewServer,
+	"NewTLSServer": NewTLSServer,
+
+	// The manual variants of newServer create a Server manually by only filling
+	// in the exported fields of Server.
+	"NewServerManual": func(h http.Handler) *Server {
+		ts := &Server{Listener: newLocalListener(), Config: &http.Server{Handler: h}}
+		ts.Start()
+		return ts
+	},
+	"NewTLSServerManual": func(h http.Handler) *Server {
+		ts := &Server{Listener: newLocalListener(), Config: &http.Server{Handler: h}}
+		ts.StartTLS()
+		return ts
+	},
+}
+
+func TestServer(t *testing.T) {
+	for _, name := range []string{"NewServer", "NewServerManual"} {
+		t.Run(name, func(t *testing.T) {
+			newServer := newServers[name]
+			t.Run("Server", func(t *testing.T) { testServer(t, newServer) })
+			t.Run("GetAfterClose", func(t *testing.T) { testGetAfterClose(t, newServer) })
+			t.Run("ServerCloseBlocking", func(t *testing.T) { testServerCloseBlocking(t, newServer) })
+			t.Run("ServerCloseClientConnections", func(t *testing.T) { testServerCloseClientConnections(t, newServer) })
+			t.Run("ServerClientTransportType", func(t *testing.T) { testServerClientTransportType(t, newServer) })
+		})
+	}
+	for _, name := range []string{"NewTLSServer", "NewTLSServerManual"} {
+		t.Run(name, func(t *testing.T) {
+			newServer := newServers[name]
+			t.Run("ServerClient", func(t *testing.T) { testServerClient(t, newServer) })
+			t.Run("TLSServerClientTransportType", func(t *testing.T) { testTLSServerClientTransportType(t, newServer) })
+		})
+	}
+}
+
+func testServer(t *testing.T, newServer newServerFunc) {
+	ts := newServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Write([]byte("hello"))
+	}))
+	defer ts.Close()
+	res, err := http.Get(ts.URL)
+	if err != nil {
+		t.Fatal(err)
+	}
+	got, err := io.ReadAll(res.Body)
+	res.Body.Close()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if string(got) != "hello" {
+		t.Errorf("got %q, want hello", string(got))
+	}
+}
+
+// Issue 12781
+func testGetAfterClose(t *testing.T, newServer newServerFunc) {
+	ts := newServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Write([]byte("hello"))
+	}))
+
+	res, err := http.Get(ts.URL)
+	if err != nil {
+		t.Fatal(err)
+	}
+	got, err := io.ReadAll(res.Body)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if string(got) != "hello" {
+		t.Fatalf("got %q, want hello", string(got))
+	}
+
+	ts.Close()
+
+	res, err = http.Get(ts.URL)
+	if err == nil {
+		body, _ := io.ReadAll(res.Body)
+		t.Fatalf("Unexpected response after close: %v, %v, %s", res.Status, res.Header, body)
+	}
+}
+
+func testServerCloseBlocking(t *testing.T, newServer newServerFunc) {
+	ts := newServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Write([]byte("hello"))
+	}))
+	dial := func() net.Conn {
+		c, err := net.Dial("tcp", ts.Listener.Addr().String())
+		if err != nil {
+			t.Fatal(err)
+		}
+		return c
+	}
+
+	// Keep one connection in StateNew (connected, but not sending anything)
+	cnew := dial()
+	defer cnew.Close()
+
+	// Keep one connection in StateIdle (idle after a request)
+	cidle := dial()
+	defer cidle.Close()
+	cidle.Write([]byte("HEAD / HTTP/1.1\r\nHost: foo\r\n\r\n"))
+	_, err := http.ReadResponse(bufio.NewReader(cidle), nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	ts.Close() // test we don't hang here forever.
+}
+
+// Issue 14290
+func testServerCloseClientConnections(t *testing.T, newServer newServerFunc) {
+	var s *Server
+	s = newServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		s.CloseClientConnections()
+	}))
+	defer s.Close()
+	res, err := http.Get(s.URL)
+	if err == nil {
+		res.Body.Close()
+		t.Fatalf("Unexpected response: %#v", res)
+	}
+}
+
+// Tests that the Server.Client method works and returns an http.Client that can hit
+// NewTLSServer without cert warnings.
+func testServerClient(t *testing.T, newTLSServer newServerFunc) {
+	ts := newTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Write([]byte("hello"))
+	}))
+	defer ts.Close()
+	client := ts.Client()
+	res, err := client.Get(ts.URL)
+	if err != nil {
+		t.Fatal(err)
+	}
+	got, err := io.ReadAll(res.Body)
+	res.Body.Close()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if string(got) != "hello" {
+		t.Errorf("got %q, want hello", string(got))
+	}
+}
+
+// Tests that the Server.Client.Transport interface is implemented
+// by a *http.Transport.
+func testServerClientTransportType(t *testing.T, newServer newServerFunc) {
+	ts := newServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+	}))
+	defer ts.Close()
+	client := ts.Client()
+	if _, ok := client.Transport.(*http.Transport); !ok {
+		t.Errorf("got %T, want *http.Transport", client.Transport)
+	}
+}
+
+// Tests that the TLS Server.Client.Transport interface is implemented
+// by a *http.Transport.
+func testTLSServerClientTransportType(t *testing.T, newTLSServer newServerFunc) {
+	ts := newTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+	}))
+	defer ts.Close()
+	client := ts.Client()
+	if _, ok := client.Transport.(*http.Transport); !ok {
+		t.Errorf("got %T, want *http.Transport", client.Transport)
+	}
+}
+
+type onlyCloseListener struct {
+	net.Listener
+}
+
+func (onlyCloseListener) Close() error { return nil }
+
+// Issue 19729: panic in Server.Close for values created directly
+// without a constructor (so the unexported client field is nil).
+func TestServerZeroValueClose(t *testing.T) {
+	ts := &Server{
+		Listener: onlyCloseListener{},
+		Config:   &http.Server{},
+	}
+
+	ts.Close() // tests that it doesn't panic
+}
+
+func TestTLSServerWithHTTP2(t *testing.T) {
+	modes := []struct {
+		name      string
+		wantProto string
+	}{
+		{"http1", "HTTP/1.1"},
+		{"http2", "HTTP/2.0"},
+	}
+
+	for _, tt := range modes {
+		t.Run(tt.name, func(t *testing.T) {
+			cst := NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				w.Header().Set("X-Proto", r.Proto)
+			}))
+
+			switch tt.name {
+			case "http2":
+				cst.EnableHTTP2 = true
+				cst.StartTLS()
+			default:
+				cst.Start()
+			}
+
+			defer cst.Close()
+
+			res, err := cst.Client().Get(cst.URL)
+			if err != nil {
+				t.Fatalf("Failed to make request: %v", err)
+			}
+			if g, w := res.Header.Get("X-Proto"), tt.wantProto; g != w {
+				t.Fatalf("X-Proto header mismatch:\n\tgot:  %q\n\twant: %q", g, w)
+			}
+		})
+	}
+}
author	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-04-28 13:14:23 +0000
committer	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-04-28 13:14:23 +0000
commit	73df946d56c74384511a194dd01dbe099584fd1a (patch)
tree	fd0bcea490dd81327ddfbb31e215439672c9a068 /src/net/http/httptest
parent	Initial commit. (diff)
download	golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.tar.xz golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.zip