public void AddByteThenReadNibble()
{
var sink = new BitSink();
sink.AddByte(0xFE);
Assert.IsTrue(sink.CanRead(4));
Assert.AreEqual(0xE, sink.Read(4));
Assert.IsTrue(sink.CanRead(4));
Assert.AreEqual(0xF, sink.Read(4));
Assert.IsFalse(sink.CanRead(4));
}
public void AddBytesThenReadBytes()
{
var sink = new BitSink();
sink.AddByte(0xFF);
sink.AddByte(0x00);
sink.AddByte(0x0F);
sink.AddByte(0xF0);
sink.AddByte(0xFF);
Assert.AreEqual(0xFF, sink.Read(8));
Assert.AreEqual(0x00, sink.Read(8));
Assert.AreEqual(0x0F, sink.Read(8));
Assert.AreEqual(0xF0, sink.Read(8));
Assert.AreEqual(0xFF, sink.Read(8));
}
public void AddNiblesThenReadByte()
{
var sink = new BitSink();
sink.AddBits(0xE, 4);
sink.AddBits(0xF, 4);
Assert.AreEqual(0xFE, sink.Read(8));
}
public static IEnumerable<byte> PackBytes(IEnumerable<byte> sourceBytes, int bits)
{
var sink = new BitSink();
foreach (byte sourceByte in sourceBytes)
{
sink.AddBits(sourceByte, bits);
while (sink.CanRead(8))
{
yield return sink.Read(8);
}
}
if (!sink.IsEmpty) yield return sink.ReadRemaining();
}
public static IEnumerable<byte> UnpackBytes(IEnumerable<byte> sourceBytes, int bits, bool discardRemainder)
{
var sink = new BitSink();
foreach (byte sourceByte in sourceBytes)
{
sink.AddByte(sourceByte);
while (sink.CanRead(bits))
{
yield return sink.Read(bits);
}
}
if (!(sink.IsEmpty || discardRemainder))
yield return sink.ReadRemaining();
}