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

// generateUsageTestFiles create nFolders * nFiles files of size bytes each.
func generateUsageTestFiles(t *testing.T, base, bucket string, nFolders, nFiles, size int) {
	pl := make([]byte, size)
	for i := 0; i < nFolders; i++ {
		name := filepath.Join(base, bucket, fmt.Sprint(i), "0.txt")

}

// Tests initializing new object layer.
func TestNewObjectLayer(t *testing.T) {
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()
	// Tests for ErasureSD object layer.
	nDisks := 1
	disks, err := getRandomDisks(nDisks)
	if err != nil {
		t.Fatal("Failed to create drives for the backend")
	}
	defer removeRoots(disks)

	obj, err := newObjectLayer(ctx, mustGetPoolEndpoints(0, disks...))
	if err != nil {

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"context"
	"testing"
)

func prepareErasurePools() (ObjectLayer, []string, error) {
	nDisks := 32
	fsDirs, err := getRandomDisks(nDisks)
	if err != nil {
		return nil, nil, err
	}

	pools := mustGetPoolEndpoints(0, fsDirs[:16]...)
	pools = append(pools, mustGetPoolEndpoints(1, fsDirs[16:]...)...)

			if !ok {
				continue
			}
		}

		if d.State != madmin.DriveStateOk && d.State != madmin.DriveStateUnformatted {
			metrics[d.Endpoint] = madmin.DiskMetric{NDisks: 1, Offline: 1}
			continue
		}

		var dm madmin.DiskMetric
		dm.NDisks = 1
		if d.Healing {
			dm.Healing++
		}
		if d.Metrics != nil {
			dm.LifeTimeOps = make(map[string]uint64, len(d.Metrics.APICalls))

	}

	var available uint64
	var total uint64
	var nDisks int
	for _, disk := range di {
		if disk == nil || disk.Total == 0 {
			// Disk offline, no inodes or something else is wrong.
			continue
		}
		nDisks++
		total += disk.Total
		available += disk.Total - disk.Used
	}

	if nDisks < len(di)/2 || nDisks <= 0 {

}

func BenchmarkInitStorageDisksMax(b *testing.B) {
	benchmarkInitStorageDisksN(b, 32*204)
}

func benchmarkInitStorageDisksN(b *testing.B, nDisks int) {
	b.ResetTimer()
	b.ReportAllocs()

	fsDirs, err := getRandomDisks(nDisks)
	if err != nil {
		b.Fatal(err)
	}

	endpoints := mustGetNewEndpoints(0, 16, fsDirs...)
	b.RunParallel(func(pb *testing.PB) {
		endpoints := endpoints

	}
	streamLen += calculateSignedChunkLength(0)
	return streamLen
}

func prepareFS(ctx context.Context) (ObjectLayer, string, error) {
	nDisks := 1
	fsDirs, err := getRandomDisks(nDisks)
	if err != nil {
		return nil, "", err
	}
	obj, _, err := initObjectLayer(context.Background(), mustGetPoolEndpoints(0, fsDirs...))
	if err != nil {
		return nil, "", err
	}

// and constructs a valid `Erasure` object
func TestNewErasureSets(t *testing.T) {
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	nDisks := 16 // Maximum disks.
	var erasureDisks []string
	for i := 0; i < nDisks; i++ {
		// Do not attempt to create this path, the test validates
		// so that newErasureSets initializes non existing paths
		// and successfully returns initialized object layer.

	defer func() {
		globalStorageClass.Update(saveSC)
	}()
	globalStorageClass.Update(storageclass.Config{
		Standard: storageclass.StorageClass{
			Parity: 4,
		},
	})

	nDisks := 16
	fsDirs, err := getRandomDisks(nDisks)
	if err != nil {
		t.Fatal(err)
	}

	defer removeRoots(fsDirs)

	// Everything is fine, should return nil

	}
}

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