public void Decode()
{
var builder = new HuffmanCodecBuilder <byte>();
var tree = builder.BuildTree(Comparer <byte> .Default, symbolQuantityDic);
var decoder = builder.GetDecoder(tree);
var symbolsCount = symbolQuantityDic.Sum(x => x.Value);
decoder.Decode(new HuffmanDecoderInput(decoderReader), new StandardHuffmanDecoderOutput(decoderFileWriter, symbolsCount));
}
public void Decode()
{
var builder = new HuffmanCodecBuilder <Tuple <byte, DefaultableSymbol <byte> > >();
var tree = builder.BuildTree(new PairComparer(), symbolQuantityDic);
var decoder = builder.GetDecoder(tree);
int symbolsCount = symbolQuantityDic.Sum(x => x.Value);
decoder.Decode(new HuffmanDecoderInput(decoderReader), new PairHuffmanDecoderOutput(decoderFileWriter, symbolsCount, isByteCountEven));
}
public void GetDecoder_ReturnsOneSymbolDecoder_WhenOneSymbolOnly()
{
//given
var builder = new HuffmanCodecBuilder <char>();
var treeRoot = new HuffmanTreeNode <char>(value: 'a', quantity: 1);
//when
var decoder = builder.GetDecoder(treeRoot);
//then
Assert.IsInstanceOfType(decoder, typeof(OneSymbolDecoder <char>));
}
private Dictionary <DefaultableSymbol <byte>, IDecoder <byte> > createDecoderDictionary()
{
Dictionary <DefaultableSymbol <byte>, IDecoder <byte> > coderDictionary = new Dictionary <DefaultableSymbol <byte>, IDecoder <byte> >();
foreach (DefaultableSymbol <byte> key in perSymbolDictionary.Keys)
{
var builder = new HuffmanCodecBuilder <byte>();
var tree = builder.BuildTree(Comparer <byte> .Default, perSymbolDictionary[key]);
var decoder = builder.GetDecoder(tree);
coderDictionary.Add(key, decoder);
}
return(coderDictionary);
}
public void GetCoder_ReturnsHuffmanDecoder_WhenMoreThanOneSymbol()
{
//given when
var builder = new HuffmanCodecBuilder <char>();
var treeRoot = new HuffmanTreeNode <char>(value: 'a', quantity: 1);
var leftChild = new HuffmanTreeNode <char>(value: 'b', quantity: 1);
var rightChild = new HuffmanTreeNode <char>(value: 'c', quantity: 1);
treeRoot.LeftChild = leftChild;
treeRoot.RightChild = rightChild;
leftChild.Parent = rightChild.Parent = treeRoot;
//when
var decoder = builder.GetDecoder(treeRoot);
//then
Assert.IsInstanceOfType(decoder, typeof(HuffmanDecoder <char>));
}