public virtual void testEncode()
{
// empty frame should yield no bytes
DataFrame data = new DataFrame();
byte[] value = datatype.Encode(data);
Assert.True(value.Length == 0);
//other tests actually depend on the encoding of each field and their field types.
// Add a string with the name of test
data.Add("test", "abc");
value = datatype.Encode(data);
Assert.True(value.Length == 13);
Assert.True(value[0] == 4); // name of the field is 4 bytes long
Assert.True(value[1] == 116); // t
Assert.True(value[2] == 101); // e
Assert.True(value[3] == 115); // s
Assert.True(value[4] == 116); // t
Assert.True(value[5] == 3); // data type code is 3 - String
Assert.True(value[6] == 0); // first byte of unsigned integer for length
Assert.True(value[7] == 0); // second byte of unsigned integer for length
Assert.True(value[8] == 0); // third byte of unsigned integer for length
Assert.True(value[9] == 3); // fourth byte of unsigned integer for length
Assert.True(value[10] == 97); // a
Assert.True(value[11] == 98); // b
Assert.True(value[12] == 99); // c
}