func(w io.Writer) io.Writer { return w },
	}

	rs := []func(io.Reader) io.Reader{
		iotest.DataErrReader,
		func(r io.Reader) io.Reader { return r },
	}

	for ri, rfunc := range rs {
		for wi, wfunc := range ws {
			input := createTestInput(8192)
			b := new(strings.Builder)
			w := NewWriter(wfunc(b))
			r := rfunc(bytes.NewReader(input))

		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after Skip(): %q", len(left), left)
	}
}

func BenchmarkMarshalMsgallTierStats(b *testing.B) {
	v := allTierStats{}
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		v.MarshalMsg(nil)
	}
}

func BenchmarkAppendMsgallTierStats(b *testing.B) {
	v := allTierStats{}
	bts := make([]byte, 0, v.Msgsize())

	dep "istio.io/istio/tools/istio-iptables/pkg/dependencies"
)

func TestIptables(t *testing.T) {
	cases := []struct {
		name        string
		config      func(cfg *Config)
		ingressMode bool
	}{
		{
			name: "default",
			config: func(cfg *Config) {
				cfg.RedirectDNS = true
			},
		},
		{
			name: "tproxy",
			config: func(cfg *Config) {
				cfg.TPROXYRedirection = true
				cfg.RedirectDNS = true

}

// LastConn - returns when the disk is seen to be connected the last time
func (client *storageRESTClient) LastConn() time.Time {
	return client.restClient.LastConn()
}

func (client *storageRESTClient) IsLocal() bool {
	return false
}

func (client *storageRESTClient) Hostname() string {
	return client.endpoint.Host
}

func (client *storageRESTClient) Endpoint() Endpoint {
	return client.endpoint
}

type WaitGroup struct {
	count int32
	done  chan struct{}
}

func NewWaitGroup() *WaitGroup {
	return &WaitGroup{
		done: make(chan struct{}),
	}
}

func NewWaitForNCalls(t *testing.T, n int32) (*WaitGroup, func()) {
	wg := &WaitGroup{
		done: make(chan struct{}),
	}

	wg.Add(n)
	return wg, func() {
		select {
		case <-wg.C():
			return
		case <-time.After(time.Second):

func (p *xlStorageDiskIDCheck) IsLocal() bool {
	return p.storage.IsLocal()
}

func (p *xlStorageDiskIDCheck) Endpoint() Endpoint {
	return p.storage.Endpoint()
}

func (p *xlStorageDiskIDCheck) Hostname() string {
	return p.storage.Hostname()
}

func (p *xlStorageDiskIDCheck) Healing() *healingTracker {
	return p.storage.Healing()
}

	setIndex  int
	poolIndex int

	// getDisks returns list of storageAPIs.
	getDisks func() []StorageAPI

	// getLockers returns list of remote and local lockers.
	getLockers func() ([]dsync.NetLocker, string)

	// getEndpoints returns list of endpoint belonging this set.
	// some may be local and some remote.
	getEndpoints func() []Endpoint

	// getEndpoints returns list of endpoint strings belonging this set.

func (oi ObjectInfo) TraceVersionID() string {
	return oi.VersionID
}

func (m *batchJobMetrics) trace(d batchJobMetric, job string, attempts int) func(info objTraceInfoer, err error) {
	startTime := time.Now()
	return func(info objTraceInfoer, err error) {
		duration := time.Since(startTime)
		if globalTrace.NumSubscribers(madmin.TraceBatch) > 0 {

	isDir   bool
	sys     interface{}
}

func (f dummyFileInfo) Name() string       { return f.name }
func (f dummyFileInfo) Size() int64        { return f.size }
func (f dummyFileInfo) Mode() os.FileMode  { return f.mode }
func (f dummyFileInfo) ModTime() time.Time { return f.modTime }
func (f dummyFileInfo) IsDir() bool        { return f.isDir }
func (f dummyFileInfo) Sys() interface{}   { return f.sys }

	}
	return debug, err
}

func setupPodConfigdumpWriter(kubeClient kube.CLIClient, podName, podNamespace string, includeEds bool, out io.Writer) (*configdump.ConfigWriter, error) {
	debug, err := extractConfigDump(kubeClient, podName, podNamespace, includeEds)
	if err != nil {
		return nil, err
	}
	return setupConfigdumpEnvoyConfigWriter(debug, out)
}

func readFile(filename string) ([]byte, error) {