public void StreamCompression()
{
var plain = PlainText.ToStream();
Assert.IsTrue(plain.Length > 0);
foreach (var compressor in _compressors)
{
if (IsDebugEnabled)
{
log.Debug("Compressor : " + compressor.GetType().FullName);
}
Compressor.InnerCompressor = compressor;
plain.SetStreamPosition();
using (var compressed = Compressor.Compress(plain)) {
compressed.SetStreamPosition();
using (var restored = Compressor.Decompress(compressed)) {
restored.SetStreamPosition();
Assert.AreEqual(PlainText, restored.ToText());
}
}
}
}
public void Adaptor_Compress_Decompress_By_Stream_InParallel()
{
var plainStream = PlainText.ToStream();
Parallel.ForEach(_compressors,
compressor => {
var adapter = new CompressAdapter(compressor);
var compressed = adapter.Compress(plainStream);
var recoveryStream = new MemoryStream(compressed.Length * 2);
adapter.Decompress(compressed, recoveryStream);
// 데이터가 써졌으므로, 다시 원 위치로 설정해줘야 합니다.
recoveryStream.SetStreamPosition();
Assert.IsTrue(recoveryStream.Length > 0);
Assert.AreEqual(PlainText, recoveryStream.ToText());
});
}
public void BZip2_Compress_Extract_Test()
{
var plainStream = PlainText.ToStream();
plainStream.Seek(0, SeekOrigin.Begin);
var plainData = Encoding.UTF8.GetBytes(PlainText);
byte[] compressedData;
byte[] extractedData;
// Compress
using (var compressedStream = new MemoryStream())
using (var bz2 = new BZip2OutputStream(compressedStream)) {
bz2.Write(plainData, 0, plainData.Length);
bz2.Close();
compressedData = compressedStream.ToArray();
}
Assert.IsNotNull(compressedData);
// Array.Resize(ref compressedData, compressedData.Length+1);
// compressedData[compressedData.Length - 1] = (byte)0;
// Extract
using (var compressedStream = new MemoryStream(compressedData))
using (var bz2 = new BZip2InputStream(compressedStream))
using (var extractedStream = new MemoryStream()) {
StreamTool.CopyStreamToStream(bz2, extractedStream);
extractedData = extractedStream.ToArray();
}
Assert.IsNotNull(extractedData);
string extractedText = Encoding.UTF8.GetString(extractedData).TrimEnd('\0');
Assert.AreEqual(PlainText, extractedText);
}
public void CompressStreamAsyncTest()
{
var plain = PlainText.ToStream();
Assert.IsTrue(plain.Length > 0);
foreach (var compressor in _compressors)
{
if (IsDebugEnabled)
{
log.Debug("Compressor : " + compressor.GetType().FullName);
}
plain.SetStreamPosition();
using (var compressed = compressor.CompressStreamAsync(plain).Result) {
compressed.SetStreamPosition();
using (var restored = compressor.DecompressStreamAsync(compressed).Result) {
restored.SetStreamPosition();
Assert.AreEqual(PlainText, restored.ToText());
}
}
}
}
public void GZip_Compress_Extract_Test()
{
var plainStream = PlainText.ToStream();
plainStream.Seek(0, SeekOrigin.Begin);
var plainData = Encoding.UTF8.GetBytes(PlainText);
byte[] compressedData;
byte[] extractedData;
// Compress
using (var compressedStream = new MemoryStream())
using (var gzs = new GZipOutputStream(compressedStream)) {
gzs.SetLevel(5);
gzs.Write(plainData, 0, plainData.Length);
gzs.Finish();
compressedData = compressedStream.ToArray();
}
Assert.IsNotNull(compressedData);
// Extract
using (var compressedStream = new MemoryStream(compressedData)) {
// compressedStream.Seek(0, SeekOrigin.Begin);
using (var gzs = new GZipInputStream(compressedStream))
using (var extractedStream = new MemoryStream()) {
StreamTool.CopyStreamToStream(gzs, extractedStream);
extractedData = extractedStream.ToArray();
}
}
Assert.IsNotNull(extractedData);
string extractedText = Encoding.UTF8.GetString(extractedData).TrimEnd('\0');
Assert.AreEqual(PlainText, extractedText);
}
