}, {
		in: []sparseEntry{{0, 0}}, size: -100,
		wantValid: false,
	}, {
		in: []sparseEntry{{math.MaxInt64, 3}, {6, -5}}, size: 35,
		wantValid: false,
	}, {
		in: []sparseEntry{{1, 3}, {6, -5}}, size: 35,
		wantValid: false,
	}, {
		in: []sparseEntry{{math.MaxInt64, math.MaxInt64}}, size: math.MaxInt64,
		wantValid: false,
	}, {
		in: []sparseEntry{{3, 3}}, size: 5,
		wantValid: false,
	}, {

	{"BETWEEN_64_MB_AND_128_MB", humanize.MiByte * 64, humanize.MiByte*128 - 1},
	{"BETWEEN_128_MB_AND_512_MB", humanize.MiByte * 128, humanize.MiByte*512 - 1},
	{"GREATER_THAN_512_MB", humanize.MiByte * 512, math.MaxInt64},
}

// ObjectsHistogramIntervals is the list of all intervals
// of object sizes to be included in objects histogram.
// Note: this histogram expands 1024B-1MB to incl. 1024B-64KB, 64KB-256KB, 256KB-512KB and 512KB-1MiB

	tests := []struct {
		name string
		in   interface{}
		out  string
	}{
		{"int", math.MaxInt64, "9223372036854775807"},
		{"int8", int8(math.MaxInt8), "127"},
		{"int16", int16(math.MaxInt16), "32767"},
		{"int32", int32(math.MaxInt32), "2147483647"},
		{"int64", int64(math.MaxInt64), "9223372036854775807"},
		{"uint", uint(math.MaxUint64), "18446744073709551615"},
		{"uint8", uint8(math.MaxUint8), "255"},

	switch rval := result.(type) {
	case string:
		return FromString(rval), nil
	case float64:
		return FromFloat(rval), nil
	case int64:
		return FromInt(rval), nil
	case uint64:
		if rval <= math.MaxInt64 {
			return FromInt(int64(rval)), nil
		}
		return FromFloat(float64(rval)), nil
	case bool:
		return FromBool(rval), nil
	case jstream.KVS:
		bs, err := json.Marshal(result)
		if err != nil {

			return cfg, err
		}
		if maxVersions <= 0 {
			return cfg, fmt.Errorf("invalid object max versions value: %v", maxVersions)
		}
		cfg.ObjectMaxVersions = maxVersions
	} else {
		cfg.ObjectMaxVersions = math.MaxInt64
	}

	return cfg, nil

	return t.syncEvents
}

func (t *apiConfig) getObjectMaxVersions() int64 {
	t.mu.RLock()
	defer t.mu.RUnlock()

	if t.objectMaxVersions <= 0 {
		// defaults to 'IntMax' when unset.
		return math.MaxInt64
	}

	return t.objectMaxVersions

		if err == nil && p >= 0 {
			directoryEndOffset = p
			err = readDirectory64End(r, p, d)
		}
		if err != nil {
			return nil, 0, err
		}
	}

	maxInt64 := uint64(1<<63 - 1)
	if d.directorySize > maxInt64 || d.directoryOffset > maxInt64 {
		return nil, 0, ErrFormat
	}

	baseOffset = directoryEndOffset - int64(d.directorySize) - int64(d.directoryOffset)

		wantSize  int64
		wantName  string
		wantErr   error
	}{{
		inputHdrs: nil,
		wantErr:   nil,
	}, {
		inputHdrs: map[string]string{
			paxGNUSparseNumBlocks: strconv.FormatInt(math.MaxInt64, 10),
			paxGNUSparseMap:       "0,1,2,3",
		},
		wantErr: ErrHeader,
	}, {
		inputHdrs: map[string]string{
			paxGNUSparseNumBlocks: "4\x00",
			paxGNUSparseMap:       "0,1,2,3",
		},

		return false
	}
	var pre sparseEntry
	for _, cur := range sp {
		switch {
		case cur.Offset < 0 || cur.Length < 0:
			return false // Negative values are never okay
		case cur.Offset > math.MaxInt64-cur.Length:
			return false // Integer overflow with large length
		case cur.endOffset() > size:
			return false // Region extends beyond the actual size
		case pre.endOffset() > cur.Offset:

		}
		if _, err := io.Copy(io.Discard, r); err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
	}
}

func TestBaseOffsetPlusOverflow(t *testing.T) {
	// directoryOffset > maxInt64 && size-directoryOffset < 0
	data := []byte{
		0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
		0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
		0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,