Ejemplo n.º 1
0
    public void testEncodeDecodeOperations()
    {
        Console.Out.WriteLine("");
        Console.Out.Write("[executing test (testEncodeDecodeOperations)]");

        MsgIn msg1 = new MsgIn();
        MsgIn msg2 = new MsgIn();

        byte[] data1 = new byte[10];
        byte[] data2 = new byte[5];

        for (int i = 0; i < 10; ++i)
        {
            data1[i] = (byte)(10 + i);
        }
        for (int i = 0; i < 5; ++i)
        {
            data2[i] = (byte)(20 + i);
        }

        msg1.getHeader().getHeaderRec().setMessageID(999);

        MsgIn.Body.Sequence.Record3 rec3_i = msg1.getBody().getSequence().getRecord3();

        rec3_i.setField1((sbyte)77);
        rec3_i.getVariableLengthField1().set(10, data1);
        rec3_i.getArray1().setElement1(1, (sbyte)10);
        rec3_i.getArray1().setElement1(3, (sbyte)20);
        rec3_i.getArray1().setElement1(5, (sbyte)30);
        rec3_i.getArray1().setElement1(7, (sbyte)40);
        rec3_i.getArray1().setElement1(9, (sbyte)50);
        rec3_i.getBitField1().setSubfield1((byte)1);
        rec3_i.setFixedLengthString1("ABCDE");
        rec3_i.getVariableField1().setMeterAsUnsignedByteAt1((byte)33);
        rec3_i.setVariableLengthString1("hello world");
        rec3_i.getVariableFormatField1().set((byte)0, 5, data2);

        MsgIn.Body.Sequence.List.Record listrec_i = new MsgIn.Body.Sequence.List.Record();
        msg1.getBody().getSequence().getList().addElement(listrec_i);

        listrec_i.setField1((sbyte)77);
        listrec_i.getVariableLengthField1().set(10, data1);
        listrec_i.getArray1().setElement1(1, (sbyte)60);
        listrec_i.getArray1().setElement1(3, (sbyte)70);
        listrec_i.getArray1().setElement1(5, (sbyte)80);
        listrec_i.getArray1().setElement1(7, (sbyte)90);
        listrec_i.getArray1().setElement1(9, (sbyte)100);
        listrec_i.getBitField1().setSubfield1((byte)1);
        listrec_i.setFixedLengthString1("FGHIJK");
        listrec_i.getVariableField1().setMeterAsUnsignedByteAt1((byte)44);
        listrec_i.setVariableLengthString1("aabbccddeeff");
        listrec_i.getVariableFormatField1().set((byte)0, 5, data2);

        // Variants
        msg1.getBody().getSequence().getVariant().setFieldValue((byte)1); // option 1: Record
        MsgIn.Body.Sequence.Variant.Record varrec_i = msg1.getBody().getSequence().getVariant().getRecord();

        varrec_i.setField1((sbyte)99);
        varrec_i.getVariableLengthField1().set(10, data1);
        varrec_i.getArray1().setElement1(1, (sbyte)65);
        varrec_i.getArray1().setElement1(3, (sbyte)75);
        varrec_i.getArray1().setElement1(5, (sbyte)85);
        varrec_i.getArray1().setElement1(7, (sbyte)95);
        varrec_i.getArray1().setElement1(9, (sbyte)105);
        varrec_i.getBitField1().setSubfield1((byte)1);
        varrec_i.setFixedLengthString1("LMNOPQR");
        varrec_i.getVariableField1().setMeterAsUnsignedByteAt1((byte)55);
        varrec_i.setVariableLengthString1("hello world");
        varrec_i.getVariableFormatField1().set((byte)0, 5, data2);

        byte[] buff        = new byte[1000];
        byte[] fieldBuff_i = new byte[100];
        byte[] fieldBuff_o = new byte[100];

        msg1.encode(buff, 0);
        msg2.decode(buff, 0);

        MsgIn.Body.Sequence.Record3        rec3_o    = msg2.getBody().getSequence().getRecord3();
        MsgIn.Body.Sequence.List.Record    listrec_o = msg2.getBody().getSequence().getList().getElement(0);
        MsgIn.Body.Sequence.Variant.Record varrec_o  = msg2.getBody().getSequence().getVariant().getRecord();

        // *** ensure Record3 was decoded correctly

        // compare non bytefield data
        Assert.AreEqual(rec3_i.getField1(), rec3_o.getField1());
        for (int i = 0; i < 10; ++i)
        {
            Assert.AreEqual(rec3_i.getArray1().getElement1(i), rec3_o.getArray1().getElement1(i));
        }
        Assert.AreEqual(rec3_i.getBitField1().getSubfield1(), rec3_o.getBitField1().getSubfield1());
        Assert.AreEqual(rec3_i.getFixedLengthString1(), rec3_o.getFixedLengthString1());
        Assert.AreEqual(rec3_i.getVariableField1().getMeterAsUnsignedByteAt1(),
                        rec3_o.getVariableField1().getMeterAsUnsignedByteAt1());
        Assert.AreEqual(rec3_i.getVariableLengthString1(), rec3_o.getVariableLengthString1());

        // compare bytefield data
        fieldBuff_i = rec3_i.getVariableLengthField1().getData();
        fieldBuff_o = rec3_o.getVariableLengthField1().getData();
        assertBuffersEqual(fieldBuff_i, fieldBuff_o, 10);

        fieldBuff_i = rec3_i.getVariableFormatField1().getData();
        fieldBuff_o = rec3_o.getVariableFormatField1().getData();
        Assert.AreEqual(rec3_i.getVariableFormatField1().getFormat(),
                        rec3_o.getVariableFormatField1().getFormat());
        assertBuffersEqual(fieldBuff_i, fieldBuff_o, 5);

        // *** ensure Record under List was decoded correctly

        // compare non-bytefield data
        Assert.AreEqual(listrec_i.getField1(), listrec_o.getField1());
        for (int i = 0; i < 10; ++i)
        {
            Assert.AreEqual(listrec_i.getArray1().getElement1(i), listrec_o.getArray1().getElement1(i));
        }
        Assert.AreEqual(listrec_i.getBitField1().getSubfield1(), listrec_o.getBitField1().getSubfield1());
        Assert.AreEqual(listrec_i.getFixedLengthString1(), listrec_o.getFixedLengthString1());
        Assert.AreEqual(listrec_i.getVariableField1().getMeterAsUnsignedByteAt1(),
                        listrec_o.getVariableField1().getMeterAsUnsignedByteAt1());
        Assert.AreEqual(listrec_i.getVariableLengthString1(), listrec_o.getVariableLengthString1());

        // compare bytefield data
        fieldBuff_i = listrec_i.getVariableLengthField1().getData();
        fieldBuff_o = listrec_o.getVariableLengthField1().getData();
        assertBuffersEqual(fieldBuff_i, fieldBuff_o, 10);

        fieldBuff_i = listrec_i.getVariableFormatField1().getData();
        fieldBuff_o = listrec_o.getVariableFormatField1().getData();
        Assert.AreEqual(listrec_i.getVariableFormatField1().getFormat(),
                        listrec_o.getVariableFormatField1().getFormat());
        assertBuffersEqual(fieldBuff_i, fieldBuff_o, 5);

        // *** ensure Record under Variant was decoded correctly.

        // compare non-bytefield data
        Assert.AreEqual(varrec_i.getField1(), varrec_o.getField1());
        for (int i = 0; i < 10; ++i)
        {
            Assert.AreEqual(varrec_i.getArray1().getElement1(i), varrec_o.getArray1().getElement1(i));
        }
        Assert.AreEqual(varrec_i.getBitField1().getSubfield1(), varrec_o.getBitField1().getSubfield1());
        Assert.AreEqual(varrec_i.getFixedLengthString1(), varrec_o.getFixedLengthString1());
        Assert.AreEqual(varrec_i.getVariableField1().getMeterAsUnsignedByteAt1(),
                        varrec_o.getVariableField1().getMeterAsUnsignedByteAt1());
        Assert.AreEqual(varrec_i.getVariableLengthString1(), varrec_o.getVariableLengthString1());

        // compare bytefield data
        fieldBuff_i = varrec_i.getVariableLengthField1().getData();
        fieldBuff_o = varrec_o.getVariableLengthField1().getData();
        assertBuffersEqual(fieldBuff_i, fieldBuff_o, 10);

        fieldBuff_i = varrec_i.getVariableFormatField1().getData();
        fieldBuff_o = varrec_o.getVariableFormatField1().getData();
        Assert.AreEqual(varrec_i.getVariableFormatField1().getFormat(),
                        varrec_o.getVariableFormatField1().getFormat());
        assertBuffersEqual(fieldBuff_i, fieldBuff_o, 5);
    }
Ejemplo n.º 2
0
    public void testEncodeDecodeOperations()
    {
        Console.Out.WriteLine("");
        Console.Out.Write("[executing test (testEncodeDecodeOperations)]");

        MsgIn msg1 = new MsgIn();
        MsgIn msg2 = new MsgIn();

        byte[] data1 = new byte[10];
        byte[] data2 = new byte[5];

        for (int i = 0; i < 10; ++i) {
            data1[i] = (byte)(10+i);
        }
        for (int i = 0; i < 5; ++i) {
            data2[i] = (byte)(20+i);
        }

        msg1.getHeader().getHeaderRec().setMessageID(999);

        MsgIn.Body.Sequence.Record3 rec3_i = msg1.getBody().getSequence().getRecord3();

        rec3_i.setField1((sbyte)77);
        rec3_i.getVariableLengthField1().set(10, data1);
        rec3_i.getArray1().setElement1(1, (sbyte)10);
        rec3_i.getArray1().setElement1(3, (sbyte)20);
        rec3_i.getArray1().setElement1(5, (sbyte)30);
        rec3_i.getArray1().setElement1(7, (sbyte)40);
        rec3_i.getArray1().setElement1(9, (sbyte)50);
        rec3_i.getBitField1().setSubfield1((byte)1);
        rec3_i.setFixedLengthString1("ABCDE");
        rec3_i.getVariableField1().setMeterAsUnsignedByteAt1((byte)33);
        rec3_i.setVariableLengthString1("hello world");
        rec3_i.getVariableFormatField1().set((byte)0, 5, data2);

        MsgIn.Body.Sequence.List.Record listrec_i = new MsgIn.Body.Sequence.List.Record();
        msg1.getBody().getSequence().getList().addElement( listrec_i );

        listrec_i.setField1((sbyte)77);
        listrec_i.getVariableLengthField1().set(10, data1);
        listrec_i.getArray1().setElement1(1, (sbyte)60);
        listrec_i.getArray1().setElement1(3, (sbyte)70);
        listrec_i.getArray1().setElement1(5, (sbyte)80);
        listrec_i.getArray1().setElement1(7, (sbyte)90);
        listrec_i.getArray1().setElement1(9, (sbyte)100);
        listrec_i.getBitField1().setSubfield1((byte)1);
        listrec_i.setFixedLengthString1("FGHIJK");
        listrec_i.getVariableField1().setMeterAsUnsignedByteAt1((byte)44);
        listrec_i.setVariableLengthString1("aabbccddeeff");
        listrec_i.getVariableFormatField1().set((byte)0, 5, data2);

        // Variants
        msg1.getBody().getSequence().getVariant().setFieldValue((byte)1); // option 1: Record
        MsgIn.Body.Sequence.Variant.Record varrec_i = msg1.getBody().getSequence().getVariant().getRecord();

        varrec_i.setField1((sbyte)99);
        varrec_i.getVariableLengthField1().set(10, data1);
        varrec_i.getArray1().setElement1(1, (sbyte)65);
        varrec_i.getArray1().setElement1(3, (sbyte)75);
        varrec_i.getArray1().setElement1(5, (sbyte)85);
        varrec_i.getArray1().setElement1(7, (sbyte)95);
        varrec_i.getArray1().setElement1(9, (sbyte)105);
        varrec_i.getBitField1().setSubfield1((byte)1);
        varrec_i.setFixedLengthString1("LMNOPQR");
        varrec_i.getVariableField1().setMeterAsUnsignedByteAt1((byte)55);
        varrec_i.setVariableLengthString1("hello world");
        varrec_i.getVariableFormatField1().set((byte)0, 5, data2);

        byte[] buff = new byte[1000];
        byte[] fieldBuff_i = new byte[100];
        byte[] fieldBuff_o = new byte[100];

        msg1.encode(buff, 0);
        msg2.decode(buff, 0);

        MsgIn.Body.Sequence.Record3 rec3_o = msg2.getBody().getSequence().getRecord3();
        MsgIn.Body.Sequence.List.Record listrec_o = msg2.getBody().getSequence().getList().getElement(0);
        MsgIn.Body.Sequence.Variant.Record varrec_o = msg2.getBody().getSequence().getVariant().getRecord();

        // *** ensure Record3 was decoded correctly

        // compare non bytefield data
        Assert.AreEqual(rec3_i.getField1(), rec3_o.getField1());
        for (int i = 0; i < 10; ++i) {
            Assert.AreEqual(rec3_i.getArray1().getElement1(i), rec3_o.getArray1().getElement1(i));
        }
        Assert.AreEqual(rec3_i.getBitField1().getSubfield1(), rec3_o.getBitField1().getSubfield1());
        Assert.AreEqual(rec3_i.getFixedLengthString1(), rec3_o.getFixedLengthString1());
        Assert.AreEqual(rec3_i.getVariableField1().getMeterAsUnsignedByteAt1(),
                rec3_o.getVariableField1().getMeterAsUnsignedByteAt1());
        Assert.AreEqual(rec3_i.getVariableLengthString1(), rec3_o.getVariableLengthString1());

        // compare bytefield data
        fieldBuff_i = rec3_i.getVariableLengthField1().getData();
        fieldBuff_o = rec3_o.getVariableLengthField1().getData();
        assertBuffersEqual(fieldBuff_i, fieldBuff_o, 10);

        fieldBuff_i = rec3_i.getVariableFormatField1().getData();
        fieldBuff_o = rec3_o.getVariableFormatField1().getData();
        Assert.AreEqual(rec3_i.getVariableFormatField1().getFormat(),
                rec3_o.getVariableFormatField1().getFormat());
        assertBuffersEqual(fieldBuff_i, fieldBuff_o, 5);

        // *** ensure Record under List was decoded correctly

        // compare non-bytefield data
        Assert.AreEqual(listrec_i.getField1(), listrec_o.getField1());
        for (int i = 0; i < 10; ++i) {
            Assert.AreEqual(listrec_i.getArray1().getElement1(i), listrec_o.getArray1().getElement1(i));
        }
        Assert.AreEqual(listrec_i.getBitField1().getSubfield1(), listrec_o.getBitField1().getSubfield1());
        Assert.AreEqual(listrec_i.getFixedLengthString1(), listrec_o.getFixedLengthString1());
        Assert.AreEqual(listrec_i.getVariableField1().getMeterAsUnsignedByteAt1(),
                listrec_o.getVariableField1().getMeterAsUnsignedByteAt1());
        Assert.AreEqual(listrec_i.getVariableLengthString1(), listrec_o.getVariableLengthString1());

        // compare bytefield data
        fieldBuff_i = listrec_i.getVariableLengthField1().getData();
        fieldBuff_o = listrec_o.getVariableLengthField1().getData();
        assertBuffersEqual(fieldBuff_i, fieldBuff_o, 10);

        fieldBuff_i = listrec_i.getVariableFormatField1().getData();
        fieldBuff_o = listrec_o.getVariableFormatField1().getData();
        Assert.AreEqual(listrec_i.getVariableFormatField1().getFormat(),
                listrec_o.getVariableFormatField1().getFormat());
        assertBuffersEqual(fieldBuff_i, fieldBuff_o, 5);

        // *** ensure Record under Variant was decoded correctly.

        // compare non-bytefield data
        Assert.AreEqual(varrec_i.getField1(), varrec_o.getField1());
        for (int i = 0; i < 10; ++i) {
            Assert.AreEqual(varrec_i.getArray1().getElement1(i), varrec_o.getArray1().getElement1(i));
        }
        Assert.AreEqual(varrec_i.getBitField1().getSubfield1(), varrec_o.getBitField1().getSubfield1());
        Assert.AreEqual(varrec_i.getFixedLengthString1(), varrec_o.getFixedLengthString1());
        Assert.AreEqual(varrec_i.getVariableField1().getMeterAsUnsignedByteAt1(),
                varrec_o.getVariableField1().getMeterAsUnsignedByteAt1());
        Assert.AreEqual(varrec_i.getVariableLengthString1(), varrec_o.getVariableLengthString1());

        // compare bytefield data
        fieldBuff_i = varrec_i.getVariableLengthField1().getData();
        fieldBuff_o = varrec_o.getVariableLengthField1().getData();
        assertBuffersEqual(fieldBuff_i, fieldBuff_o, 10);

        fieldBuff_i = varrec_i.getVariableFormatField1().getData();
        fieldBuff_o = varrec_o.getVariableFormatField1().getData();
        Assert.AreEqual(varrec_i.getVariableFormatField1().getFormat(),
                varrec_o.getVariableFormatField1().getFormat());
        assertBuffersEqual(fieldBuff_i, fieldBuff_o, 5);
    }
Ejemplo n.º 3
0
    public void testEncodeToSpec()
    {
        Console.Out.WriteLine("");
        Console.Out.Write("[executing test (testEncodeToSpec)]");

        // buffer for encoding
        byte[] buff = new byte[10000];

        // *** first test message: activate only Record1, activate all fields inside of record1.
        byte[] data1 = new byte[10];
        byte[] data2 = new byte[5];

        for (int i = 0; i < 10; ++i)
        {
            data1[i] = (byte)(10 + i);
        }
        for (int i = 0; i < 5; ++i)
        {
            data2[i] = (byte)(20 + i);
        }

        MsgIn msg1 = new MsgIn();

        msg1.getHeader().getHeaderRec().setMessageID(999);

        msg1.getBody().getSequence().getRecord1().setField1((sbyte)77);
        msg1.getBody().getSequence().getRecord1().getVariableLengthField1().set(10, data1);
        msg1.getBody().getSequence().getRecord1().getArray1().setElement1(1, (sbyte)10);
        msg1.getBody().getSequence().getRecord1().getArray1().setElement1(3, (sbyte)20);
        msg1.getBody().getSequence().getRecord1().getArray1().setElement1(5, (sbyte)30);
        msg1.getBody().getSequence().getRecord1().getArray1().setElement1(7, (sbyte)40);
        msg1.getBody().getSequence().getRecord1().getArray1().setElement1(9, (sbyte)50);
        msg1.getBody().getSequence().getRecord1().getBitField1().setSubfield1((byte)1);
        msg1.getBody().getSequence().getRecord1().setFixedLengthString1("ABCDE");
        msg1.getBody().getSequence().getRecord1().getVariableField1().setMeterAsUnsignedByteAt1((byte)33);
        msg1.getBody().getSequence().getRecord1().setVariableLengthString1("hello world");
        msg1.getBody().getSequence().getRecord1().getVariableFormatField1().set((byte)0, 5, data2);

        msg1.encode(buff, 0);

        // offset 0:    ushort w/ message ID
        Assert.AreEqual(999, BitConverter.ToUInt16(buff, 0));

        // offset 2:    ushort w/ Sequence's presence vector - should be 1 indicating only first
        // record is present
        Assert.AreEqual(1, BitConverter.ToUInt16(buff, 2));

        // offset 4: unsigned byte w/ Record1's presence vector, 8 bits all on, 255
        Assert.AreEqual(255, buff[4]);

        // offset 5:    signed byte, Field1 fixed field
        Assert.AreEqual(77, buff[5]);

        // offset 6:    uint, variableLengthField1 count field...
        Assert.AreEqual(10, buff[6]);

        // offset 10-19: 10-byte variableLengthField1.
        assertBufferSliceEqual(buff, data1, 10, 10);

        // offset 20: Array1[0]
        Assert.AreEqual(0, buff[20]);

        // offset 21: Array1[1]
        Assert.AreEqual(10, buff[21]);

        // offset 22: Array1[2]
        Assert.AreEqual(0, buff[22]);

        // offset 23: Array1[3]
        Assert.AreEqual(20, buff[23]);

        // offset 25: Array1[5]
        Assert.AreEqual(30, buff[25]);

        // offset 27: Array1[7]
        Assert.AreEqual(40, buff[27]);

        // offset 29: Array1[9]
        Assert.AreEqual(50, buff[29]);

        // offset 30: BitField1, single unsigned byte
        Assert.AreEqual(1, buff[30]);

        // offset 31: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(65, buff[31]);

        // offset 32: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(66, buff[32]);

        // offset 33: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(67, buff[33]);

        // offset 34: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(68, buff[34]);

        // offset 35: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(69, buff[35]);

        // offset 36: zeroed part of fixed length string
        Assert.AreEqual(0, buff[36]);

        // offset 45: last zeroed byte of fixed length string
        Assert.AreEqual(0, buff[45]);

        // offset 46: type/units enum of VariableField1, single byte
        Assert.AreEqual(1, buff[46]);

        // offset 47: contents of VariableField1
        Assert.AreEqual(33, buff[47]);

        // offset 48: 2-byte unsigned short, count field for VariableLengthString1
        Assert.AreEqual(11, BitConverter.ToUInt16(buff, 48));

        // offset 50-60: 11 characters of VariableLengthString1 "hello world"
        Assert.AreEqual(104, buff[50]);
        Assert.AreEqual(101, buff[51]);
        Assert.AreEqual(108, buff[52]);
        Assert.AreEqual(108, buff[53]);
        Assert.AreEqual(111, buff[54]);
        Assert.AreEqual(32, buff[55]);
        Assert.AreEqual(119, buff[56]);
        Assert.AreEqual(111, buff[57]);
        Assert.AreEqual(114, buff[58]);
        Assert.AreEqual(108, buff[59]);
        Assert.AreEqual(100, buff[60]);

        // offset 61: format field of VariableFormatField1, unsigned byte
        Assert.AreEqual(0, buff[61]);

        // offset 62: count field of VariableFormatField1, unsigned int
        Assert.AreEqual(5, BitConverter.ToUInt16(buff, 62));

        // offset 66-70: 5 byte data of VariableFormatField1
        assertBufferSliceEqual(buff, data2, 66, 5);

        buff = new byte[10000];

        // *** 2nd test message, activate Record 2, Record 4, Record 6, Record 8, activate different
        // fields within each record.
        MsgIn msg2 = new MsgIn();

        msg2.getHeader().getHeaderRec().setMessageID(999);

        msg2.getBody().getSequence().getRecord2().setField1((sbyte)77);
        msg2.getBody().getSequence().getRecord2().getVariableLengthField1().set(10, data1);
        msg2.getBody().getSequence().getRecord4().getArray1().setElement1(1, (sbyte)10);
        msg2.getBody().getSequence().getRecord4().getArray1().setElement1(3, (sbyte)20);
        msg2.getBody().getSequence().getRecord4().getArray1().setElement1(5, (sbyte)30);
        msg2.getBody().getSequence().getRecord4().getArray1().setElement1(7, (sbyte)40);
        msg2.getBody().getSequence().getRecord4().getArray1().setElement1(9, (sbyte)50);
        msg2.getBody().getSequence().getRecord4().getBitField1().setSubfield1((byte)1);
        msg2.getBody().getSequence().getRecord6().setFixedLengthString1("ABCDE");
        msg2.getBody().getSequence().getRecord6().getVariableField1().setMeterAsUnsignedByteAt1((byte)33);
        msg2.getBody().getSequence().getRecord8().setVariableLengthString1("hello world");
        msg2.getBody().getSequence().getRecord8().getVariableFormatField1().set((byte)0, 5, data2);

        msg2.encode(buff, 0);

        // offset 0:   ushort w/ msg ID
        Assert.AreEqual(999, BitConverter.ToUInt16(buff, 0));

        // offset 2:   ushort w/ Sequence pv
        Assert.AreEqual(170, BitConverter.ToUInt16(buff, 2));

        // offset 4:   ubyte w/ Record2 pv
        Assert.AreEqual(3, buff[4]);

        // offset 5:   byte w/ Record2.Field1
        Assert.AreEqual(77, buff[5]);

        // offset 6:   uint w/ Record2.VariableLengthField1 count field
        Assert.AreEqual(10, buff[6]);

        // offset 10-19: ubyte data of Record2.VariableLengthField1
        assertBufferSliceEqual(buff, data1, 10, 10);

        // offset 20:   ubyte w/ Record4 pv
        Assert.AreEqual(12, buff[20]);

        // offset 21:   byte, Record4.Array1[0]
        Assert.AreEqual(0, buff[21]);

        // offset 22:   byte, Record4.Array1[1]
        Assert.AreEqual(10, buff[22]);

        // offset 23:   byte, Record4.Array1[2]
        Assert.AreEqual(0, buff[23]);

        // offset 29:   byte, Record4.Array1[8]
        Assert.AreEqual(0, buff[29]);

        // offset 30:   byte, Record4.Array1[9]
        Assert.AreEqual(50, buff[30]);

        // offset 31:   byte, Record4.BitField1
        Assert.AreEqual(1, buff[31]);

        // offset 32:   ubyte w/ Record6 pv
        Assert.AreEqual(48, buff[32]);

        // offset 33: 15-byte Record6.FixedLengthString1.  first 5 chars: "ABCDE"
        Assert.AreEqual(65, buff[33]);

        // offset 34: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(66, buff[34]);

        // offset 35: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(67, buff[35]);

        // offset 36: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(68, buff[36]);

        // offset 37: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(69, buff[37]);

        // offset 38: zeroed part of fixed length string
        Assert.AreEqual(0, buff[38]);

        // offset 47: last zeroed byte of fixed length string
        Assert.AreEqual(0, buff[47]);

        // offset 48: type/units enum of VariableField1, single byte
        Assert.AreEqual(1, buff[48]);

        // offset 49: byte contents of VariableField1
        Assert.AreEqual(33, buff[49]);

        // offset 50:   ubyte w/ Record8 pv
        Assert.AreEqual(192, buff[50]);

        // offset 51: 2-byte unsigned short, count field for Record8.VariableLengthString1
        Assert.AreEqual(11, BitConverter.ToUInt16(buff, 51));

        // offset 53-63: 11 characters of Record8.VariableLengthString1 "hello world"
        Assert.AreEqual(104, buff[53]);
        Assert.AreEqual(101, buff[54]);
        Assert.AreEqual(108, buff[55]);
        Assert.AreEqual(108, buff[56]);
        Assert.AreEqual(111, buff[57]);
        Assert.AreEqual(32, buff[58]);
        Assert.AreEqual(119, buff[59]);
        Assert.AreEqual(111, buff[60]);
        Assert.AreEqual(114, buff[61]);
        Assert.AreEqual(108, buff[62]);
        Assert.AreEqual(100, buff[63]);

        // offset 64: format field of Record8.VariableFormatField1, unsigned byte
        Assert.AreEqual(0, buff[64]);

        // offset 65: count field of Record8.VariableFormatField1, unsigned int
        Assert.AreEqual(5, BitConverter.ToUInt16(buff, 65));

        // offset 69-73: 5 byte data of Record8.VariableFormatField1
        assertBufferSliceEqual(buff, data2, 69, 5);

        buff = new byte[10000];

        // 3rd msg: activate record 3, List, and Variant, and activate the record
        // inside List and Variant, activate all fields inside each record.
        MsgIn msg3 = new MsgIn();

        msg3.getHeader().getHeaderRec().setMessageID(999);

        MsgIn.Body.Sequence.Record3 rec3 = msg3.getBody().getSequence().getRecord3();

        rec3.setField1((sbyte)77);
        rec3.getVariableLengthField1().set(10, data1);
        rec3.getArray1().setElement1(1, (sbyte)10);
        rec3.getArray1().setElement1(3, (sbyte)20);
        rec3.getArray1().setElement1(5, (sbyte)30);
        rec3.getArray1().setElement1(7, (sbyte)40);
        rec3.getArray1().setElement1(9, (sbyte)50);
        rec3.getBitField1().setSubfield1((byte)1);
        rec3.setFixedLengthString1("ABCDE");
        rec3.getVariableField1().setMeterAsUnsignedByteAt1((byte)33);
        rec3.setVariableLengthString1("hello world");
        rec3.getVariableFormatField1().set((byte)0, 5, data2);

        MsgIn.Body.Sequence.List.Record listrec = new MsgIn.Body.Sequence.List.Record();
        msg3.getBody().getSequence().getList().addElement(listrec);

        listrec.setField1((sbyte)77);
        listrec.getVariableLengthField1().set(10, data1);
        listrec.getArray1().setElement1(1, (sbyte)60);
        listrec.getArray1().setElement1(3, (sbyte)70);
        listrec.getArray1().setElement1(5, (sbyte)80);
        listrec.getArray1().setElement1(7, (sbyte)90);
        listrec.getArray1().setElement1(9, (sbyte)100);
        listrec.getBitField1().setSubfield1((byte)1);
        listrec.setFixedLengthString1("FGHIJK");
        listrec.getVariableField1().setMeterAsUnsignedByteAt1((byte)44);
        listrec.setVariableLengthString1("aabbccddeeff");
        listrec.getVariableFormatField1().set((byte)0, 5, data2);

        // Variants
        msg3.getBody().getSequence().getVariant().setFieldValue((byte)1); // option 1: Record
        MsgIn.Body.Sequence.Variant.Record varrec = msg3.getBody().getSequence().getVariant().getRecord();

        varrec.setField1((sbyte)99);
        varrec.getVariableLengthField1().set(10, data1);
        varrec.getArray1().setElement1(1, (sbyte)65);
        varrec.getArray1().setElement1(3, (sbyte)75);
        varrec.getArray1().setElement1(5, (sbyte)85);
        varrec.getArray1().setElement1(7, (sbyte)95);
        varrec.getArray1().setElement1(9, (sbyte)105);
        varrec.getBitField1().setSubfield1((byte)1);
        varrec.setFixedLengthString1("LMNOPQR");
        varrec.getVariableField1().setMeterAsUnsignedByteAt1((byte)55);
        varrec.setVariableLengthString1("hello world");
        varrec.getVariableFormatField1().set((byte)0, 5, data2);

        msg3.encode(buff, 0);

        // offset 0:    ushort w/ message ID
        Assert.AreEqual(999, BitConverter.ToUInt16(buff, 0));

        // offset 2:    ushort w/ Sequence's presence vector - 1284 indicates record 3, list, variant present
        Assert.AreEqual(1284, BitConverter.ToUInt16(buff, 2));

        // offset 4: unsigned byte w/ Record3's presence vector, 8 bits all on, 255
        Assert.AreEqual(255, buff[4]);

        // offset 5:    signed byte, Record3.Field1 fixed field
        Assert.AreEqual(77, buff[5]);

        // offset 6:    uint, Record3.variableLengthField1 count field...
        Assert.AreEqual(10, buff[6]);

        // offset 10-19: 10-byte Record3.variableLengthField1.
        assertBufferSliceEqual(buff, data1, 10, 10);

        // offset 20: Record3.Array1[0]
        Assert.AreEqual(0, buff[20]);

        // offset 21: Record3.Array1[1]
        Assert.AreEqual(10, buff[21]);

        // offset 22: Record3.Array1[2]
        Assert.AreEqual(0, buff[22]);

        // offset 23: Record3.Array1[3]
        Assert.AreEqual(20, buff[23]);

        // offset 25: Record3.Array1[5]
        Assert.AreEqual(30, buff[25]);

        // offset 27: Record3.Array1[7]
        Assert.AreEqual(40, buff[27]);

        // offset 29: Record3.Array1[9]
        Assert.AreEqual(50, buff[29]);

        // offset 30: Record3.BitField1, single unsigned byte
        Assert.AreEqual(1, buff[30]);

        // offset 31: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(65, buff[31]);

        // offset 32: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(66, buff[32]);

        // offset 33: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(67, buff[33]);

        // offset 34: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(68, buff[34]);

        // offset 35: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(69, buff[35]);

        // offset 36: zeroed part of fixed length string
        Assert.AreEqual(0, buff[36]);

        // offset 45: last zeroed byte of fixed length string
        Assert.AreEqual(0, buff[45]);

        // offset 46: type/units enum of Record3.VariableField1, single byte
        Assert.AreEqual(1, buff[46]);

        // offset 47: contents of Record3.VariableField1
        Assert.AreEqual(33, buff[47]);

        // offset 48: 2-byte unsigned short, count field for Record3.VariableLengthString1
        Assert.AreEqual(11, BitConverter.ToUInt16(buff, 48));

        // offset 50-60: 11 characters of VariableLengthString1 "hello world"
        Assert.AreEqual(104, buff[50]);
        Assert.AreEqual(101, buff[51]);
        Assert.AreEqual(108, buff[52]);
        Assert.AreEqual(108, buff[53]);
        Assert.AreEqual(111, buff[54]);
        Assert.AreEqual(32, buff[55]);
        Assert.AreEqual(119, buff[56]);
        Assert.AreEqual(111, buff[57]);
        Assert.AreEqual(114, buff[58]);
        Assert.AreEqual(108, buff[59]);
        Assert.AreEqual(100, buff[60]);

        // offset 61: format field of VariableFormatField1, unsigned byte
        Assert.AreEqual(0, buff[61]);

        // offset 62: count field of VariableFormatField1, unsigned int
        Assert.AreEqual(5, BitConverter.ToUInt16(buff, 62));

        // offset 66-70: 5 byte data of VariableFormatField1
        assertBufferSliceEqual(buff, data2, 66, 5);

        // *** list and record inside list ***

        // offset 71: ubyte count field for list == 1
        Assert.AreEqual(1, buff[71]);

        // offset 72: ubyte presence vector for List.Record
        Assert.AreEqual(255, buff[72]);

        // offset 73:    signed byte, Record3.Field1 fixed field
        Assert.AreEqual(77, buff[73]);

        // offset 74:    uint, Record3.variableLengthField1 count field...
        Assert.AreEqual(10, buff[74]);

        // offset 78-87: 10-byte Record3.variableLengthField1.
        assertBufferSliceEqual(buff, data1, 78, 10);

        // offset 88: Record3.Array1[0]
        Assert.AreEqual(0, buff[88]);

        // offset 89: Record3.Array1[1]
        Assert.AreEqual(60, buff[89]);

        // offset 90: Record3.Array1[2]
        Assert.AreEqual(0, buff[90]);

        // offset 91: Record3.Array1[3]
        Assert.AreEqual(70, buff[91]);

        // offset 93: Record3.Array1[5]
        Assert.AreEqual(80, buff[93]);

        // offset 95: Record3.Array1[7]
        Assert.AreEqual(90, buff[95]);

        // offset 97: Record3.Array1[9]
        Assert.AreEqual(100, buff[97]);

        // offset 98: Record3.BitField1, single unsigned byte
        Assert.AreEqual(1, buff[98]);

        // offset 99: 15-byte fixed length string.  first 6 chars: "FGHIJK"
        Assert.AreEqual(70, buff[99]);

        // offset 100: 15-byte fixed length string.
        Assert.AreEqual(71, buff[100]);

        // offset 101: 15-byte fixed length string.
        Assert.AreEqual(72, buff[101]);

        // offset 102: 15-byte fixed length string.
        Assert.AreEqual(73, buff[102]);

        // offset 103: 15-byte fixed length string.
        Assert.AreEqual(74, buff[103]);

        // offset 104: 15-byte fixed length string.
        Assert.AreEqual(75, buff[104]);

        // offset 105: zeroed part of fixed length string
        Assert.AreEqual(0, buff[105]);

        // offset 113: last zeroed byte of fixed length string
        Assert.AreEqual(0, buff[113]);

        // offset 114: type/units enum of Record3.VariableField1, single byte
        Assert.AreEqual(1, buff[114]);

        // offset 115: contents of Record3.VariableField1
        Assert.AreEqual(44, buff[115]);

        // offset 116: 2-byte unsigned short, count field for Record3.VariableLengthString1
        Assert.AreEqual(12, BitConverter.ToUInt16(buff, 116));

        // offset 118-129: 12 characters of VariableLengthString1 "aabbccddeeff"
        Assert.AreEqual(97, buff[118]);
        Assert.AreEqual(97, buff[119]);
        Assert.AreEqual(98, buff[120]);
        Assert.AreEqual(98, buff[121]);
        Assert.AreEqual(99, buff[122]);
        Assert.AreEqual(99, buff[123]);
        Assert.AreEqual(100, buff[124]);
        Assert.AreEqual(100, buff[125]);
        Assert.AreEqual(101, buff[126]);
        Assert.AreEqual(101, buff[127]);
        Assert.AreEqual(102, buff[128]);
        Assert.AreEqual(102, buff[129]);

