public void ParseFromValid()
{
Crc32 crc32 = new Crc32();
string payload = "kafka";
byte magic = 0;
byte[] payloadData = Encoding.UTF8.GetBytes(payload);
byte[] payloadSize = BitConverter.GetBytes(payloadData.Length);
byte[] checksum = crc32.ComputeHash(payloadData);
byte[] messageData = new byte[payloadData.Length + 1 + payloadSize.Length + checksum.Length];
Buffer.BlockCopy(payloadSize, 0, messageData, 0, payloadSize.Length);
messageData[4] = magic;
Buffer.BlockCopy(checksum, 0, messageData, payloadSize.Length + 1, checksum.Length);
Buffer.BlockCopy(payloadData, 0, messageData, payloadSize.Length + 1 + checksum.Length, payloadData.Length);
Message message = Message.ParseFrom(messageData);
Assert.IsNotNull(message);
Assert.AreEqual(magic, message.Magic);
Assert.IsTrue(payloadData.SequenceEqual(message.Payload));
Assert.IsTrue(checksum.SequenceEqual(message.Checksum));
}
/// <summary>
/// Calculates the CRC32 checksum on the payload of the message.
/// </summary>
/// <returns>The checksum given the payload.</returns>
private byte[] CalculateChecksum()
{
Crc32 crc32 = new Crc32();
return crc32.ComputeHash(Payload);
}
/// <summary>
/// Calculates the CRC32 checksum on the payload of the message.
/// </summary>
/// <returns>The checksum given the payload.</returns>
private byte[] CalculateChecksum()
{
Crc32 crc32 = new Crc32();
return crc32.ComputeHash(GetMessageBytesWithoutCrc());
}
