public virtual void FrameTypeDecode()
{
byte[] data = new byte[14];
data[0] = 4; // name of the field is 4 bytes long
data[1] = 116; // t
data[2] = 101; // e
data[3] = 115; // s
data[4] = 116; // t
data[5] = 3; // data type code is 3 - String
data[6] = 0; // first byte of unsigned integer for length
data[7] = 0; // second byte of unsigned integer for length
data[8] = 0; // third byte of unsigned integer for length
data[9] = 4; // fourth byte of unsigned integer for length
data[10] = 97; // a
data[11] = 98; // b
data[12] = 99; // c
data[13] = 100; // d
object value = datatype.Decode(data);
Assert.True(value is DataFrame);
DataFrame frame = (DataFrame)value;
Assert.True(frame.Contains("test"));
Assert.True(frame.Size == 1);
DataField field = frame.Field[0]; // get the first field
Assert.NotNull(field);
Assert.True(field.Type == 3);
object fieldvalue = field.ObjectValue;
Assert.NotNull(fieldvalue);
Assert.True(fieldvalue is string);
string stringvalue = (string)fieldvalue;
Assert.True(stringvalue.Equals("abcd"));
}