        // offset 130: format field of VariableFormatField1, unsigned byte
        Assert.AreEqual(0, buff[130]);

        // offset 131: count field of VariableFormatField1, unsigned int
        Assert.AreEqual(5, BitConverter.ToUInt16(buff, 131));

        // offset 135-139: 5 byte data of VariableFormatField1
        assertBufferSliceEqual(buff, data2, 135, 5);

        // *** variant and record inside variant ***

        // offset 140: ubyte vtag field for variant
        Assert.AreEqual(1, buff[140]);

        // offset 141: ubyte presence vector for Variant.Record.
        Assert.AreEqual(255, buff[141]);

        // offset 142:    signed byte, Record3.Field1 fixed field
        Assert.AreEqual(99, buff[142]);

        // offset 143:    uint, Record3.variableLengthField1 count field...
        Assert.AreEqual(10, buff[143]);

        // offset 147-156: 10-byte Record3.variableLengthField1.
        assertBufferSliceEqual(buff, data1, 147, 10);

        // offset 157: Record3.Array1[0]
        Assert.AreEqual(0, buff[157]);

        // offset 158: Record3.Array1[1]
        Assert.AreEqual(65, buff[158]);

        // offset 159: Record3.Array1[2]
        Assert.AreEqual(0, buff[159]);

        // offset 160: Record3.Array1[3]
        Assert.AreEqual(75, buff[160]);

        // offset 162: Record3.Array1[5]
        Assert.AreEqual(85, buff[162]);

        // offset 164: Record3.Array1[7]
        Assert.AreEqual(95, buff[164]);

        // offset 166: Record3.Array1[9]
        Assert.AreEqual(105, buff[166]);

        // offset 167: Record3.BitField1, single unsigned byte
        Assert.AreEqual(1, buff[167]);

        // offset 168: 15-byte fixed length string.  first 7 chars: "LMNOPQR"
        Assert.AreEqual(76, buff[168]);

        // offset 169: 15-byte fixed length string.
        Assert.AreEqual(77, buff[169]);

        // offset 170: 15-byte fixed length string.
        Assert.AreEqual(78, buff[170]);

        // offset 171: 15-byte fixed length string.
        Assert.AreEqual(79, buff[171]);

        // offset 172: 15-byte fixed length string.
        Assert.AreEqual(80, buff[172]);

        // offset 173: 15-byte fixed length string.
        Assert.AreEqual(81, buff[173]);

        // offset 174: 15-byte fixed length string.
        Assert.AreEqual(82, buff[174]);

        // offset 175: zeroed part of fixed length string
        Assert.AreEqual(0, buff[175]);

        // offset 182: last zeroed byte of fixed length string
        Assert.AreEqual(0, buff[182]);

        // offset 183: type/units enum of Record3.VariableField1, single byte
        Assert.AreEqual(1, buff[183]);

        // offset 184: contents of Record3.VariableField1
        Assert.AreEqual(55, buff[184]);

        // offset 185: 2-byte unsigned short, count field for Record3.VariableLengthString1
        Assert.AreEqual(11, BitConverter.ToUInt16(buff, 185));

        // offset 50-60: 11 characters of VariableLengthString1 "hello world"
        Assert.AreEqual(104, buff[187]);
        Assert.AreEqual(101, buff[188]);
        Assert.AreEqual(108, buff[189]);
        Assert.AreEqual(108, buff[190]);
        Assert.AreEqual(111, buff[191]);
        Assert.AreEqual(32, buff[192]);
        Assert.AreEqual(119, buff[193]);
        Assert.AreEqual(111, buff[194]);
        Assert.AreEqual(114, buff[195]);
        Assert.AreEqual(108, buff[196]);
        Assert.AreEqual(100, buff[197]);

        // offset 61: format field of VariableFormatField1, unsigned byte
        Assert.AreEqual(0, buff[198]);

        // offset 62: count field of VariableFormatField1, unsigned int
        Assert.AreEqual(5, BitConverter.ToUInt16(buff, 199));

        // offset 66-70: 5 byte data of VariableFormatField1
        assertBufferSliceEqual(buff, data2, 203, 5);


        buff = new byte[10000];

        // 4th msg: activate the subsequence, activate only some fields inside subsequence's record...
        MsgIn msg4 = new MsgIn();

        msg4.getHeader().getHeaderRec().setMessageID(999);

        MsgIn.Body.Sequence.Subsequence.Record sseqRec =
            msg4.getBody().getSequence().getSubsequence().getRecord();

        sseqRec.setField1((sbyte)77);
        sseqRec.getVariableLengthField1().set(10, data1);
        sseqRec.getArray1().setElement1(1, (sbyte)10);
        sseqRec.getArray1().setElement1(3, (sbyte)20);
        sseqRec.getArray1().setElement1(5, (sbyte)30);
        sseqRec.getArray1().setElement1(7, (sbyte)40);
        sseqRec.getArray1().setElement1(9, (sbyte)50);
        sseqRec.getBitField1().setSubfield1((byte)1);
        sseqRec.setFixedLengthString1("ABCDE");
        sseqRec.getVariableField1().setMeterAsUnsignedByteAt1((byte)33);
        sseqRec.setVariableLengthString1("JTS=PWNT");
        sseqRec.getVariableFormatField1().set((byte)0, 5, data2);

        msg4.encode(buff, 0);

        // offset 0:    ushort w/ message ID
        Assert.AreEqual(999, BitConverter.ToUInt16(buff, 0));

        // offset 2:    ushort w/ Sequence's presence vector - 512 indicates only Subsequence present
        Assert.AreEqual(512, BitConverter.ToUInt16(buff, 2));

        // offset 4:    ubyte w/ Subsequence's presence vector - should be 1 indicating only first
        // record is present
        Assert.AreEqual(1, buff[4]);

        // offset 5: ubyte w/ Record's presence vector - 255 indicates all elements present
        Assert.AreEqual(255, buff[5]);

        // offset 6:    signed byte, Field1 fixed field
        Assert.AreEqual(77, buff[6]);

        // offset 7:    uint, variableLengthField1 count field...
        Assert.AreEqual(10, buff[7]);

        // offset 11-20: 10-byte variableLengthField1.
        assertBufferSliceEqual(buff, data1, 11, 10);

        // offset 21: Array1[0]
        Assert.AreEqual(0, buff[21]);

        // offset 22: Array1[1]
        Assert.AreEqual(10, buff[22]);

        // offset 23: Array1[2]
        Assert.AreEqual(0, buff[23]);

        // offset 24: Array1[3]
        Assert.AreEqual(20, buff[24]);

        // offset 26: Array1[5]
        Assert.AreEqual(30, buff[26]);

        // offset 28: Array1[7]
        Assert.AreEqual(40, buff[28]);

        // offset 30: Array1[9]
        Assert.AreEqual(50, buff[30]);

        // offset 31: BitField1, single unsigned byte
        Assert.AreEqual(1, buff[31]);

        // offset 32: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(65, buff[32]);

        // offset 33: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(66, buff[33]);

        // offset 34: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(67, buff[34]);

        // offset 35: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(68, buff[35]);

        // offset 36: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(69, buff[36]);

        // offset 37: zeroed part of fixed length string
        Assert.AreEqual(0, buff[37]);

        // offset 46: last zeroed byte of fixed length string
        Assert.AreEqual(0, buff[46]);

        // offset 47: type/units enum of VariableField1, single byte
        Assert.AreEqual(1, buff[47]);

        // offset 48: contents of VariableField1
        Assert.AreEqual(33, buff[48]);

        // offset 49: 2-byte unsigned short, count field for VariableLengthString1
        Assert.AreEqual(8, BitConverter.ToUInt16(buff, 49));

        // offset 51-61: 11 characters of VariableLengthString1 "hello world"
        Assert.AreEqual(74, buff[51]);
        Assert.AreEqual(84, buff[52]);
        Assert.AreEqual(83, buff[53]);
        Assert.AreEqual(61, buff[54]);
        Assert.AreEqual(80, buff[55]);
        Assert.AreEqual(87, buff[56]);
        Assert.AreEqual(78, buff[57]);
        Assert.AreEqual(84, buff[58]);

        // offset 59: format field of VariableFormatField1, unsigned byte
        Assert.AreEqual(0, buff[59]);

        // offset 60: count field of VariableFormatField1, unsigned int
        Assert.AreEqual(5, BitConverter.ToUInt16(buff, 60));

        // offset 64-69: 5 byte data of VariableFormatField1
        assertBufferSliceEqual(buff, data2, 64, 5);
    }
Ejemplo n.º 4
0
    public void testEncodeToSpec()
    {
        Console.Out.WriteLine("");
        Console.Out.Write("[executing test (testEncodeToSpec)]");

        // buffer for encoding
        byte[] buff = new byte[10000];

        // *** first test message: activate only Record1, activate all fields inside of record1.
        byte[] data1 = new byte[10];
        byte[] data2 = new byte[5];

        for (int i = 0; i < 10; ++i)
        {
            data1[i] = (byte)(10 + i);
        }
        for (int i = 0; i < 5; ++i)
        {
            data2[i] = (byte)(20 + i);
        }

