resource.assertDoesNotExist()
        files[0].assertDoesNotExist()
        files[1].assertDoesNotExist()

        and: // deletes empty parent directories
        findFiles(cacheDir, 'resources-*/*').isEmpty()
        findFiles(cacheDir, 'files-*/*').isEmpty()
    }

    def "cleans up resources and files that were not recently used from caches when retention is configured less than default"() {
        given: