assertThat(readFileOrNull(getDirtyFile("k1", 0))).isNull()
  }

  private fun assertJournalEquals(vararg expectedBodyLines: String) {
    assertThat(readJournalLines()).isEqualTo(
      listOf(DiskLruCache.MAGIC, DiskLruCache.VERSION_1, "100", "2", "") + expectedBodyLines,
    )
  }

  private fun createJournal(vararg bodyLines: String) {
    createJournalWithHeader(