if _, err := readDir("/tmp/non-existent-directory"); err != errFileNotFound {
		t.Fatalf("expected = %s, got: %s", errFileNotFound, err)
	}

	file := path.Join(os.TempDir(), "issue")
	if err := os.WriteFile(file, []byte(""), 0o644); err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(file)

	// Check if file is given.
	if _, err := readDir(path.Join(file, "mydir")); err != errFileNotFound {

	for i := range item {
		err := enc.Encode(item[i])
		if err != nil {
			return err
		}
	}
	b := buf.Bytes()

	path := filepath.Join(store.directory, key+store.fileExt)
	err := os.WriteFile(path, b, os.FileMode(0o770))
	buf.Reset()
	if err != nil {
		return err
	}

	// Increment the item count.
	store.entries[key] = time.Now().UnixNano()

	return nil
}

	}
	fi2, err := os.Stat(tmpFile)
	if err != nil {
		t.Fatalf("Error Stat(): %v", err)
	}
	if !SameFile(fi1, fi2) {
		t.Fatal("Expected the files to be same")
	}
	if err = os.WriteFile(tmpFile, []byte("aaa"), 0o644); err != nil {
		t.Fatal(err)
	}
	fi2, err = os.Stat(tmpFile)
	if err != nil {
		t.Fatalf("Error Stat(): %v", err)
	}
	if SameFile(fi1, fi2) {

	if err = os.Mkdir(slashpath.Join(permDeniedDir, "mybucket"), 0o775); err != nil {
		t.Fatalf(fmt.Sprintf("Unable to create temporary directory %v. %v", slashpath.Join(permDeniedDir, "mybucket"), err))
	}

	if err = os.WriteFile(slashpath.Join(permDeniedDir, "mybucket", "myobject"), []byte(""), 0o400); err != nil {
		t.Fatalf(fmt.Sprintf("Unable to create file %v. %v", slashpath.Join(permDeniedDir, "mybucket", "myobject"), err))
	}

	b, err := json.Marshal(m)
	if err != nil {
		t.Fatal(err)
	}

	if err = os.MkdirAll(pathJoin(rootPath, minioMetaBucket), os.FileMode(0o755)); err != nil {
		t.Fatal(err)
	}

	if err = os.WriteFile(pathJoin(rootPath, minioMetaBucket, formatConfigFile), b, os.FileMode(0o644)); err != nil {
		t.Fatal(err)
	}

	formatData, _, err := formatErasureMigrate(rootPath)
	if err != nil {
		t.Fatal(err)
	}

							}
							err = os.WriteFile(fn+".json", []byte(filemap[file][name+".json"]), os.ModePerm)
							combineFiles[name] = append(combineFiles[name], fn)
							if err != nil {
								fmt.Println("WriteFile:", err)
							}
							err = os.WriteFile(filepath.Dir(fn)+"/filename.txt", []byte(file), os.ModePerm)
							if err != nil {
								fmt.Println("combine WriteFile:", err)
							}
						}
					}

	uuid, _ := uuid2.NewRandom()
	for _, drive := range fsDirs {
		dir := path.Join(drive, bucket, object, uuid.String())
		err = os.MkdirAll(dir, os.ModePerm)
		if err != nil {
			t.Fatal(err)
		}
		err = os.WriteFile(pathJoin(dir, "part.1"), []byte("some data"), os.ModePerm)
		if err != nil {
			t.Fatal(err)
		}
	}

	// This should remove all the unreferenced parts.

		/dev/2 /path/to/1/2 type2 flags,1,2=3 2 2
                /dev/3 /path/to/1.1 type3 flags,1,2=3 3 3
		`
	var err error
	dir := t.TempDir()
	mountsPath := filepath.Join(dir, "mounts")
	if err = os.WriteFile(mountsPath, []byte(successCase), 0o666); err != nil {
		t.Fatal(err)
	}
	// Failure case where we detected successfully cross device mounts.
	{
		absPaths := []string{"/path/to/1"}

			if err != nil {
				t.Fatal(err)
			}
			i := pj.Iter()
			cpy := i
			b, err := cpy.MarshalJSON()
			if err != nil {
				t.Fatal(err)
			}
			if false {
				t.Log(string(b))
			}
			// _ = os.WriteFile(filepath.Join("testdata", tt.name+".json"), b, os.ModePerm)

		parser:
			for {
				var next simdjson.Iter
				typ, err := i.AdvanceIter(&next)
				if err != nil {
					t.Fatal(err)
				}
				switch typ {

	for _, f := range files {
		err := os.MkdirAll(filepath.Dir(filepath.Join(base, bucket, f.name)), os.ModePerm)
		if err != nil {
			t.Fatal(err)
		}
		err = os.WriteFile(filepath.Join(base, bucket, f.name), make([]byte, f.size), os.ModePerm)
		if err != nil {
			t.Fatal(err)
		}
	}
}

// generateUsageTestFiles create nFolders * nFiles files of size bytes each.