key    string
	}{
		{[]interface{}{"a"}, "a"},
		{[]interface{}{1, 2, 3}, "1_2_3"},
		{[]interface{}{1, nil, 3}, "1_nil_3"},
		{[]interface{}{[]interface{}{1, 2, 3}}, "[1 2 3]"},
		{[]interface{}{[]interface{}{"1", "2", "3"}}, "[1 2 3]"},
		{[]interface{}{[]interface{}{"1", nil, "3"}}, "[1 <nil> 3]"},
	}
	for _, c := range cases {
		if key := ToStringKey(c.values...); key != c.key {

		{Request: mustNewRequest(http.MethodGet, "http://127.0.0.1:9000", 0, nil, t), ErrCode: ErrAccessDenied},
		{Request: mustNewSignedRequest(http.MethodGet, "http://127.0.0.1:9000", 0, nil, t), ErrCode: ErrNone},
		{Request: mustNewSignedV2Request(http.MethodGet, "http://127.0.0.1:9000", 0, nil, t), ErrCode: ErrAccessDenied},
		{Request: mustNewPresignedV2Request(http.MethodGet, "http://127.0.0.1:9000", 0, nil, t), ErrCode: ErrAccessDenied},

	combined := Mask(atomic.LoadUint64(&ps.types))
	combined.Merge(Mask(mask.Mask()))
	atomic.StoreUint64(&ps.types, uint64(combined))
	if wg != nil {
		wg.Add(1)
	}
	go func() {
		defer func() {
			if wg != nil {
				wg.Done()
			}
			// Clean up and de-register the subscriber
			ps.Lock()
			defer ps.Unlock()
			var remainTypes Mask
			for i, s := range ps.subs {

	for i := range fivs.Versions {
		fivs.Versions[i].NumVersions = n
	}
	return fivs, nil
}

func getAllFileInfoVersions(xlMetaBuf []byte, volume, path string, allParts bool) (FileInfoVersions, error) {
	var versions []FileInfo
	var err error

	if buf, _, e := isIndexedMetaV2(xlMetaBuf); e != nil {
		return FileInfoVersions{}, e
	} else if buf != nil {
		versions, err = buf.ListVersions(volume, path, allParts)
	} else {

	}

	err := decoder.Err()
	t.Logf("got error: %s", err)
	if err == nil {
		t.Fatalf("missing expected decoder error")
	}

	derr, ok := err.(DecoderError)
	if !ok {
		t.Fatalf("expected error of type DecoderError, got %T", err)
	}

	if derr.ReaderErr() == nil {
		t.Fatalf("missing expected underlying reader error")
	}
}

func TestDecoderMaxDepth(t *testing.T) {

			if err != nil {
				t.Error(err)
			}
			tmpfile.WriteString(testCase.stat)
			tmpfile.Sync()
			tmpfile.Close()

			iostats, err := readDriveStats(tmpfile.Name())
			if err != nil && !testCase.expectErr {
				t.Fatalf("unexpected err; %v", err)
			}
			if testCase.expectErr && err == nil {
				t.Fatal("expected to fail but err is nil")
			}

	v := ServerSystemConfig{}
	bts, err := v.MarshalMsg(nil)
	if err != nil {
		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {

	v := BucketMetadata{}
	bts, err := v.MarshalMsg(nil)
	if err != nil {
		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {

	if v == "" {
		return nil, http.ErrNotMultipart
	}
	if r.Body == nil {
		return nil, errors.New("missing form body")
	}
	d, params, err := mime.ParseMediaType(v)
	if err != nil {
		return nil, http.ErrNotMultipart
	}
	if d != "multipart/form-data" {
		return nil, http.ErrNotMultipart
	}
	boundary, ok := params["boundary"]
	if !ok {
		return nil, http.ErrMissingBoundary
	}

	if disk == nil {
		return nil, errors.New("loadHealingTracker: nil drive given")
	}
	diskID, err := disk.GetDiskID()
	if err != nil {
		return nil, err
	}
	b, err := disk.ReadAll(ctx, minioMetaBucket,
		pathJoin(bucketMetaPrefix, healingTrackerFilename))
	if err != nil {
		return nil, err
	}
	var h healingTracker
	_, err = h.UnmarshalMsg(b)