public void CompressFile4BitDigitOddLength()
{
const string STR = "12345678905";
string filePath = Path.Combine(TestContext.CurrentContext.TestDirectory, "testCompressFile4BitDigitOddLength.");
writeStringFile(filePath + "txt", STR);
Compression.CompressFile4BitDigit(filePath + "txt", filePath + "4bitDigit");
string readBack = read4BitDigitFileAsString(filePath + "4bitDigit");
File.Delete(filePath + ".txt");
File.Delete(filePath + ".4bitDigit");
Assert.AreEqual(STR, readBack);
Console.WriteLine(readBack);
}