if elements%paths != 0 {
		b.Fatal("elements must be divisible by the number of paths")
	}
	var pathNames [paths]string
	for i := range pathNames[:] {
		pathNames[i] = fmt.Sprintf("prefix/%d", i)
	}
	for i := 0; i < elements; i++ {
		bm.findCache(listPathOptions{
			ID:           mustGetUUID(),
			Bucket:       "",
			BaseDir:      pathNames[i%paths],
			Prefix:       "",
			FilterPrefix: "",
			Marker:       "",
			Limit:        0,

	if pathName == "." || pathName == ".." || pathName == slashSeparator {
		return errFileAccessDenied
	}

	// Check each path segment length is > 255 on all Unix
	// platforms, look for this value as NAME_MAX in
	// /usr/include/linux/limits.h
	var count int64
	for _, p := range pathName {
		switch p {
		case '/':
			count = 0 // Reset
		case '\\':

		f := runtime.FuncForPC(pc[i] - 1) // TODO: use runtime.CallersFrames
		if f == nil {
			t.Fatalf("expected non-nil Func for pc %d", pc[i])
		}
		fname := f.Name()
		// Remove the prepended pathname from automatically
		// generated cgo function names.
		if strings.HasPrefix(fname, "_") {
			fname = path.Base(f.Name()[1:])
		}
		// In module mode, this package has a fully-qualified import path.