public void InputStreamOwnership()
{
var memStream = new TrackedMemoryStream();
var s = new LzwInputStream(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 TrackedMemoryStream();
s = new LzwInputStream(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 DoubleClose()
{
var memStream = new TrackedMemoryStream();
var s = new GZipOutputStream(memStream);
s.Finish();
s.Close();
s.Close();
memStream = new TrackedMemoryStream();
using (GZipOutputStream no2 = new GZipOutputStream(memStream)) {
s.Close();
}
}
public void WriteAfterClose()
{
TrackedMemoryStream memStream=new TrackedMemoryStream();
GZipOutputStream s=new GZipOutputStream(memStream);
s.Close();
try
{
s.WriteByte(7);
Assert.Fail("Write should fail");
}
catch
{
}
}
public void DoubleFooter()
{
TrackedMemoryStream memStream=new TrackedMemoryStream();
GZipOutputStream s=new GZipOutputStream(memStream);
s.Finish();
Int64 length=memStream.Length;
s.Close();
Assert.AreEqual(length, memStream.ToArray().Length);
}
public void DeflatorStreamOwnership()
{
TrackedMemoryStream memStream = new TrackedMemoryStream();
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 TrackedMemoryStream();
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");
}
byte[] MakeLocalHeader(string asciiName, short versionToExtract, short flags, short method,
int dostime, int crc, int compressedSize, int size)
{
using ( TrackedMemoryStream ms = new TrackedMemoryStream())
{
ms.WriteByte((byte)'P');
ms.WriteByte((byte)'K');
ms.WriteByte(3);
ms.WriteByte(4);
ms.WriteLEShort(versionToExtract);
ms.WriteLEShort(flags);
ms.WriteLEShort(method);
ms.WriteLEInt(dostime);
ms.WriteLEInt(crc);
ms.WriteLEInt(compressedSize);
ms.WriteLEInt(size);
byte[] rawName = Encoding.ASCII.GetBytes(asciiName);
ms.WriteLEShort((short)rawName.Length);
ms.WriteLEShort(0);
ms.Write(rawName, 0, rawName.Length);
return ms.ToArray();
}
}
public void BaseNotClosedWhenNotOwner()
{
TrackedMemoryStream ms=new TrackedMemoryStream();
Assert.IsFalse(ms.IsClosed, "Underlying stream should NOT be closed");
using( ZipOutputStream stream=new ZipOutputStream(ms) ) {
Assert.IsTrue(stream.IsStreamOwner, "Should be stream owner by default");
stream.IsStreamOwner=false;
}
Assert.IsFalse(ms.IsClosed, "Underlying stream should still NOT be closed");
}
public void BaseClosedAfterFailure()
{
TrackedMemoryStream ms=new TrackedMemoryStream(new byte[32]);
Assert.IsFalse(ms.IsClosed, "Underlying stream should NOT be closed initially");
bool blewUp = false;
try {
using( ZipOutputStream stream=new ZipOutputStream(ms) ) {
Assert.IsTrue(stream.IsStreamOwner, "Should be stream owner by default");
try {
stream.PutNextEntry(new ZipEntry("Tiny"));
stream.Write(new byte[32], 0, 32);
}
finally {
Assert.IsFalse(ms.IsClosed, "Stream should still not be closed.");
stream.Close();
Assert.Fail("Exception not thrown");
}
}
}
catch {
blewUp = true;
}
Assert.IsTrue(blewUp, "Should have failed to write to stream");
Assert.IsTrue(ms.IsClosed, "Underlying stream should be closed");
}
public void WriteAfterFinish()
{
var memStream = new TrackedMemoryStream();
var s = new GZipOutputStream(memStream);
s.Finish();
try {
s.WriteByte(7);
Assert.Fail("Write should fail");
} catch {
}
}
