public void GetHuffmanTree_NotEmptyText_HuffmanTree()
{
var algo = new AlgorithmHuffman();
var text = "I was here last summer.";
var tree = algo.GetHuffmanTree(text);
var symbols = tree.GetAllSymbol();
var expected = new List <(string, string, int)>
{
("r", "000", 2),
(".", "0010", 1),
("w", "0011", 1),
("u", "0100", 1),
("t", "0101", 1),
("l", "0110", 1),
("I", "01110", 1),
("h", "01111", 1),
("e", "100", 3),
("s", "101", 3),
(" ", "110", 4),
("m", "1110", 2),
("a", "1111", 2),
};
Assert.IsTrue(AreEqual(symbols, expected));
}
public void GetHuffmanTree_EmptyText_Exception()
{
var algo = new AlgorithmHuffman();
var text = string.Empty;
Assert.Throws <Exception>(() => algo.GetHuffmanTree(text));
}