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

	obj, fsDir, err := prepareFS(ctx)
	if err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(fsDir)
	if err = newTestConfig(globalMinioDefaultRegion, obj); err != nil {
		t.Fatal(err)
	}

	creds := globalActiveCred
	token, err := getTokenString(creds.AccessKey, creds.SecretKey)
	if err != nil {

		globalTrace.Publish(osTrace(s, startTime, duration, strings.Join(paths, " -> "), err))
	}
}

// RemoveAll captures time taken to call the underlying os.RemoveAll
func RemoveAll(dirPath string) (err error) {
	defer updateOSMetrics(osMetricRemoveAll, dirPath)(err)
	return os.RemoveAll(dirPath)
}

// Mkdir captures time taken to call os.Mkdir
func Mkdir(dirPath string, mode os.FileMode) (err error) {

func TestDoesPresignedV2SignatureMatch(t *testing.T) {
	ctx, cancel := context.WithCancel(t.Context())
	defer cancel()

	obj, fsDir, err := prepareFS(ctx)
	if err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(fsDir)
	if err = newTestConfig(globalMinioDefaultRegion, obj); err != nil {
		t.Fatal(err)
	}

	now := UTCNow()

	var (
		accessKey = globalActiveCred.AccessKey
		secretKey = globalActiveCred.SecretKey
	)

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

	// Remove the object - to simulate the case where the disk was down when the object
	// was created.
	err = removeAll(pathJoin(disk.String(), bucket, object))
	if err != nil {
		t.Fatal(err)
	}

	// Checking abandoned parts should do nothing

func TestFixFormatV3(t *testing.T) {
	erasureDirs, err := getRandomDisks(8)
	if err != nil {
		t.Fatal(err)
	}
	for _, erasureDir := range erasureDirs {
		defer os.RemoveAll(erasureDir)
	}
	endpoints := mustGetNewEndpoints(0, 8, erasureDirs...)

	storageDisks, errs := initStorageDisksWithErrors(endpoints, storageOpts{cleanUp: false, healthCheck: false})
	for _, err := range errs {

		},
		{
			name: "rootfile3",
			size: 1000,
		},
		{
			name: "dir1/dira/dirasub/fileindira2",
			size: 200,
		},
	}
	createUsageTestFiles(t, base, bucket, files)
	err = os.RemoveAll(filepath.Join(base, bucket, "dir1/dira/dirasub/dcfile"))
	if err != nil {
		t.Fatal(err)
	}
	// Changed dir must be picked up in this many cycles.
	for range dataUsageUpdateDirCycles {

        @Override
        public boolean addAll(final int index, final Collection<? extends E> c) {
            return parent.addAll(index, c);
        }

        @Override
        public boolean removeAll(final Collection<?> c) {
            return parent.retainAll(c);
        }

        @Override
        public boolean retainAll(final Collection<?> c) {
            return parent.retainAll(c);
        }

		// and successfully returns initialized object layer.
		disk := filepath.Join(globalTestTmpDir, "minio-"+nextSuffix())
		erasureDisks = append(erasureDisks, disk)
		defer os.RemoveAll(disk)
	}

	endpoints := mustGetNewEndpoints(0, 16, erasureDisks...)
	_, _, err := waitForFormatErasure(true, endpoints, 1, 0, 16, "")
	if err != errInvalidArgument {
		t.Fatalf("Expecting error, got %s", err)

			memberOf := cache.iamUserGroupMemberships[accessKey].ToSlice()
			for _, group := range memberOf {
				_, removeErr := removeMembersFromGroup(ctx, store, cache, group, []string{accessKey}, true)
				if removeErr == errNoSuchGroup {
					removeErr = nil
				}
				if removeErr != nil {
					return removeErr
				}
			}
		}

		// 2. Remove any derived credentials from memory
		if userType == regUser {

	defer cancel()

	obj, fsDirs, err := prepareErasurePools()
	if err != nil {
		t.Fatal("Unable to initialize 'Erasure' object layer.", err)
	}
	// Remove all dirs.
	for _, dir := range fsDirs {
		defer os.RemoveAll(dir)
	}

	bucketName := "bucket"
	objectName := "myobject"
	err = obj.MakeBucket(ctx, bucketName, MakeBucketOptions{
		VersioningEnabled: true,
	})
	if err != nil {
		t.Fatal(err)
	}