want := []string{".", "link"}
	if fmt.Sprintf("%q", visited) != fmt.Sprintf("%q", want) {
		t.Errorf("unexpected paths visited %q, want %q", visited, want)
	}
}

func TestWalkSymlink(t *testing.T) {
	testenv.MustHaveSymlink(t)
	testWalkSymlink(t, os.Symlink)
}

func TestIssue29372(t *testing.T) {
	tmpDir := t.TempDir()

	path := filepath.Join(tmpDir, "file.txt")
	err := os.WriteFile(path, nil, 0644)

	output, _ := exec.Command("cmd", "/c", "mklink", "/?").Output()
	if !strings.Contains(string(output), fmt.Sprintf(" /%s ", linktype)) {
		t.Skipf(`skipping test; mklink does not supports /%s parameter`, linktype)
	}
	testWalkSymlink(t, func(target, link string) error {
		output, err := exec.Command("cmd", "/c", "mklink", "/"+linktype, link, target).CombinedOutput()
		if err != nil {

	if err == nil {
		t.Fatalf("Walk: got no error, want error")
	}
	if err.Error() != "returned from function" {
		t.Fatalf("Walk: got error %v, want \"returned from function\" error", err)
	}
}

func TestWalkSymlink(t *testing.T) {
	testenv.MustHaveSymlink(t)

	initOverlay(t, `{
	"Replace": {"overlay_symlink/file": "symlink/file"}
}
-- dir/file --`)

	// Create symlink