        MsgIn msg1 = new MsgIn();

        msg1.getHeader().getHeaderRec().setMessageID(999);

        msg1.getBody().getSequence().getRecord1().setField1((sbyte)77);
        msg1.getBody().getSequence().getRecord1().getVariableLengthField1().set(10, data1);
        msg1.getBody().getSequence().getRecord1().getArray1().setElement1(1, (sbyte)10);
        msg1.getBody().getSequence().getRecord1().getArray1().setElement1(3, (sbyte)20);
        msg1.getBody().getSequence().getRecord1().getArray1().setElement1(5, (sbyte)30);
        msg1.getBody().getSequence().getRecord1().getArray1().setElement1(7, (sbyte)40);
        msg1.getBody().getSequence().getRecord1().getArray1().setElement1(9, (sbyte)50);
        msg1.getBody().getSequence().getRecord1().getBitField1().setSubfield1((byte)1);
        msg1.getBody().getSequence().getRecord1().setFixedLengthString1("ABCDE");
        msg1.getBody().getSequence().getRecord1().getVariableField1().setMeterAsUnsignedByteAt1((byte)33);
        msg1.getBody().getSequence().getRecord1().setVariableLengthString1("hello world");
        msg1.getBody().getSequence().getRecord1().getVariableFormatField1().set((byte)0, 5, data2);

        msg1.encode(buff, 0);

        // offset 0:    ushort w/ message ID
        Assert.AreEqual(999, BitConverter.ToUInt16(buff, 0));

        // offset 2:    ushort w/ Sequence's presence vector - should be 1 indicating only first
        // record is present
        Assert.AreEqual(1, BitConverter.ToUInt16(buff, 2));

        // offset 4: unsigned byte w/ Record1's presence vector, 8 bits all on, 255
        Assert.AreEqual(255, buff[4]);

        // offset 5:    signed byte, Field1 fixed field
        Assert.AreEqual(77, buff[5]);

        // offset 6:    uint, variableLengthField1 count field...
        Assert.AreEqual(10, buff[6]);

        // offset 10-19: 10-byte variableLengthField1.
        assertBufferSliceEqual(buff, data1, 10, 10);

        // offset 20: Array1[0]
        Assert.AreEqual(0, buff[20]);

        // offset 21: Array1[1]
        Assert.AreEqual(10, buff[21]);

        // offset 22: Array1[2]
        Assert.AreEqual(0, buff[22]);

        // offset 23: Array1[3]
        Assert.AreEqual(20, buff[23]);

        // offset 25: Array1[5]
        Assert.AreEqual(30, buff[25]);

        // offset 27: Array1[7]
        Assert.AreEqual(40, buff[27]);

        // offset 29: Array1[9]
        Assert.AreEqual(50, buff[29]);

        // offset 30: BitField1, single unsigned byte
        Assert.AreEqual(1, buff[30]);

        // offset 31: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(65, buff[31]);

        // offset 32: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(66, buff[32]);

        // offset 33: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(67, buff[33]);

        // offset 34: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(68, buff[34]);

        // offset 35: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(69, buff[35]);

        // offset 36: zeroed part of fixed length string
        Assert.AreEqual(0, buff[36]);

        // offset 45: last zeroed byte of fixed length string
        Assert.AreEqual(0, buff[45]);

        // offset 46: type/units enum of VariableField1, single byte
        Assert.AreEqual(1, buff[46]);

        // offset 47: contents of VariableField1
        Assert.AreEqual(33, buff[47]);

        // offset 48: 2-byte unsigned short, count field for VariableLengthString1
        Assert.AreEqual(11, BitConverter.ToUInt16(buff, 48));

        // offset 50-60: 11 characters of VariableLengthString1 "hello world"
        Assert.AreEqual(104, buff[50]);
        Assert.AreEqual(101, buff[51]);
        Assert.AreEqual(108, buff[52]);
        Assert.AreEqual(108, buff[53]);
        Assert.AreEqual(111, buff[54]);
        Assert.AreEqual(32, buff[55]);
        Assert.AreEqual(119, buff[56]);
        Assert.AreEqual(111, buff[57]);
        Assert.AreEqual(114, buff[58]);
        Assert.AreEqual(108, buff[59]);
        Assert.AreEqual(100, buff[60]);

        // offset 61: format field of VariableFormatField1, unsigned byte
        Assert.AreEqual(0, buff[61]);

        // offset 62: count field of VariableFormatField1, unsigned int
        Assert.AreEqual(5, BitConverter.ToUInt16(buff, 62));

        // offset 66-70: 5 byte data of VariableFormatField1
        assertBufferSliceEqual(buff, data2, 66, 5);

        buff = new byte[10000];

        // *** 2nd test message, activate Record 2, Record 4, Record 6, Record 8, activate different
        // fields within each record.
        MsgIn msg2 = new MsgIn();

        msg2.getHeader().getHeaderRec().setMessageID(999);

        msg2.getBody().getSequence().getRecord2().setField1((sbyte)77);
        msg2.getBody().getSequence().getRecord2().getVariableLengthField1().set(10, data1);
        msg2.getBody().getSequence().getRecord4().getArray1().setElement1(1, (sbyte)10);
        msg2.getBody().getSequence().getRecord4().getArray1().setElement1(3, (sbyte)20);
        msg2.getBody().getSequence().getRecord4().getArray1().setElement1(5, (sbyte)30);
        msg2.getBody().getSequence().getRecord4().getArray1().setElement1(7, (sbyte)40);
        msg2.getBody().getSequence().getRecord4().getArray1().setElement1(9, (sbyte)50);
        msg2.getBody().getSequence().getRecord4().getBitField1().setSubfield1((byte)1);
        msg2.getBody().getSequence().getRecord6().setFixedLengthString1("ABCDE");
        msg2.getBody().getSequence().getRecord6().getVariableField1().setMeterAsUnsignedByteAt1((byte)33);
        msg2.getBody().getSequence().getRecord8().setVariableLengthString1("hello world");
        msg2.getBody().getSequence().getRecord8().getVariableFormatField1().set((byte)0, 5, data2);

        msg2.encode(buff, 0);

        // offset 0:   ushort w/ msg ID
        Assert.AreEqual(999, BitConverter.ToUInt16(buff, 0));

        // offset 2:   ushort w/ Sequence pv
        Assert.AreEqual(170, BitConverter.ToUInt16(buff, 2));

        // offset 4:   ubyte w/ Record2 pv
        Assert.AreEqual(3, buff[4]);

        // offset 5:   byte w/ Record2.Field1
        Assert.AreEqual(77, buff[5]);

        // offset 6:   uint w/ Record2.VariableLengthField1 count field
        Assert.AreEqual(10, buff[6]);

        // offset 10-19: ubyte data of Record2.VariableLengthField1
        assertBufferSliceEqual(buff, data1, 10, 10);

        // offset 20:   ubyte w/ Record4 pv
        Assert.AreEqual(12, buff[20]);

        // offset 21:   byte, Record4.Array1[0]
        Assert.AreEqual(0, buff[21]);

        // offset 22:   byte, Record4.Array1[1]
        Assert.AreEqual(10, buff[22]);

        // offset 23:   byte, Record4.Array1[2]
        Assert.AreEqual(0, buff[23]);

        // offset 29:   byte, Record4.Array1[8]
        Assert.AreEqual(0, buff[29]);

        // offset 30:   byte, Record4.Array1[9]
        Assert.AreEqual(50, buff[30]);

        // offset 31:   byte, Record4.BitField1
        Assert.AreEqual(1, buff[31]);

        // offset 32:   ubyte w/ Record6 pv
        Assert.AreEqual(48, buff[32]);

        // offset 33: 15-byte Record6.FixedLengthString1.  first 5 chars: "ABCDE"
        Assert.AreEqual(65, buff[33]);

        // offset 34: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(66, buff[34]);

        // offset 35: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(67, buff[35]);

        // offset 36: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(68, buff[36]);

        // offset 37: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(69, buff[37]);

        // offset 38: zeroed part of fixed length string
        Assert.AreEqual(0, buff[38]);

        // offset 47: last zeroed byte of fixed length string
        Assert.AreEqual(0, buff[47]);

        // offset 48: type/units enum of VariableField1, single byte
        Assert.AreEqual(1, buff[48]);

        // offset 49: byte contents of VariableField1
        Assert.AreEqual(33, buff[49]);

        // offset 50:   ubyte w/ Record8 pv
        Assert.AreEqual(192, buff[50]);

        // offset 51: 2-byte unsigned short, count field for Record8.VariableLengthString1
        Assert.AreEqual(11, BitConverter.ToUInt16(buff, 51));

        // offset 53-63: 11 characters of Record8.VariableLengthString1 "hello world"
        Assert.AreEqual(104, buff[53]);
        Assert.AreEqual(101, buff[54]);
        Assert.AreEqual(108, buff[55]);
        Assert.AreEqual(108, buff[56]);
        Assert.AreEqual(111, buff[57]);
        Assert.AreEqual(32, buff[58]);
        Assert.AreEqual(119, buff[59]);
        Assert.AreEqual(111, buff[60]);
        Assert.AreEqual(114, buff[61]);
        Assert.AreEqual(108, buff[62]);
        Assert.AreEqual(100, buff[63]);

        // offset 64: format field of Record8.VariableFormatField1, unsigned byte
        Assert.AreEqual(0, buff[64]);

