MemoryStream Deflate(byte[] data, int level, bool zlib)
{
MemoryStream memoryStream = new MemoryStream();
Deflater deflater = new Deflater(level, !zlib);
using ( DeflaterOutputStream outStream = new DeflaterOutputStream(memoryStream, deflater) )
{
outStream.IsStreamOwner = false;
outStream.Write(data, 0, data.Length);
outStream.Flush();
outStream.Finish();
}
return memoryStream;
}
public void DeflatorStreamOwnership()
{
MemoryStreamEx memStream = new MemoryStreamEx();
DeflaterOutputStream s = new DeflaterOutputStream(memStream);
Assert.IsFalse(memStream.IsClosed, "Shouldnt be closed initially");
Assert.IsFalse(memStream.IsDisposed, "Shouldnt be disposed initially");
s.Close();
Assert.IsTrue(memStream.IsClosed, "Should be closed after parent owner close");
Assert.IsTrue(memStream.IsDisposed, "Should be disposed after parent owner close");
memStream = new MemoryStreamEx();
s = new DeflaterOutputStream(memStream);
Assert.IsFalse(memStream.IsClosed, "Shouldnt be closed initially");
Assert.IsFalse(memStream.IsDisposed, "Shouldnt be disposed initially");
s.IsStreamOwner = false;
s.Close();
Assert.IsFalse(memStream.IsClosed, "Should not be closed after parent owner close");
Assert.IsFalse(memStream.IsDisposed, "Should not be disposed after parent owner close");
}
public void CloseInflatorWithNestedUsing()
{
string tempFile = null;
try
{
tempFile = Path.GetTempPath();
}
catch (SecurityException)
{
}
Assert.IsNotNull(tempFile, "No permission to execute this test?");
if (tempFile != null)
{
tempFile = Path.Combine(tempFile, "SharpZipTest.Zip");
using (FileStream diskFile = File.Create(tempFile))
using (DeflaterOutputStream deflator = new DeflaterOutputStream(diskFile))
using (StreamWriter textWriter = new StreamWriter(deflator))
{
textWriter.Write("Hello");
textWriter.Flush();
}
using (FileStream diskFile = File.OpenRead(tempFile))
using (InflaterInputStream deflator = new InflaterInputStream(diskFile))
using (StreamReader textReader = new StreamReader(deflator))
{
char[] buffer = new char[5];
int readCount = textReader.Read(buffer, 0, 5);
Assert.AreEqual(5, readCount);
StringBuilder b = new StringBuilder();
b.Append(buffer);
Assert.AreEqual("Hello", b.ToString());
}
File.Delete(tempFile);
}
}
public void CloseDeflatorWithNestedUsing()
{
string tempFile = null;
try
{
tempFile = Path.GetTempPath();
}
catch (SecurityException)
{
}
Assert.IsNotNull(tempFile, "No permission to execute this test?");
if (tempFile != null)
{
tempFile = Path.Combine(tempFile, "SharpZipTest.Zip");
using (FileStream diskFile = File.Create(tempFile))
using (DeflaterOutputStream deflator = new DeflaterOutputStream(diskFile))
using (StreamWriter txtFile = new StreamWriter(deflator))
{
txtFile.Write("Hello");
txtFile.Flush();
}
File.Delete(tempFile);
}
}
