const chunkSize = 1024
	chunks := int(size / chunkSize)
	// write size bytes plus "END\n" to a zip file
	buf := new(rleBuffer)
	w := NewWriter(buf)
	f, err := w.CreateHeader(&FileHeader{
		Name:   "huge.txt",
		Method: Store,
	})
	if err != nil {
		t.Fatal(err)
	}
	f.(*fileWriter).crc32 = fakeHash32{}
	chunk := make([]byte, chunkSize)
	for i := range chunk {
		chunk[i] = '.'