public decimal GetCompressionRate(Person p, int wordLength, CompressionType type)
{
string fUncompressed = SaveHuffmanEncodedSequence(p, wordLength);
IArchiver archiver = GetArchiver(type);
var fiToBeCompressed = new FileInfo(fUncompressed);
string fCompressed = archiver.Compress(fiToBeCompressed);
var fiCompressed = new FileInfo(fCompressed);
//compression rate
if (fiCompressed.Length == 0)
{
throw new ArgumentException();
}
decimal rate = (decimal)fiToBeCompressed.Length / fiCompressed.Length;
//remove the files
fiToBeCompressed.Delete();
fiCompressed.Delete();
return(rate);
}
public void CompressWhenInputFolderPathIsNullThrowsArgumentNullException()
{
_archiver.Compress(null);
}