verify(configurationCacheRoundtripOf(factory()))
    }

    private
    fun <T : Any> javaSerializationRoundtripOf(bean: T): T =
        javaDeserialize(javaSerialize(bean)).uncheckedCast()

    private
    fun <T : Any> javaSerialize(bean: T): ByteArray =
        ByteArrayOutputStream().let { bytes ->
            ObjectOutputStream(bytes).useToRun {
                writeObject(bean)
            }