public void LuigiMetadataBlock_InflateUnknownBlock_ProducesBaseMetadataBlock()
{
using (var rawMetadataBlock = new System.IO.MemoryStream())
{
rawMetadataBlock.WriteByte((byte)LuigiDataBlockType.Metadata);
rawMetadataBlock.WriteByte(2);
rawMetadataBlock.WriteByte(0); // two byte payload length
var headerCrc = Crc8.OfBlock(rawMetadataBlock.ToArray());
rawMetadataBlock.WriteByte(headerCrc);
var payload = new byte[] { 0xED, 2 };
var payloadCrc = Crc32.OfBlock(payload, Crc32Polynomial.Castagnoli);
var payloadCrcBytes = BitConverter.GetBytes(payloadCrc);
rawMetadataBlock.Write(payloadCrcBytes, 0, payloadCrcBytes.Length);
rawMetadataBlock.Write(payload, 0, payload.Length);
rawMetadataBlock.Seek(0, System.IO.SeekOrigin.Begin);
var data = rawMetadataBlock.ToArray();
using (var reader = new BinaryReader(rawMetadataBlock))
{
var metadataBlock = LuigiMetadataBlock.Inflate(reader);
Assert.NotNull(metadataBlock);
Assert.Equal(headerCrc, metadataBlock.HeaderCrc);
Assert.Equal(payloadCrc, metadataBlock.PayloadCrc);
Assert.True(metadataBlock is LuigiMetadataBlock);
}
}
}
public void LuigiMetadataBlock_InflateStringWithBadCharacters_ProducesExpectedStringMetadata()
{
using (var metadataStream = new System.IO.MemoryStream())
{
var stringPayload = new byte[255]; // put the values 1..255 as a "string" in a name metadata
for (var i = 0; i < 255; ++i)
{
stringPayload[i] = (byte)(256 - i);
}
var metadataPayload = new System.IO.MemoryStream();
metadataPayload.WriteByte((byte)LuigiMetadataIdTag.Name);
metadataPayload.WriteByte((byte)stringPayload.Length);
metadataPayload.Write(stringPayload, 0, stringPayload.Length);
var payload = metadataPayload.ToArray();
metadataStream.WriteByte((byte)LuigiDataBlockType.Metadata);
var payloadLengthBytes = BitConverter.GetBytes((ushort)payload.Length);
metadataStream.Write(payloadLengthBytes, 0, payloadLengthBytes.Length);
var headerCrc = Crc8.OfBlock(metadataStream.ToArray());
metadataStream.WriteByte(headerCrc);
var payloadCrc = Crc32.OfBlock(payload, Crc32Polynomial.Castagnoli);
var payloadCrcBytes = BitConverter.GetBytes(payloadCrc);
metadataStream.Write(payloadCrcBytes, 0, payloadCrcBytes.Length);
metadataStream.Write(payload, 0, payload.Length);
metadataStream.Seek(0, System.IO.SeekOrigin.Begin);
var metadataBlock = LuigiMetadataBlock.Inflate(metadataStream) as LuigiMetadataBlock;
var expectedString = System.Text.Encoding.UTF8.GetString(stringPayload).Trim('\0');
Assert.Equal(expectedString, metadataBlock.LongNames.First());
}
}