        // offset 65: count field of Record8.VariableFormatField1, unsigned int
        Assert.AreEqual(5, BitConverter.ToUInt16(buff, 65));

        // offset 69-73: 5 byte data of Record8.VariableFormatField1
        assertBufferSliceEqual(buff, data2, 69, 5);

        buff = new byte[10000];

        // 3rd msg: activate record 3, List, and Variant, and activate the record
        // inside List and Variant, activate all fields inside each record.
        MsgIn msg3 = new MsgIn();

        msg3.getHeader().getHeaderRec().setMessageID(999);

        MsgIn.Body.Sequence.Record3 rec3 = msg3.getBody().getSequence().getRecord3();

        rec3.setField1((sbyte)77);
        rec3.getVariableLengthField1().set(10, data1);
        rec3.getArray1().setElement1(1, (sbyte)10);
        rec3.getArray1().setElement1(3, (sbyte)20);
        rec3.getArray1().setElement1(5, (sbyte)30);
        rec3.getArray1().setElement1(7, (sbyte)40);
        rec3.getArray1().setElement1(9, (sbyte)50);
        rec3.getBitField1().setSubfield1((byte)1);
        rec3.setFixedLengthString1("ABCDE");
        rec3.getVariableField1().setMeterAsUnsignedByteAt1((byte)33);
        rec3.setVariableLengthString1("hello world");
        rec3.getVariableFormatField1().set((byte)0, 5, data2);

        MsgIn.Body.Sequence.List.Record listrec = new MsgIn.Body.Sequence.List.Record();
        msg3.getBody().getSequence().getList().addElement( listrec );

        listrec.setField1((sbyte)77);
        listrec.getVariableLengthField1().set(10, data1);
        listrec.getArray1().setElement1(1, (sbyte)60);
        listrec.getArray1().setElement1(3, (sbyte)70);
        listrec.getArray1().setElement1(5, (sbyte)80);
        listrec.getArray1().setElement1(7, (sbyte)90);
        listrec.getArray1().setElement1(9, (sbyte)100);
        listrec.getBitField1().setSubfield1((byte)1);
        listrec.setFixedLengthString1("FGHIJK");
        listrec.getVariableField1().setMeterAsUnsignedByteAt1((byte)44);
        listrec.setVariableLengthString1("aabbccddeeff");
        listrec.getVariableFormatField1().set((byte)0, 5, data2);

        // Variants
        msg3.getBody().getSequence().getVariant().setFieldValue((byte)1); // option 1: Record
        MsgIn.Body.Sequence.Variant.Record varrec = msg3.getBody().getSequence().getVariant().getRecord();

        varrec.setField1((sbyte)99);
        varrec.getVariableLengthField1().set(10, data1);
        varrec.getArray1().setElement1(1, (sbyte)65);
        varrec.getArray1().setElement1(3, (sbyte)75);
        varrec.getArray1().setElement1(5, (sbyte)85);
        varrec.getArray1().setElement1(7, (sbyte)95);
        varrec.getArray1().setElement1(9, (sbyte)105);
        varrec.getBitField1().setSubfield1((byte)1);
        varrec.setFixedLengthString1("LMNOPQR");
        varrec.getVariableField1().setMeterAsUnsignedByteAt1((byte)55);
        varrec.setVariableLengthString1("hello world");
        varrec.getVariableFormatField1().set((byte)0, 5, data2);

        msg3.encode(buff, 0);

        // offset 0:    ushort w/ message ID
        Assert.AreEqual(999, BitConverter.ToUInt16(buff, 0));

        // offset 2:    ushort w/ Sequence's presence vector - 1284 indicates record 3, list, variant present
        Assert.AreEqual(1284, BitConverter.ToUInt16(buff, 2));

        // offset 4: unsigned byte w/ Record3's presence vector, 8 bits all on, 255
        Assert.AreEqual(255, buff[4]);

        // offset 5:    signed byte, Record3.Field1 fixed field
        Assert.AreEqual(77, buff[5]);

        // offset 6:    uint, Record3.variableLengthField1 count field...
        Assert.AreEqual(10, buff[6]);

        // offset 10-19: 10-byte Record3.variableLengthField1.
        assertBufferSliceEqual(buff, data1, 10, 10);

        // offset 20: Record3.Array1[0]
        Assert.AreEqual(0, buff[20]);

        // offset 21: Record3.Array1[1]
        Assert.AreEqual(10, buff[21]);

        // offset 22: Record3.Array1[2]
        Assert.AreEqual(0, buff[22]);

        // offset 23: Record3.Array1[3]
        Assert.AreEqual(20, buff[23]);

        // offset 25: Record3.Array1[5]
        Assert.AreEqual(30, buff[25]);

        // offset 27: Record3.Array1[7]
        Assert.AreEqual(40, buff[27]);

        // offset 29: Record3.Array1[9]
        Assert.AreEqual(50, buff[29]);

        // offset 30: Record3.BitField1, single unsigned byte
        Assert.AreEqual(1, buff[30]);

        // offset 31: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(65, buff[31]);

        // offset 32: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(66, buff[32]);

        // offset 33: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(67, buff[33]);

        // offset 34: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(68, buff[34]);

        // offset 35: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(69, buff[35]);

        // offset 36: zeroed part of fixed length string
        Assert.AreEqual(0, buff[36]);

        // offset 45: last zeroed byte of fixed length string
        Assert.AreEqual(0, buff[45]);

        // offset 46: type/units enum of Record3.VariableField1, single byte
        Assert.AreEqual(1, buff[46]);

        // offset 47: contents of Record3.VariableField1
        Assert.AreEqual(33, buff[47]);

        // offset 48: 2-byte unsigned short, count field for Record3.VariableLengthString1
        Assert.AreEqual(11, BitConverter.ToUInt16(buff, 48));

        // offset 50-60: 11 characters of VariableLengthString1 "hello world"
        Assert.AreEqual(104, buff[50]);
        Assert.AreEqual(101, buff[51]);
        Assert.AreEqual(108, buff[52]);
        Assert.AreEqual(108, buff[53]);
        Assert.AreEqual(111, buff[54]);
        Assert.AreEqual(32, buff[55]);
        Assert.AreEqual(119, buff[56]);
        Assert.AreEqual(111, buff[57]);
        Assert.AreEqual(114, buff[58]);
        Assert.AreEqual(108, buff[59]);
        Assert.AreEqual(100, buff[60]);

        // offset 61: format field of VariableFormatField1, unsigned byte
        Assert.AreEqual(0, buff[61]);

        // offset 62: count field of VariableFormatField1, unsigned int
        Assert.AreEqual(5, BitConverter.ToUInt16(buff, 62));

        // offset 66-70: 5 byte data of VariableFormatField1
        assertBufferSliceEqual(buff, data2, 66, 5);

        // *** list and record inside list ***

        // offset 71: ubyte count field for list == 1
        Assert.AreEqual(1, buff[71]);

        // offset 72: ubyte presence vector for List.Record
        Assert.AreEqual(255, buff[72]);

        // offset 73:    signed byte, Record3.Field1 fixed field
        Assert.AreEqual(77, buff[73]);

        // offset 74:    uint, Record3.variableLengthField1 count field...
        Assert.AreEqual(10, buff[74]);

        // offset 78-87: 10-byte Record3.variableLengthField1.
        assertBufferSliceEqual(buff, data1, 78, 10);

        // offset 88: Record3.Array1[0]
        Assert.AreEqual(0, buff[88]);

        // offset 89: Record3.Array1[1]
        Assert.AreEqual(60, buff[89]);

        // offset 90: Record3.Array1[2]
        Assert.AreEqual(0, buff[90]);

        // offset 91: Record3.Array1[3]
        Assert.AreEqual(70, buff[91]);

        // offset 93: Record3.Array1[5]
        Assert.AreEqual(80, buff[93]);

        // offset 95: Record3.Array1[7]
        Assert.AreEqual(90, buff[95]);

        // offset 97: Record3.Array1[9]
        Assert.AreEqual(100, buff[97]);

        // offset 98: Record3.BitField1, single unsigned byte
        Assert.AreEqual(1, buff[98]);

        // offset 99: 15-byte fixed length string.  first 6 chars: "FGHIJK"
        Assert.AreEqual(70, buff[99]);

        // offset 100: 15-byte fixed length string.
        Assert.AreEqual(71, buff[100]);

        // offset 101: 15-byte fixed length string.
        Assert.AreEqual(72, buff[101]);

        // offset 102: 15-byte fixed length string.
        Assert.AreEqual(73, buff[102]);

        // offset 103: 15-byte fixed length string.
        Assert.AreEqual(74, buff[103]);

        // offset 104: 15-byte fixed length string.
        Assert.AreEqual(75, buff[104]);

        // offset 105: zeroed part of fixed length string
        Assert.AreEqual(0, buff[105]);

        // offset 113: last zeroed byte of fixed length string
        Assert.AreEqual(0, buff[113]);

        // offset 114: type/units enum of Record3.VariableField1, single byte
        Assert.AreEqual(1, buff[114]);

        // offset 115: contents of Record3.VariableField1
        Assert.AreEqual(44, buff[115]);

        // offset 116: 2-byte unsigned short, count field for Record3.VariableLengthString1
        Assert.AreEqual(12, BitConverter.ToUInt16(buff, 116));

