public void BufferedMessageSetWriteToValidSequence()
{
byte[] messageBytes = new byte[] { 1, 2, 3, 4, 5 };
Message msg1 = new Message(messageBytes);
Message msg2 = new Message(messageBytes);
MessageSet messageSet = new BufferedMessageSet(new List <Message>()
{
msg1, msg2
});
MemoryStream ms = new MemoryStream();
messageSet.WriteTo(ms);
////first message
byte[] messageLength = new byte[MessageLengthPartLength];
Array.Copy(ms.ToArray(), MessageLengthPartOffset, messageLength, 0, MessageLengthPartLength);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(messageLength);
}
Assert.AreEqual(MagicNumberPartLength + AttributesPartLength + ChecksumPartLength + messageBytes.Length, BitConverter.ToInt32(messageLength, 0));
Assert.AreEqual(1, ms.ToArray()[MagicNumberPartOffset]); // default magic number should be 1
byte[] checksumPart = new byte[ChecksumPartLength];
Array.Copy(ms.ToArray(), ChecksumPartOffset, checksumPart, 0, ChecksumPartLength);
Assert.AreEqual(Crc32Hasher.Compute(messageBytes), checksumPart);
byte[] dataPart = new byte[messageBytes.Length];
Array.Copy(ms.ToArray(), DataPartOffset, dataPart, 0, messageBytes.Length);
Assert.AreEqual(messageBytes, dataPart);
////second message
int secondMessageOffset = MessageLengthPartLength + MagicNumberPartLength + AttributesPartLength + ChecksumPartLength +
messageBytes.Length;
messageLength = new byte[MessageLengthPartLength];
Array.Copy(ms.ToArray(), secondMessageOffset + MessageLengthPartOffset, messageLength, 0, MessageLengthPartLength);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(messageLength);
}
Assert.AreEqual(MagicNumberPartLength + AttributesPartLength + ChecksumPartLength + messageBytes.Length, BitConverter.ToInt32(messageLength, 0));
Assert.AreEqual(1, ms.ToArray()[secondMessageOffset + MagicNumberPartOffset]); // default magic number should be 1
checksumPart = new byte[ChecksumPartLength];
Array.Copy(ms.ToArray(), secondMessageOffset + ChecksumPartOffset, checksumPart, 0, ChecksumPartLength);
Assert.AreEqual(Crc32Hasher.Compute(messageBytes), checksumPart);
dataPart = new byte[messageBytes.Length];
Array.Copy(ms.ToArray(), secondMessageOffset + DataPartOffset, dataPart, 0, messageBytes.Length);
Assert.AreEqual(messageBytes, dataPart);
}
public void WriteToValidSequenceForDefaultConstructor()
{
byte[] messageBytes = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
Message message = new Message(messageBytes);
MemoryStream ms = new MemoryStream();
message.WriteTo(ms);
Assert.AreEqual(1, ms.ToArray()[MagicNumberPartOffset]); // default magic number should be 1
byte[] checksumPart = new byte[ChecksumPartLength];
Array.Copy(ms.ToArray(), ChecksumPartOffset, checksumPart, 0, ChecksumPartLength);
Assert.AreEqual(Crc32Hasher.Compute(messageBytes), checksumPart);
message.ToString();
byte[] dataPart = new byte[messageBytes.Length];
Array.Copy(ms.ToArray(), DataPartOffset, dataPart, 0, messageBytes.Length);
Assert.AreEqual(messageBytes, dataPart);
}
/// <summary>
/// Initializes a new instance of the Message class.
/// </summary>
/// <remarks>
/// Initializes the checksum as null. It will be automatically computed.
/// </remarks>
/// <param name="payload">The data for the payload.</param>
/// <param name="magic">The magic identifier.</param>
public Message(byte[] payload, CompressionCodecs compressionCodec)
: this(payload, Crc32Hasher.Compute(payload), compressionCodec)
{
Guard.NotNull(payload, "payload");
}