when:
        def stream = output.start(0)
        stream.writeInt(123)
        stream.writeByte(12)
        output.done()

        then:
        file.length() == 5
        file.seek(0)
        file.readInt() == 123
        file.readByte() == 12

        when:
        stream = output.start(5)
        stream.writeInt(321)
        output.done()

        then:
        file.length() == 9

func (z LockResp) EncodeMsg(en *msgp.Writer) (err error) {
	// map header, size 2
	// write "Code"
	err = en.Append(0x82, 0xa4, 0x43, 0x6f, 0x64, 0x65)
	if err != nil {
		return
	}
	err = en.WriteUint8(uint8(z.Code))
	if err != nil {
		err = msgp.WrapError(err, "Code")
		return
	}
	// write "Err"
	err = en.Append(0xa3, 0x45, 0x72, 0x72)
	if err != nil {
		return
	}

}

func (a *FuncInfo) Write(w *bytes.Buffer) {
	writeUint8 := func(x uint8) {
		w.WriteByte(x)
	}
	var b [4]byte
	writeUint32 := func(x uint32) {
		binary.LittleEndian.PutUint32(b[:], x)
		w.Write(b[:])
	}

	writeUint32(a.Args)
	writeUint32(a.Locals)
	writeUint8(uint8(a.FuncID))
	writeUint8(uint8(a.FuncFlag))
	writeUint8(0) // pad to uint32 boundary
	writeUint8(0)
	writeUint32(uint32(a.StartLine))

    @Override
    public void writeSmallLong(long value) {
        output.writeLong(value, true);
    }

    @Override
    public void writeInt(int value) {
        output.writeInt(value);
    }

    @Override
    public void writeSmallInt(int value) {
        output.writeInt(value, true);
    }

    @Override
    public void writeShort(short value) throws IOException {
        output.writeShort(value);
    }

        } catch( UnsupportedEncodingException uee ) {
            return 0;
        }

        writeInt2( NET_SHARE_ENUM, dst, dstIndex );
        dstIndex += 2;
        System.arraycopy( descr, 0, dst, dstIndex, descr.length );
        dstIndex += descr.length;
        writeInt2( 0x0001, dst, dstIndex );
        dstIndex += 2;
        writeInt2( maxDataCount, dst, dstIndex );
        dstIndex += 2;

        return dstIndex - start;
    }

            return 0;
        }

        SMBUtil.writeInt2(NET_SHARE_ENUM, dst, dstIndex);
        dstIndex += 2;
        System.arraycopy(descr, 0, dst, dstIndex, descr.length);
        dstIndex += descr.length;
        SMBUtil.writeInt2(0x0001, dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt2(this.maxDataCount, dst, dstIndex);
        dstIndex += 2;

        return dstIndex - start;

            byte[] raw = p.getRaw();
            SMBUtil.writeInt2(p.getType(), enc, pos);
            SMBUtil.writeInt2(raw.length, enc, pos + 2);
            System.arraycopy(raw, 0, enc, pos + 4, raw.length);
            pos += 4 + raw.length;
        }

        // MsvAvEOL
        SMBUtil.writeInt2(AvPair.MsvAvEOL, enc, pos);
        SMBUtil.writeInt2(0, enc, pos + 2);
        pos += 4;
        return enc;
    }

      frameHeader(
        streamId = 0,
        length = 8,
        type = TYPE_PING,
        flags = if (ack) FLAG_ACK else FLAG_NONE,
      )
      sink.writeInt(payload1)
      sink.writeInt(payload2)
      sink.flush()
    }
  }

  /**
   * Tell the peer to stop creating streams and that we last processed `lastGoodStreamId`, or zero
   * if no streams were processed.
   *

    }

    def cleanup() {
        file.close()
    }

    def "can reuse to read from multiple locations in file"() {
        given:
        file.seek(0)
        file.writeInt(123)
        file.writeInt(321)
        file.writeInt(456)

        expect:
        def stream = input.start(0)
        stream.readInt() == 123
        stream.readInt() == 321
        input.done()

        def stream2 = input.start(4)

    }

    override fun defaultWriteObject() = record {
        beanStateWriterFor(beanType).run {
            writeStateOf(bean)
        }
    }

    override fun writeInt(`val`: Int) = record {
        writeInt(`val`)
    }

    override fun writeUTF(str: String) = record {
        writeString(str)
    }

    override fun writeObjectOverride(obj: Any?) = record {
        write(obj)
    }