public void FileIsCopiedCorrectlyForNumberOfBitsBetween8And32()
{
var stopWatch = new Stopwatch();
using (var fileReader = new FileReader(filePathSource, new Buffer()))
{
using (var fileWriter = new FileWriter(filePathDestination, new Buffer()))
{
stopWatch.Start();
while (!fileReader.ReachedEndOfFile)
{
var random = new Random();
var numberOfBits = fileReader.BitsLeft < 32
? (byte)fileReader.BitsLeft
: (byte)random.Next(8, 32);
var readStuff = fileReader.ReadBits(numberOfBits);
fileWriter.WriteValueOnBits(readStuff, numberOfBits);
}
stopWatch.Stop();
}
}
Console.WriteLine($"File copying in '{TestMethods.GetCurrentMethodName()}' took {stopWatch.ElapsedMilliseconds} ms for {originalFileSizeInBytes} bytes");
Assert.IsTrue(TestMethods.FilesHaveTheSameContent(filePathSource, filePathDestination));
}
public void TestThatFileIsEncodedThenDecodedCorrectly(string fileTextContents)
{
TestMethods.CreateFileWithTextContents(filepathSource, fileTextContents);
arithmeticEncoder.EncodeFile(filepathSource, filepathEncodedFile);
arithmeticDecoder.DecodeFile(filepathEncodedFile, filepathDecodedFile);
Assert.IsTrue(TestMethods.FilesHaveTheSameContent(filepathSource, filepathDecodedFile));
}
public void TestThatFileIsEncodedThenDecodedCorrectly2(NearLosslessPredictorType predictorType)
{
var filepathImage = $"{Environment.CurrentDirectory}\\Images\\Peppers256an.bmp";
TestMethods.CopyFileAndReplaceIfAlreadyExists(filepathImage, filepathSource);
encoder.Encode(filepathSource, filepathEncodedFile, GetOptions(predictorType));
decoder.Decode(filepathEncodedFile, filepathDecodedFile);
Assert.IsTrue(TestMethods.FilesHaveTheSameContent(filepathSource, filepathDecodedFile));
}
public void FileIsCodedThenDecodedCorrectly3()
{
using (var fileReader = new FileReader(filePathSource, new Buffer()))
{
using (var fileWriter = new FileWriter(filePathEncodedFile, new Buffer()))
{
lzWEncoder.EncodeFile(fileReader, fileWriter, OnFullDictionaryOption.Empty, 9);
}
}
using (var fileReader = new FileReader(filePathEncodedFile, new Buffer()))
{
using (var fileWriter = new FileWriter(filePathDecodedFile, new Buffer()))
{
lzWDecoder.DecodeFile(fileReader, fileWriter);
}
}
Assert.IsTrue(TestMethods.FilesHaveTheSameContent(filePathSource, filePathDecodedFile));
}
public void FileIsEncryptedThenDecryptedCorrectly()
{
using (var fileReader = new FileReader(filePathSource, new Buffer()))
{
using (var fileWriter = new FileWriter(filePathEncryptedFile, new Buffer()))
{
rsaEncrypter.EncryptFile(fileReader, fileWriter, Constants.N, Constants.E);
}
}
using (var fileReader = new FileReader(filePathEncryptedFile, new Buffer()))
{
using (var fileWriter = new FileWriter(filePathDecryptedFile, new Buffer()))
{
rsaDecrypter.DecryptFile(fileReader, fileWriter, Constants.D);
}
}
Assert.IsTrue(TestMethods.FilesHaveTheSameContent(filePathSource, filePathDecryptedFile));
}
public void ImageIsEncodedThenDecodedCorrectly()
{
using (var fileReader = new FileReader(filePathSource, new Buffer()))
{
using (var fileWriter = new FileWriter(filePathEncodedFile, new Buffer()))
{
huffmanEncoder.EncodeFile(fileReader, fileWriter);
fileWriter.Buffer.Flush();
}
}
using (var fileReader = new FileReader(filePathEncodedFile, new Buffer()))
{
using (var fileWriter = new FileWriter(filePathDecodedFile, new Buffer()))
{
huffmanDecoder.DecodeFile(fileReader, fileWriter);
}
}
Assert.IsTrue(TestMethods.FilesHaveTheSameContent(filePathSource, filePathDecodedFile));
}
public void ImageIsEncodedThenDecodedCorrectlyWithImagePredictor2()
{
var imagePredictor = new ImagePredictor2();
using (var fileReader = new FileReader(filePathSource, new Buffer()))
{
using (var fileWriter = new FileWriter(filePathEncodedFile, new Buffer()))
{
imagePredictionEncoder.EncodeImage(fileReader, fileWriter, imagePredictor);
}
}
using (var fileReader = new FileReader(filePathEncodedFile, new Buffer()))
{
using (var fileWriter = new FileWriter(filePathDecodedFile, new Buffer()))
{
imagePredictionDecoder.DecodeImage(fileReader, fileWriter);
}
}
Assert.IsTrue(TestMethods.FilesHaveTheSameContent(filePathSource, filePathDecodedFile));
}
public void FileIsEncodedThenDecodedCorrectly3()
{
TestMethods.CreateBmpFileFromImage(filePathSource, Resources.capture);
using (var fileReader = new FileReader(filePathSource, new Buffer()))
{
using (var fileWriter = new FileWriter(filePathEncodedFile, new Buffer()))
{
lz77Encoder.EncodeFile(fileReader, fileWriter, Constants.BitsForOffset1, Constants.BitsForLength1);
}
}
using (var fileReader = new FileReader(filePathEncodedFile, new Buffer()))
{
using (var fileWriter = new FileWriter(filePathDecodedFile, new Buffer()))
{
lz77Decoder.DecodeFile(fileReader, fileWriter);
}
}
Assert.IsTrue(TestMethods.FilesHaveTheSameContent(filePathSource, filePathDecodedFile));
}
public void TestThatFileIsCopiedCorrectlyForNumberOfBitsBetween8And32(string fileTextContents)
{
TestMethods.CreateFileWithTextContents(filepathSource, fileTextContents);
var random = new Random();
fileReader.Open(filepathSource);
fileWriter.Open(filepathDestination);
while (!fileReader.ReachedEndOfFile)
{
var numberOfBits = fileReader.BitsLeft < 32
? (byte)fileReader.BitsLeft
: (byte)random.Next(8, 32);
var readStuff = fileReader.ReadBits(numberOfBits);
fileWriter.WriteValueOnBits(readStuff, numberOfBits);
}
fileReader.Close();
fileWriter.Close();
Assert.IsTrue(TestMethods.FilesHaveTheSameContent(filepathSource, filepathDestination));
}
