LocalCache<?, ?> map = CacheTesting.toLocalCache(cache);

    assertThat(map.segments).hasLength(4);
    // 1 is as low as it goes, not 0. it feels dirty to know this/test this.
    assertEquals(1, map.segments[0].table.length());
    assertEquals(1, map.segments[1].table.length());
    assertEquals(1, map.segments[2].table.length());

    LocalCache<?, ?> map = CacheTesting.toLocalCache(cache);

    assertThat(map.segments).hasLength(4);
    // 1 is as low as it goes, not 0. it feels dirty to know this/test this.
    assertEquals(1, map.segments[0].table.length());
    assertEquals(1, map.segments[1].table.length());
    assertEquals(1, map.segments[2].table.length());

      0

      """.trimIndent()
    val entryBody = "abc"
    val journalBody = """libcore.io.DiskLruCache
1
201105
2

DIRTY $urlKey
CLEAN $urlKey ${entryMetadata.length} ${entryBody.length}
"""
    fileSystem.createDirectory(cache.directoryPath)
    writeFile(cache.directoryPath, "$urlKey.0", entryMetadata)