public static void Serialize_Class(object obj, BitStreamWriter writer)
{
if (obj == null)
{
writer.WriteBit(false);
return;
}
writer.WriteBit(true);
NetSerializer.Serialize(obj, writer);
}
public void ShouldNot_WriteBitsAndBytes()
{
var stream = new BitStream();
stream.AllowUnalignedOperations = false;
var writer = new BitStreamWriter(stream);
var val = new byte[] { 0xFF, 0x01, 0xCC, 0xAA };
writer.WriteBit(0);
writer.WriteBit(1);
Assert.Throws <StreamUnalignedException>(() => writer.Write(val));
}
public static void Serialize(ref String value, BitStreamWriter writer)
{
if (value != null)
{
writer.WriteBit(true);
writer.WriteString(value);
}
else
{
writer.WriteBit(false);
}
}
public void Should_WriteBit()
{
var stream = new BitStream();
var writer = new BitStreamWriter(stream);
writer.WriteBit(0);
writer.WriteBit(1);
writer.WriteBit(true);
writer.WriteBit(new Bit(1));
writer.Flush();
Assert.AreEqual(1, stream.Length);
var bytes = stream.ToArray();
// we wrote 0111 binary, which is 14
Assert.AreEqual(14, bytes[0]);
}
//0 xxxxxxx // val 0 - 127 // 8 bits
//10 xxxxxxxx // val 128 - 383 // 10 bits
//11 xxxxxxxx0 // val 384 - 639 // 11 bits
//11 xxxxxxxx1 xxxx0 // val 384 - 4479 // 16 bits
//11 xxxxxxxx1 xxxx1 xxxx0 // 384 - 65919 // 21 bits
//11 xxxxxxxx1 xxxx1 xxxx1 xxxx1 xxxx1 xxxx1 xxxx1 xxxx1 xxxx1 xxxx1 xxxx1 xxxx1 xxxx1 xxxx1 xxxx0 // 81 bits worst case
public static void WriteDynamicLength(BitStreamWriter aWriter, ulong aValue)
{
if (aValue < 128)
{
aWriter.WriteBit(0);
aWriter.WriteBits(aValue, 7);
}
else if (aValue < 384)
{
aWriter.WriteBit(1);
aWriter.WriteBit(0);
aWriter.WriteBits(aValue - 128UL, 8);
}
else
{
aValue -= 384UL;
aWriter.WriteBit(1);
aWriter.WriteBit(1);
aWriter.WriteBits(aValue, 8);
aValue >>= 8;
while (aValue > 0)
{
aWriter.WriteBit(1);
aWriter.WriteBits(aValue, 4);
aValue >>= 4;
}
aWriter.WriteBit(0);
}
}
public void Should_WriteBitsAndBytes()
{
var stream = new BitStream();
stream.AllowUnalignedOperations = true;
var writer = new BitStreamWriter(stream);
var val = new byte[] { 0xFF, 0x01, 0xCC, 0xAA };
writer.WriteBit(0);
writer.WriteBit(1);
writer.Write(val);
writer.Flush();
Assert.AreEqual(val.Length + 1, stream.Length);
var bytes = stream.ToArray();
CollectionAssert.AreNotEqual(val, bytes);
CollectionAssert.AreEqual(new byte[] { 254, 7, 48, 171, 2 }, bytes);
}
public static void WriteBool(this BitStreamWriter writer, Boolean value)
{
writer.WriteBit(value);
}
public void Serialize(BitStreamWriter aWriter)
{
aWriter.WriteBit(1);
aWriter.WriteBits(data, 8);
}
public void Serialize(BitStreamWriter aWriter)
{
aWriter.WriteBit(0);
left.Serialize(aWriter);
right.Serialize(aWriter);
}