        // offset 118-129: 12 characters of VariableLengthString1 "aabbccddeeff"
        Assert.AreEqual(97, buff[118]);
        Assert.AreEqual(97, buff[119]);
        Assert.AreEqual(98, buff[120]);
        Assert.AreEqual(98, buff[121]);
        Assert.AreEqual(99, buff[122]);
        Assert.AreEqual(99, buff[123]);
        Assert.AreEqual(100, buff[124]);
        Assert.AreEqual(100, buff[125]);
        Assert.AreEqual(101, buff[126]);
        Assert.AreEqual(101, buff[127]);
        Assert.AreEqual(102, buff[128]);
        Assert.AreEqual(102, buff[129]);

        // offset 130: format field of VariableFormatField1, unsigned byte
        Assert.AreEqual(0, buff[130]);

        // offset 131: count field of VariableFormatField1, unsigned int
        Assert.AreEqual(5, BitConverter.ToUInt16(buff, 131));

        // offset 135-139: 5 byte data of VariableFormatField1
        assertBufferSliceEqual(buff, data2, 135, 5);

        // *** variant and record inside variant ***

        // offset 140: ubyte vtag field for variant
        Assert.AreEqual(1, buff[140]);

        // offset 141: ubyte presence vector for Variant.Record.
        Assert.AreEqual(255, buff[141]);

        // offset 142:    signed byte, Record3.Field1 fixed field
        Assert.AreEqual(99, buff[142]);

        // offset 143:    uint, Record3.variableLengthField1 count field...
        Assert.AreEqual(10, buff[143]);

        // offset 147-156: 10-byte Record3.variableLengthField1.
        assertBufferSliceEqual(buff, data1, 147, 10);

        // offset 157: Record3.Array1[0]
        Assert.AreEqual(0, buff[157]);

        // offset 158: Record3.Array1[1]
        Assert.AreEqual(65, buff[158]);

        // offset 159: Record3.Array1[2]
        Assert.AreEqual(0, buff[159]);

        // offset 160: Record3.Array1[3]
        Assert.AreEqual(75, buff[160]);

        // offset 162: Record3.Array1[5]
        Assert.AreEqual(85, buff[162]);

        // offset 164: Record3.Array1[7]
        Assert.AreEqual(95, buff[164]);

        // offset 166: Record3.Array1[9]
        Assert.AreEqual(105, buff[166]);

        // offset 167: Record3.BitField1, single unsigned byte
        Assert.AreEqual(1, buff[167]);

        // offset 168: 15-byte fixed length string.  first 7 chars: "LMNOPQR"
        Assert.AreEqual(76, buff[168]);

        // offset 169: 15-byte fixed length string.
        Assert.AreEqual(77, buff[169]);

        // offset 170: 15-byte fixed length string.
        Assert.AreEqual(78, buff[170]);

        // offset 171: 15-byte fixed length string.
        Assert.AreEqual(79, buff[171]);

        // offset 172: 15-byte fixed length string.
        Assert.AreEqual(80, buff[172]);

        // offset 173: 15-byte fixed length string.
        Assert.AreEqual(81, buff[173]);

        // offset 174: 15-byte fixed length string.
        Assert.AreEqual(82, buff[174]);

        // offset 175: zeroed part of fixed length string
        Assert.AreEqual(0, buff[175]);

        // offset 182: last zeroed byte of fixed length string
        Assert.AreEqual(0, buff[182]);

        // offset 183: type/units enum of Record3.VariableField1, single byte
        Assert.AreEqual(1, buff[183]);

        // offset 184: contents of Record3.VariableField1
        Assert.AreEqual(55, buff[184]);

        // offset 185: 2-byte unsigned short, count field for Record3.VariableLengthString1
        Assert.AreEqual(11, BitConverter.ToUInt16(buff, 185));

        // offset 50-60: 11 characters of VariableLengthString1 "hello world"
        Assert.AreEqual(104, buff[187]);
        Assert.AreEqual(101, buff[188]);
        Assert.AreEqual(108, buff[189]);
        Assert.AreEqual(108, buff[190]);
        Assert.AreEqual(111, buff[191]);
        Assert.AreEqual(32, buff[192]);
        Assert.AreEqual(119, buff[193]);
        Assert.AreEqual(111, buff[194]);
        Assert.AreEqual(114, buff[195]);
        Assert.AreEqual(108, buff[196]);
        Assert.AreEqual(100, buff[197]);

        // offset 61: format field of VariableFormatField1, unsigned byte
        Assert.AreEqual(0, buff[198]);

        // offset 62: count field of VariableFormatField1, unsigned int
        Assert.AreEqual(5, BitConverter.ToUInt16(buff, 199));

        // offset 66-70: 5 byte data of VariableFormatField1
        assertBufferSliceEqual(buff, data2, 203, 5);

        buff = new byte[10000];

        // 4th msg: activate the subsequence, activate only some fields inside subsequence's record...
        MsgIn msg4 = new MsgIn();

        msg4.getHeader().getHeaderRec().setMessageID(999);

        MsgIn.Body.Sequence.Subsequence.Record sseqRec =
            msg4.getBody().getSequence().getSubsequence().getRecord();

        sseqRec.setField1((sbyte)77);
        sseqRec.getVariableLengthField1().set(10, data1);
        sseqRec.getArray1().setElement1(1, (sbyte)10);
        sseqRec.getArray1().setElement1(3, (sbyte)20);
        sseqRec.getArray1().setElement1(5, (sbyte)30);
        sseqRec.getArray1().setElement1(7, (sbyte)40);
        sseqRec.getArray1().setElement1(9, (sbyte)50);
        sseqRec.getBitField1().setSubfield1((byte)1);
        sseqRec.setFixedLengthString1("ABCDE");
        sseqRec.getVariableField1().setMeterAsUnsignedByteAt1((byte)33);
        sseqRec.setVariableLengthString1("JTS=PWNT");
        sseqRec.getVariableFormatField1().set((byte)0, 5, data2);

        msg4.encode(buff, 0);

        // offset 0:    ushort w/ message ID
        Assert.AreEqual(999, BitConverter.ToUInt16(buff, 0));

        // offset 2:    ushort w/ Sequence's presence vector - 512 indicates only Subsequence present
        Assert.AreEqual(512, BitConverter.ToUInt16(buff, 2));

        // offset 4:    ubyte w/ Subsequence's presence vector - should be 1 indicating only first
        // record is present
        Assert.AreEqual(1, buff[4]);

        // offset 5: ubyte w/ Record's presence vector - 255 indicates all elements present
        Assert.AreEqual(255, buff[5]);

        // offset 6:    signed byte, Field1 fixed field
        Assert.AreEqual(77, buff[6]);

        // offset 7:    uint, variableLengthField1 count field...
        Assert.AreEqual(10, buff[7]);

        // offset 11-20: 10-byte variableLengthField1.
        assertBufferSliceEqual(buff, data1, 11, 10);

        // offset 21: Array1[0]
        Assert.AreEqual(0, buff[21]);

        // offset 22: Array1[1]
        Assert.AreEqual(10, buff[22]);

        // offset 23: Array1[2]
        Assert.AreEqual(0, buff[23]);

        // offset 24: Array1[3]
        Assert.AreEqual(20, buff[24]);

        // offset 26: Array1[5]
        Assert.AreEqual(30, buff[26]);

        // offset 28: Array1[7]
        Assert.AreEqual(40, buff[28]);

        // offset 30: Array1[9]
        Assert.AreEqual(50, buff[30]);

        // offset 31: BitField1, single unsigned byte
        Assert.AreEqual(1, buff[31]);

        // offset 32: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(65, buff[32]);

        // offset 33: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(66, buff[33]);

        // offset 34: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(67, buff[34]);

        // offset 35: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(68, buff[35]);

        // offset 36: 15-byte fixed length string.  first 5 chars: "ABCDE"
        Assert.AreEqual(69, buff[36]);

        // offset 37: zeroed part of fixed length string
        Assert.AreEqual(0, buff[37]);

        // offset 46: last zeroed byte of fixed length string
        Assert.AreEqual(0, buff[46]);

        // offset 47: type/units enum of VariableField1, single byte
        Assert.AreEqual(1, buff[47]);

        // offset 48: contents of VariableField1
        Assert.AreEqual(33, buff[48]);

        // offset 49: 2-byte unsigned short, count field for VariableLengthString1
        Assert.AreEqual(8, BitConverter.ToUInt16(buff, 49));

        // offset 51-61: 11 characters of VariableLengthString1 "hello world"
        Assert.AreEqual(74, buff[51]);
        Assert.AreEqual(84, buff[52]);
        Assert.AreEqual(83, buff[53]);
        Assert.AreEqual(61, buff[54]);
        Assert.AreEqual(80, buff[55]);
        Assert.AreEqual(87, buff[56]);
        Assert.AreEqual(78, buff[57]);
        Assert.AreEqual(84, buff[58]);

        // offset 59: format field of VariableFormatField1, unsigned byte
        Assert.AreEqual(0, buff[59]);

        // offset 60: count field of VariableFormatField1, unsigned int
        Assert.AreEqual(5, BitConverter.ToUInt16(buff, 60));

        // offset 64-69: 5 byte data of VariableFormatField1
        assertBufferSliceEqual(buff, data2, 64, 5);
    }