package fs

import (
	"os"
	"slices"
	"testing"
)

const (
	nonWritableDir = "/usr/lib"
)

func createWorkDir(t *testing.T) (string, func()) {
	t.Helper()
	dir, err := os.MkdirTemp("", "fs-test-workdir")
	if err != nil {
		t.Fatalf("create temp dir: %s", err)
	}
	return dir, func() {
		if err := os.RemoveAll(dir); err != nil {
			t.Fatalf("remove temp dir: %s", err)
		}
	}
}

type sampleData struct {
	data []byte
}

func (sd *sampleData) UnmarshalBinary(data []byte) error {
	sd.data = slices.Clone(data)
	return nil
}

func (sd sampleData) MarshalBinary() (data []byte, err error) {
	return sd.data, nil
}