given:
        def byteBuffer = createTestInstance()
        def bytesOut = new ByteArrayOutputStream(byteBuffer.totalBytesUnread())

        when:
        byteBuffer.writeTo(bytesOut)

        then:
        bytesOut.toByteArray() == testbuffer
    }

    def "can copy buffer to OutputStream one-by-one"() {
        given:
        def byteBuffer = createTestInstance()