wl.Lock()
			wlocked <- true
		}
	}()
	for range n {
		<-rlocked
		rl.Unlock()
		select {
		case <-wlocked:
			t.Fatal("RLocker() didn't read-lock it")
		default:
		}
		rl.Unlock()
		<-wlocked
		select {
		case <-rlocked:
			t.Fatal("RLocker() didn't respect the write lock")
		default:
		}
		wl.Unlock()
	}
}

// Borrowed from rwmutex_test.go

	// after model changed
	if DB.Statement.DryRun || DB.DryRun {
		t.Fatal("Failed expect DB.DryRun and DB.Statement.ToSQL to be false")
	}

	if DB.Statement.SQL.String() != "" {
		t.Fatal("Failed expect DB.Statement.SQL to be empty")
	}

	// first
	sql = DB.ToSQL(func(tx *gorm.DB) *gorm.DB {

		removeRoots(fsDirs)
		return nil, nil, err
	}
	return objLayer, fsDirs, nil
}

func TestPoolMetaValidate(t *testing.T) {
	objLayer1, fsDirs, err := prepareErasurePools()
	if err != nil {
		t.Fatal(err)
	}
	defer removeRoots(fsDirs)

	meta := objLayer1.(*erasureServerPools).poolMeta
	pools := objLayer1.(*erasureServerPools).serverPools

	objLayer2, fsDirs, err := prepareErasurePools()
	if err != nil {

	defer timeout(10 * time.Second)()
	hosts, listeners, _ := getHosts(2)
	dialer := &net.Dialer{
		Timeout: 1 * time.Second,
	}
	errFatal := func(err error) {
		t.Helper()
		if err != nil {
			t.Fatal(err)
		}
	}
	wrapServer := func(handler http.Handler) http.Handler {
		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
			t.Logf("Got a %s request for: %v", r.Method, r.URL)

		},
	}

	for i, tc := range invalidTestCases {
		t.Run(fmt.Sprintf("Test %d", i+1), func(t *testing.T) {
			var rule Rule
			err := xml.Unmarshal([]byte(tc.inputXML), &rule)
			if err != nil {
				t.Fatal(err)
			}

			if err := rule.Validate(); err != tc.expectedErr {
				t.Fatalf("%d: Expected %v but got %v", i+1, tc.expectedErr, err)
			}
		})
	}

	flag.Parse()
	counter.Inc("addr2line/invocations")
	counter.CountFlags("addr2line/flag:", *flag.CommandLine)
	if flag.NArg() != 1 {
		usage()
	}

	f, err := objfile.Open(flag.Arg(0))
	if err != nil {
		log.Fatal(err)
	}
	defer f.Close()

	tab, err := f.PCLineTable()
	if err != nil {
		log.Fatalf("reading %s: %v", flag.Arg(0), err)
	}

	stdin := bufio.NewScanner(os.Stdin)
	stdout := bufio.NewWriter(os.Stdout)

	}

	object := "object"
	data := bytes.Repeat([]byte("a"), smallFileThreshold*32)
	z := obj.(*erasureServerPools)

	erasureDisks, err := z.GetDisks(0, 0)
	if err != nil {
		t.Fatal(err)
	}

	for i, test := range testCases {
		t.Run(fmt.Sprintf("case-%d", i), func(t *testing.T) {

	}

	ctxt.Bso = bufio.NewWriter(os.Stdout)
	defer ctxt.Bso.Flush()

	architecture.Init(ctxt)

	// Create object file, write header.
	buf, err := bio.Create(*flags.OutputFile)
	if err != nil {
		log.Fatal(err)
	}
	defer buf.Close()

	if !*flags.SymABIs {
		buf.WriteString(objabi.HeaderString())
		fmt.Fprintf(buf, "!\n")
	}

	// Set macros for GOEXPERIMENTs so we can easily switch

	if globalIsDistErasure {
		if globalEndpoints.HTTPS() && !globalIsTLS {
			logger.Fatal(config.ErrNoCertsAndHTTPSEndpoints(nil), "Unable to start the server")
		}
		if !globalEndpoints.HTTPS() && globalIsTLS {
			logger.Fatal(config.ErrCertsAndHTTPEndpoints(nil), "Unable to start the server")
		}
	}

	var getCert certs.GetCertificateFunc
	if globalTLSCerts != nil {

	if err != nil {
		b.Fatal(err)
	}

	// Insert objects to be listed and benchmarked later.
	for i := range 20000 {
		key := "obj" + strconv.Itoa(i)
		_, err = obj.PutObject(b.Context(), bucket, key, mustGetPutObjReader(b, bytes.NewBufferString(key), int64(len(key)), "", ""), ObjectOptions{})
		if err != nil {
			b.Fatal(err)
		}
	}