journalWriter = newJournalWriter()
      }
    }
  }

  @Throws(FileNotFoundException::class)
  private fun newJournalWriter(): BufferedSink {
    val fileSink = fileSystem.appendingSink(journalFile)
    val faultHidingSink =
      FaultHidingSink(fileSink) {
        assertLockHeld()
        hasJournalErrors = true
      }
    return faultHidingSink.buffer()
  }

      "metadataOrNull:/cache",
      "sink:/cache/journal.tmp",
      "metadataOrNull:/cache/journal",
      "atomicMove:/cache/journal.tmp",
      "atomicMove:/cache/journal",
      "appendingSink:/cache/journal",
    )
    events.clear()
    c.size()
    assertThat(events).isEmpty()
  }

  private fun assertFullyCached(response: MockResponse) {