generateSomeGarbageFiles()
    createJournal("CLEAN k1 1 1 1")
    createNewCache()
    assertGarbageFilesAllDeleted()
    assertThat(cache["k1"]).isNull()
  }

  @Test
  fun keyWithSpaceNotPermitted() {
    assertFailsWith<IllegalArgumentException> {
      cache.edit("my key")
    }
  }

  @Test
  fun keyWithNewlineNotPermitted() {
    assertFailsWith<IllegalArgumentException> {