public virtual void TestImageCompressLevel()
{
byte[] b = ImageDataFactory.Create(sourceFolder + "berlin2013.jpg").GetData();
ByteArrayOutputStream image = new ByteArrayOutputStream();
image.AssignBytes(b, b.Length);
MemoryStream byteArrayStream1 = new ByteArrayOutputStream();
DeflaterOutputStream zip = new DeflaterOutputStream(byteArrayStream1, 9);
image.WriteTo(zip);
MemoryStream byteArrayStream2 = new ByteArrayOutputStream();
DeflaterOutputStream zip2 = new DeflaterOutputStream(byteArrayStream2, -1);
image.WriteTo(zip2);
NUnit.Framework.Assert.IsTrue(byteArrayStream1.Length == byteArrayStream2.Length);
zip.Dispose();
zip2.Dispose();
}