{ExtKey: [32]byte{}, Random: shortRandom(31), ShouldPass: false}, // 3
}

func TestGenerateKey(t *testing.T) {
	defer func(l bool) { logger.DisableLog = l }(logger.DisableLog)
	logger.DisableLog = true

	for i, test := range generateKeyTests {
		i, test := i, test
		func() {
			defer recoverTest(i, test.ShouldPass, t)
			key := GenerateKey(test.ExtKey[:], test.Random)
			if [32]byte(key) == [32]byte{} {

	if runtime.GOOS == globalWindowsOSName {
		t.Skip()
	}

	ctx, cancel := context.WithCancel(t.Context())
	defer cancel()

	obj, disks, err := prepareErasure16(ctx)
	if err != nil {
		t.Fatalf("Prepare Erasure backend failed - %v", err)
	}
	setObjectLayer(obj)
	defer obj.Shutdown(t.Context())
	defer removeRoots(disks)

	type tamperKind int
	const (
		noTamper tamperKind = iota
		deletePart

	for i, client := range sys.peerClients {
		if client == nil {
			continue
		}
		wg.Add(1)
		go func(client *peerRESTClient, idx int) {
			defer wg.Done()
			ctx, cancel := context.WithTimeout(ctx, 10*time.Second)
			defer cancel()
			info, err := client.ServerInfo(ctx, metrics)
			if err != nil {
				info.Endpoint = client.host.String()
				info.State = string(madmin.ItemOffline)

}

func (c *ilmConfig) getExpirationWorkers() int {
	c.mu.RLock()
	defer c.mu.RUnlock()

	return c.cfg.ExpirationWorkers
}

func (c *ilmConfig) getTransitionWorkers() int {
	c.mu.RLock()
	defer c.mu.RUnlock()

	return c.cfg.TransitionWorkers
}

func (c *ilmConfig) update(cfg ilm.Config) {
	c.mu.Lock()
	defer c.mu.Unlock()

	c.cfg = cfg

		srQueueStats: newInQueueStats(r, "site"),
	}
}

func (q *queueCache) update() {
	q.Lock()
	defer q.Unlock()
	q.srQueueStats.update()
	for _, s := range q.bucketStats {
		s.update()
	}
}

func (q *queueCache) getBucketStats(bucket string) InQueueMetric {
	q.RLock()
	defer q.RUnlock()
	v, ok := q.bucketStats[bucket]
	if !ok {
		return InQueueMetric{}
	}
	return InQueueMetric{

// username.
func (l *Config) LookupUserDN(username string) (*xldap.DNSearchResult, []string, error) {
	conn, err := l.LDAP.Connect()
	if err != nil {
		return nil, nil, err
	}
	defer conn.Close()

	// Bind to the lookup user account
	if err = l.LDAP.LookupBind(conn); err != nil {
		return nil, nil, err
	}

	// Lookup user DN
	lookupRes, err := l.LDAP.LookupUsername(conn, username)

func TestShuffleDisks(t *testing.T) {
	ctx, cancel := context.WithCancel(t.Context())
	defer cancel()

	nDisks := 16
	disks, err := getRandomDisks(nDisks)
	if err != nil {
		t.Fatal(err)
	}
	objLayer, _, err := initObjectLayer(ctx, mustGetPoolEndpoints(0, disks...))
	if err != nil {
		removeRoots(disks)
		t.Fatal(err)
	}
	defer removeRoots(disks)
	z := objLayer.(*erasureServerPools)
	testShuffleDisks(t, z)
}

		defer fmt.Println(c.Local, "->", c.Remote, "WaitForConnect done")
	}
	c.connChange.L.Lock()
	if atomic.LoadUint32((*uint32)(&c.state)) == StateConnected {
		c.connChange.L.Unlock()
		// Happy path.
		return nil
	}
	ctx, cancel := context.WithCancel(ctx)
	defer cancel()
	changed := make(chan State, 1)
	go func() {
		defer xioutil.SafeClose(changed)
		for {

	initialized bool
	group       *singleflight.Group
	metadataMap map[string]BucketMetadata
}

// Count returns number of bucket metadata map entries.
func (sys *BucketMetadataSys) Count() int {
	sys.RLock()
	defer sys.RUnlock()

	return len(sys.metadataMap)
}

// Remove bucket metadata from memory.
func (sys *BucketMetadataSys) Remove(buckets ...string) {
	sys.Lock()
	for _, bucket := range buckets {

				write([]byte{1})
				write([]byte(err.Error()))
			} else {
				write([]byte{0})
			}
			xioutil.SafeClose(doneCh)
			return
		}
		defer xioutil.SafeClose(doneCh)
		// Initiate ticker after body has been read.
		ticker := time.NewTicker(time.Second * 10)
		defer ticker.Stop()

		for {
			select {
			case <-ticker.C:
				// The done() might have been called
				// concurrently, check for it before we