}

func randomString(n int, rand *rand.Rand) string {
	b := randomBytes(n, rand)
	return string(b)
}

func (*clientHelloMsg) Generate(rand *rand.Rand, size int) reflect.Value {
	m := &clientHelloMsg{}
	m.vers = uint16(rand.Intn(65536))
	m.random = randomBytes(32, rand)
	m.sessionId = randomBytes(rand.Intn(32), rand)
	m.cipherSuites = make([]uint16, rand.Intn(63)+1)
	for i := 0; i < len(m.cipherSuites); i++ {

	if err != nil {
		t.Fatal(err)
	}
	hello, ok := msg.(*clientHelloMsg)
	if !ok {
		t.Fatalf("unexpected message type %T", msg)
	}

	if !isBoringVersion(hello.vers) {
		t.Errorf("client vers=%#x, want %#x (TLS 1.2)", hello.vers, VersionTLS12)
	}
	for _, v := range hello.supportedVersions {
		if !isBoringVersion(v) {
			t.Errorf("client offered disallowed version %#x", v)
		}
	}

		path, err := module.UnescapePath(escPath)
		if err != nil {
			reportError(w, err)
			return
		}
		vers, err := module.UnescapeVersion(escVers)
		if err != nil {
			reportError(w, err)
			return
		}
		id, err := s.ops.Lookup(ctx, module.Version{Path: path, Version: vers})
		if err != nil {
			reportError(w, err)
			return
		}
		records, err := s.ops.ReadRecords(ctx, id, 1)
		if err != nil {

	epath, err := module.EscapePath(path)
	if err != nil {
		return nil, err
	}
	evers, err := module.EscapeVersion(strings.TrimSuffix(vers, "/go.mod"))
	if err != nil {
		return nil, err
	}
	remotePath := "/lookup/" + epath + "@" + evers
	file := c.name + remotePath

	// Fetch the data.
	// The lookupCache avoids redundant ReadCache/GetURL operations

	err := readFull(d.r, d.tmp[:13])
	if err != nil {
		return fmt.Errorf("gif: reading header: %v", err)
	}
	d.vers = string(d.tmp[:6])
	if d.vers != "GIF87a" && d.vers != "GIF89a" {
		return fmt.Errorf("gif: can't recognize format %q", d.vers)
	}
	d.width = int(d.tmp[6]) + int(d.tmp[7])<<8
	d.height = int(d.tmp[8]) + int(d.tmp[9])<<8
	if fields := d.tmp[10]; fields&fColorTable != 0 {

		_, ok := GoroutineProfile(p)
		return ok
	}))
}

func TestVersion(t *testing.T) {
	// Test that version does not contain \r or \n.
	vers := Version()
	if strings.Contains(vers, "\r") || strings.Contains(vers, "\n") {
		t.Fatalf("cr/nl in version: %q", vers)
	}
}

func TestTimediv(t *testing.T) {
	for _, tc := range []struct {
		num int64
		div int32
		ret int32
		rem int32
	}{
		{

		for _, vers := range versions {
			if len(vers) == 0 {
				consistent = false
				continue
			}
			ver := vers[0]
			if len(tops) == 0 {
				consistent = true
				topSig = ver.header
			} else {
				consistent = consistent && ver.header == topSig
			}
			tops = append(tops, vers[0])
		}

		// Check if done...

}

// IsRevisionQuery returns true if vers is a version query that may refer to
// a particular version or revision in a repository like "v1.0.0", "master",
// or "0123abcd". IsRevisionQuery returns false if vers is a query that
// chooses from among available versions like "latest" or ">v1.0.0".
func IsRevisionQuery(path, vers string) bool {
	if vers == "latest" ||
		vers == "upgrade" ||
		vers == "patch" ||

	defer func() {
		if err != nil {
			err = &zipError{verb: "create zip", err: err}
		}
	}()

	// Check that the version is canonical, the module path is well-formed, and
	// the major version suffix matches the major version.
	if vers := module.CanonicalVersion(m.Version); vers != m.Version {
		return fmt.Errorf("version %q is not canonical (should be %q)", m.Version, vers)
	}
	if err := module.Check(m.Path, m.Version); err != nil {

        "group"             | "artifact"             | "vers/ion"  | "version cannot contain '/'"
        "group"             | "artifact"             | "vers\\ion"  | "version cannot contain '\\'"
        "group"             | "artifact"             | "version\t" | "version cannot contain ISO control character '\\u0009'"
    }