public void Given_TheAddressIncrementIsIncorrect_When_ParseIsCalled_Then_NullIsReturned()
{
List <byte> bytes = new List <byte>();
UInt16 propertyCount = 5;
byte length = (byte)(DMPLayer.MinLength + propertyCount);
UInt16 expectedFlagsAndLength = (UInt16)(0x7 << 12 | length);
bytes.AddRange(new byte[] { 0x7 << 4, (length) }); // flags and length
DMPLayerVector expectedVector = DMPLayerVector.VECTOR_DMP_SET_PROPERTY;
bytes.Add((byte)expectedVector); // Vector
byte expectedAddressAndDataType = DMPLayer.AddressTypeAndDataType;
bytes.Add(expectedAddressAndDataType);
bytes.AddRange(new byte[] { 0, 0 }); // first property address
bytes.AddRange(new byte[] { 0, 42 }); // address increment
bytes.AddRange(new byte[] { 0, (byte)propertyCount }); // property count
var expectedProperties = Enumerable.Range(0, propertyCount).Select(x => (byte)x);
bytes.Add(0); // start code
bytes.AddRange(expectedProperties);
var dmpLayer = DMPLayer.Parse(bytes.ToArray());
Assert.Null(dmpLayer);
}
public static List <byte> GetDMPLayer(IEnumerable <byte> properties)
{
List <byte> bytes = new List <byte>();
UInt16 propertyCount = (UInt16)properties.Count();
byte length = (byte)(DMPLayer.MinLength + propertyCount);
bytes.AddRange(new byte[] { 0x7 << 4, (length) }); // flags and length
DMPLayerVector expectedVector = DMPLayerVector.VECTOR_DMP_SET_PROPERTY;
bytes.Add((byte)expectedVector); // Vector
byte expectedAddressAndDataType = DMPLayer.AddressTypeAndDataType;
bytes.Add(expectedAddressAndDataType);
bytes.AddRange(new byte[] { 0, 0 }); // first property address
bytes.AddRange(new byte[] { 0, 1 }); // address increment
bytes.AddRange(new byte[] { 0, (byte)(propertyCount + 1) }); // property count
bytes.Add(0); // start code
bytes.AddRange(properties);
return(bytes);
}
