public void Crc32Stream_4()
{
if (ZLibInit.ZLibProvided)
{
using (MemoryStream ms = new MemoryStream())
using (Crc32Stream crc = new Crc32Stream(ms))
{
byte[] bin = Encoding.UTF8.GetBytes("ABCDEF");
crc.Write(bin, 0, bin.Length);
Assert.IsTrue(crc.Checksum == 0xBB76FE69);
}
}
}
public void Crc32Stream_3()
{
if (ZLibInit.ZLibProvided)
{
string filePath = Path.Combine(TestSetup.SampleDir, "ex3.jpg");
using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
using (MemoryStream ms = new MemoryStream())
using (Crc32Stream crc = new Crc32Stream(ms))
{
fs.CopyTo(crc);
Assert.IsTrue(crc.Checksum == 0x63D4D64B);
}
}
}
public void TestCrc32Stream()
{
using (FileStream decFs = File.OpenRead(Path.Combine(TEST_ARCHIVES_PATH, "Tar.tar")))
{
var crc32 = new CRC32().GetCrc32(decFs);
decFs.Seek(0, SeekOrigin.Begin);
var memory = new MemoryStream();
var crcStream = new Crc32Stream(memory, 0xEDB88320, 0xFFFFFFFF);
decFs.CopyTo(crcStream);
decFs.Seek(0, SeekOrigin.Begin);
var crc32a = crcStream.Crc;
var crc32b = Crc32Stream.Compute(memory.ToArray());
Assert.Equal(crc32, crc32a);
Assert.Equal(crc32, crc32b);
}
}
