RemoveAll(path string) error
	Remove(name string) error

	// from "os"
	ReadFile(filename string) ([]byte, error)
	TempDir(dir, prefix string) (string, error)
	TempFile(dir, prefix string) (File, error)
	ReadDir(dirname string) ([]os.DirEntry, error)
	Walk(root string, walkFn filepath.WalkFunc) error
}

// File is an interface that we can use to mock various filesystem operations typically

import (
	"bytes"
	"image"
	"os"
	"path/filepath"
	"strings"
	"testing"
)

func FuzzDecode(f *testing.F) {
	if testing.Short() {
		f.Skip("Skipping in short mode")
	}

	testdata, err := os.ReadDir("../testdata")
	if err != nil {
		f.Fatalf("failed to read testdata directory: %s", err)
	}
	for _, de := range testdata {
		if de.IsDir() || !strings.HasSuffix(de.Name(), ".jpeg") {
			continue
		}

	d, err := Open(dir)
	if err != nil {
		t.Fatal(err)
	}
	defer d.Close()
	fis, err := d.Readdir(2) // notably, greater than zero
	if len(fis) == 0 && err == nil {
		// This is what used to happen (Issue 16919)
		t.Fatal("Readdir = empty slice & err == nil")
	}
	if len(fis) != 0 || err != io.EOF {
		t.Errorf("Readdir = %d entries: %v; want 0, io.EOF", len(fis), err)
		for i, fi := range fis {

		return &buf
	},
}

func (d *dirInfo) close() {
	d.h = 0
	if d.buf != nil {
		dirBufPool.Put(d.buf)
		d.buf = nil
	}
}

// allowReadDirFileID indicates whether File.readdir should try to use FILE_ID_BOTH_DIR_INFO
// if the underlying file system supports it.
// Useful for testing purposes.
var allowReadDirFileID = true

func (d *dirInfo) init(h syscall.Handle) {
	d.h = h

	return fs.ReadFile(fsOnly{fsys}, name)
}

func (fsys MapFS) Stat(name string) (fs.FileInfo, error) {
	return fs.Stat(fsOnly{fsys}, name)
}

func (fsys MapFS) ReadDir(name string) ([]fs.DirEntry, error) {
	return fs.ReadDir(fsOnly{fsys}, name)
}

func (fsys MapFS) Glob(pattern string) ([]string, error) {
	return fs.Glob(fsOnly{fsys}, pattern)
}

type noSub struct {
	MapFS
}

	t.Helper()
	dirs, err := f.ReadDir(name)
	if err != nil {
		t.Error(err)
		return
	}
	var names []string
	for _, d := range dirs {
		name := d.Name()
		if d.IsDir() {
			name += "/"
		}
		names = append(names, name)
	}
	if !reflect.DeepEqual(names, expect) {
		t.Errorf("readdir %v = %v, want %v", name, names, expect)
	}
}

// Tests for issue 49514.

			// In this case, delete ready file and print a warning for it.
			klog.Warningf("volume ready file dir %s exist, but volume dir %s does not. Remove ready dir", readyDir, dir)
			if err := os.RemoveAll(readyDir); err != nil && !os.IsNotExist(err) {
				klog.Warningf("failed to remove ready dir [%s]: %v", readyDir, err)
			}
		}
	}

	switch {
	case ed.medium == v1.StorageMediumDefault:
		err = ed.setupDir(dir)

// and returns a set of the filenames copied.
func copyBinaries(srcDir string, targetDirs []string) (sets.String, error) {
	copiedFilenames := sets.String{}
	srcFiles, err := os.ReadDir(srcDir)
	if err != nil {
		return copiedFilenames, err
	}

	for _, f := range srcFiles {
		if f.IsDir() {
			continue
		}

		filename := f.Name()
		srcFilepath := filepath.Join(srcDir, filename)

import (
	"bytes"
	"image"
	"os"
	"path/filepath"
	"strings"
	"testing"
)

func FuzzDecode(f *testing.F) {
	if testing.Short() {
		f.Skip("Skipping in short mode")
	}

	testdata, err := os.ReadDir("../testdata")
	if err != nil {
		f.Fatalf("failed to read testdata directory: %s", err)
	}
	for _, de := range testdata {
		if de.IsDir() || !strings.HasSuffix(de.Name(), ".gif") {
			continue
		}

	}()
	// This is a blocking call. But the above routine takes care of ensuring that this is terminated once the queue is shutdown
	c.processQueueItems(ctx, 1)

	timestamp := now.Format(timestampFormat)
	logs, err := os.ReadDir(dir)
	require.NoError(t, err)
	assert.Len(t, logs, 5)
	assert.Equal(t, testLogs[0], logs[0].Name())
	assert.Equal(t, testLogs[1]+"."+timestamp, logs[1].Name())
	assert.Equal(t, testLogs[4]+compressSuffix, logs[2].Name())