public void DeserializationFailsWithInsufficientData()
{
var value = new ProtocolHeader(Random.Chars(count: 4), Random.Byte(), new ProtocolVersion(Random.Byte(), Random.Byte(), Random.Byte()));
var result = ProtocolHeader.Deserialize(new Byte[0], out var _, out var _);
Assert.False(result);
}
public void SerializedSizeIsEightBytes()
{
var value = new ProtocolHeader(Random.Chars(count: 4), Random.Byte(), new ProtocolVersion(Random.Byte(), Random.Byte(), Random.Byte()));
var buffer = new ArrayBufferWriter <Byte>(8);
value.Serialize(buffer);
Assert.Equal(expected: 8, actual: buffer.WrittenCount);
}
public void SerializationIsSymmetric()
{
var buffer = new ArrayBufferWriter <Byte>(8);
var value = new ProtocolHeader(Random.Chars(count: 4), Random.Byte(), new ProtocolVersion(Random.Byte(), Random.Byte(), Random.Byte()));
value.Serialize(buffer);
ProtocolHeader.Deserialize(buffer.WrittenMemory.Span, out var deserialized, out var _);
Assert.Equal(expected: value, actual: deserialized);
}
public void DeserializationReturnsSurplusData()
{
var value = new ProtocolHeader(Random.Chars(count: 4), Random.Byte(), new ProtocolVersion(Random.Byte(), Random.Byte(), Random.Byte()));
var extra = Random.UInt();
var buffer = new ArrayBufferWriter <Byte>(12);
buffer.WriteSerializable(value)
.WriteUInt32LE(extra);
ProtocolHeader.Deserialize(buffer.WrittenMemory.Span, out var _, out var surplus);
Assert.Equal(expected: sizeof(UInt32), actual: surplus.Length);
Assert.Equal(expected: extra, actual: BitConverter.ToUInt32(surplus));
}
