public void Decode_NumberOfSymbolsReturnedIsEqualToNumberOfBits()
{
//given
var decoder = new OneSymbolDecoder <char>('x');
var input = new MockDecoderInput(new List <int> {
1, 1, 1, 1
});
var output = new MockDecoderOutput(new List <char> {
'x', 'x', 'x', 'x'
});
//when
decoder.Decode(input, output);
//then
output.AssertCorrectOutput();
}
public void Decode_FourSymbols_DeepTree()
{
//given
var tree = MockHuffmanTreeBuilder.Build('a', '#', 'b', '#', 'c', 'd');
var decoder = new HuffmanDecoder <char>(tree);
var input = new MockDecoderInput(new List <int> {
0, 1, 0, 1, 1, 0, 1, 1, 1
});
var output = new MockDecoderOutput(new List <char> {
'a', 'b', 'c', 'd'
});
//when
decoder.Decode(input, output);
//then
output.AssertCorrectOutput();
}
public void Decode_ThreeSymbols_TwoAreRight()
{
//given
var tree = MockHuffmanTreeBuilder.Build('c', '#', 'x', 'a');
var decoder = new HuffmanDecoder <char>(tree);
var input = new MockDecoderInput(new List <int> {
0, 1, 1, 1, 0
});
var output = new MockDecoderOutput(new List <char> {
'c', 'a', 'x'
});
//when
decoder.Decode(input, output);
//then
output.AssertCorrectOutput();
}
