public void ReadFewPortions(int fileSize, int portionSize)
{
var bytes = TC.GetRandomBytes(fileSize);
TC.CreateNewTestArchive(bytes);
using (var reader = new UncompressedFileReader(TC.TestArchivePath, portionSize))
{
var portionBytes = (reader.ReadNextPortion() as MemoryStream).ToArray();
CollectionAssert.AreEqual(
bytes.Take(portionSize).ToArray(), portionBytes);
Assert.AreEqual(portionSize, portionBytes.Length);
portionBytes = (reader.ReadNextPortion() as MemoryStream).ToArray();
CollectionAssert.AreEqual(
bytes.Skip(portionSize).Take(portionSize).ToArray(), portionBytes);
Assert.AreEqual(portionSize, portionBytes.Length);
portionBytes = (reader.ReadNextPortion() as MemoryStream).ToArray();
CollectionAssert.AreEqual(
bytes.Skip(portionSize * 2).Take(portionSize).ToArray(), portionBytes);
Assert.AreEqual(portionSize, portionBytes.Length);
portionBytes = (reader.ReadNextPortion() as MemoryStream).ToArray();
CollectionAssert.AreEqual(
bytes.Skip(portionSize * 3).ToArray(), portionBytes);
Assert.AreEqual(fileSize - portionSize * 3, portionBytes.Length);
Assert.AreEqual(null, reader.ReadNextPortion());
Assert.AreEqual(null, reader.ReadNextPortion());
Assert.AreEqual(null, reader.ReadNextPortion());
}
}
public void ReadFromEmptyFile()
{
TC.CreateNewTestArchive();
using (var reader = new UncompressedFileReader(TC.TestArchivePath, 100))
{
var portion = reader.ReadNextPortion();
Assert.IsNull(portion);
}
}
static void Main(string[] args)
{
Console.CancelKeyPress += (sender, ceArgs) =>
{
StatusManager.ProcessIsCanceled = true;
ConsoleLogger.WriteDiagnosticInfo(PROCESS_CANCELLED);
Environment.Exit(FAILURE_EXIT_CODE);
};
try
{
Validation.CheckInputParameters(args);
var inputFile = new FileInfo(args[1]);
var threadManager = new ThreadManager();
FileReader fileReader = null;
FileWriter fileWriter = null;
Archiever archiever = null;
OperationType operationType = OperationType.Compress;
GZipBlockArchiver compressor = new GZipBlockArchiver(args[1], args[2], threadManager, inputFile.Length);
if (args[0] == Dictionary.COMPRESS_COMMAND)
{
fileReader = new UncompressedFileReader(args[1], compressor.CompressedDataManagers);
fileWriter = new CompressedFileWriter(args[2], compressor.DictionaryWritingManager);
archiever = new Compressor(compressor.CompressedDataManagers, compressor.DictionaryWritingManager);
}
else
{
fileReader = new CompressedFileReader(args[1], compressor.CompressedDataManagers);
fileWriter = new DecompressedFileWriter(args[2], compressor.DictionaryWritingManager);
archiever = new Decompressor(compressor.CompressedDataManagers, compressor.DictionaryWritingManager);
operationType = OperationType.Decompress;
}
var processResult = compressor.Start(fileReader, archiever, fileWriter, operationType);
Console.CursorTop += 1;
if (processResult && !StatusManager.ProcessIsCanceled)
{
ConsoleLogger.WriteSuccessInfo($"{args[2]} : {SUCCESS_CREATED}");
}
else
{
ConsoleLogger.WriteError($"{args[2]}: {FAILURE_CREATED}");
}
}
catch (Exception ex)
{
ConsoleLogger.WriteError(FAILURE_CREATED);
Console.WriteLine(END_PROCESS);
Console.ReadKey();
}
}
