public void TestGZip()
{
MemoryStream ms = new MemoryStream();
GZipOutputStream outStream = new GZipOutputStream(ms);
byte[] buf = new byte[100000];
System.Random rnd = new Random();
rnd.NextBytes(buf);
outStream.Write(buf, 0, buf.Length);
outStream.Flush();
outStream.Finish();
ms.Seek(0, SeekOrigin.Begin);
GZipInputStream inStream = new GZipInputStream(ms);
byte[] buf2 = new byte[buf.Length];
int currentIndex = 0;
int count = buf2.Length;
while (true) {
int numRead = inStream.Read(buf2, currentIndex, count);
if (numRead <= 0) {
break;
}
currentIndex += numRead;
count -= numRead;
}
Assert.AreEqual(0, count);
for (int i = 0; i < buf.Length; ++i) {
Assert.AreEqual(buf2[i], buf[i]);
}
}
public void DelayedHeaderWriteNoData()
{
MemoryStream ms = new MemoryStream();
Assert.AreEqual(0, ms.Length);
using (GZipOutputStream outStream = new GZipOutputStream(ms)) {
Assert.AreEqual(0, ms.Length);
}
byte[] data = ms.ToArray();
Assert.IsTrue(data.Length > 0);
}
public void DelayedHeaderWriteWithData()
{
MemoryStream ms = new MemoryStream();
Assert.AreEqual(0, ms.Length);
using (GZipOutputStream outStream = new GZipOutputStream(ms)) {
Assert.AreEqual(0, ms.Length);
outStream.WriteByte(45);
// Should in fact contain header right now with
// 1 byte in the compression pipeline
Assert.AreEqual(10, ms.Length);
}
byte[] data = ms.ToArray();
Assert.IsTrue(data.Length > 0);
}
public void BigStream()
{
window_ = new WindowedStream(0x3ffff);
outStream_ = new GZipOutputStream(window_);
inStream_ = new GZipInputStream(window_);
long target = 0x10000000;
readTarget_ = writeTarget_ = target;
Thread reader = new Thread(Reader);
reader.Name = "Reader";
reader.Start();
Thread writer = new Thread(Writer);
writer.Name = "Writer";
DateTime startTime = DateTime.Now;
writer.Start();
writer.Join();
reader.Join();
DateTime endTime = DateTime.Now;
TimeSpan span = endTime - startTime;
Console.WriteLine("Time {0} processes {1} KB/Sec", span, (target / 1024) / span.TotalSeconds);
}
public void OutputStreamOwnership()
{
MemoryStreamEx memStream = new MemoryStreamEx();
GZipOutputStream s = new GZipOutputStream(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 GZipOutputStream(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");
}