assertThat(cache.size()).isEqualTo(4)
    assertThat(cache["a"]).isNull()
    assertThat(cache.size()).isEqualTo(2)
  }

  @Test
  fun rebuildJournalFailureAllowsEvictAll() {
    while (taskFaker.isIdle()) {
      set("a", "a", "a")
      set("b", "b", "b")
    }

    // Cause the rebuild action to fail.