return filepath.Walk(root, func(path string, info fs.FileInfo, err error) error {
			return fn(path, fs.FileInfoToDirEntry(info), err)
		})
	}
	testWalk(t, walk, 1)
}

func TestWalkDir(t *testing.T) {
	testWalk(t, filepath.WalkDir, 2)
}

func testWalk(t *testing.T, walk func(string, fs.WalkDirFunc) error, errVisit int) {
	if runtime.GOOS == "ios" {
		restore := chtmpdir(t)
		defer restore()