public void Test_DIFAT_CHECK()
{
CompoundFile f = null;
try
{
f = new CompoundFile();
ICFStream st = f.RootStorage.AddStream("LargeStream");
st.AppendData(Helpers.GetBuffer(20000000, 0x0A)); //Forcing creation of two DIFAT sectors
byte[] b1 = Helpers.GetBuffer(3, 0x0B);
st.AppendData(b1); //Forcing creation of two DIFAT sectors
f.Save("$OpenMcdf$LargeFile.cfs");
f.Close();
int cnt = 3;
f = new CompoundFile("$OpenMcdf$LargeFile.cfs");
byte[] b2 = f.RootStorage.GetStream("LargeStream").GetData(20000000, ref cnt);
f.Close();
Assert.IsTrue(Helpers.CompareBuffer(b1, b2));
}
finally
{
if (f != null)
{
f.Close();
}
if (File.Exists("$OpenMcdf$LargeFile.cfs"))
{
File.Delete("$OpenMcdf$LargeFile.cfs");
}
}
}
private static void StressMemory()
{
const int N_LOOP = 20;
const int MB_SIZE = 10;
byte[] b = GetBuffer(1024 * 1024 * MB_SIZE); //2GB buffer
byte[] cmp = new byte[] { 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7 };
CompoundFile cf = new CompoundFile(CFSVersion.Ver_4, false, false);
ICFStream st = cf.RootStorage.AddStream("MySuperLargeStream");
cf.Save("LARGE.cfs");
cf.Close();
//Console.WriteLine("Closed save");
//Console.ReadKey();
cf = new CompoundFile("LARGE.cfs", UpdateMode.Update, false, false);
ICFStream cfst = cf.RootStorage.GetStream("MySuperLargeStream");
Stopwatch sw = new Stopwatch();
sw.Start();
for (int i = 0; i < N_LOOP; i++)
{
cfst.AppendData(b);
cf.Commit(true);
Console.WriteLine(" Updated " + i.ToString());
//Console.ReadKey();
}
cfst.AppendData(cmp);
cf.Commit(true);
sw.Stop();
cf.Close();
Console.WriteLine(sw.Elapsed.TotalMilliseconds);
sw.Reset();
//Console.WriteLine(sw.Elapsed.TotalMilliseconds);
//Console.WriteLine("Closed Transacted");
//Console.ReadKey();
cf = new CompoundFile("LARGE.cfs");
int count = 8;
sw.Reset();
sw.Start();
byte[] data = cf.RootStorage.GetStream("MySuperLargeStream").GetData(b.Length * (long)N_LOOP, ref count);
sw.Stop();
Console.Write(data.Length);
cf.Close();
Console.WriteLine("Closed Final " + sw.ElapsedMilliseconds);
Console.ReadKey();
}
public void Test_DELETE_STREAM_SECTOR_REUSE()
{
CompoundFile cf = null;
ICFStream st = null;
byte[] b = Helpers.GetBuffer(1024 * 1024 * 2); //2MB buffer
//byte[] b = Helpers.GetBuffer(5000);
byte[] cmp = new byte[] { 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7 };
cf = new CompoundFile(CFSVersion.Ver_4, false, false);
st = cf.RootStorage.AddStream("AStream");
st.AppendData(b);
cf.Save("SectorRecycle.cfs");
cf.Close();
cf = new CompoundFile("SectorRecycle.cfs", UpdateMode.Update, true, false);
cf.RootStorage.Delete("AStream");
cf.Commit(true);
cf.Close();
cf = new CompoundFile("SectorRecycle.cfs", UpdateMode.ReadOnly, false, false); //No sector recycle
st = cf.RootStorage.AddStream("BStream");
st.AppendData(Helpers.GetBuffer(1024 * 1024 * 1));
cf.Save("SectorRecycleLarger.cfs");
cf.Close();
Assert.IsFalse((new FileInfo("SectorRecycle.cfs").Length) >= (new FileInfo("SectorRecycleLarger.cfs").Length));
cf = new CompoundFile("SectorRecycle.cfs", UpdateMode.ReadOnly, true, false);
st = cf.RootStorage.AddStream("BStream");
st.AppendData(Helpers.GetBuffer(1024 * 1024 * 1));
cf.Save("SectorRecycleSmaller.cfs");
cf.Close();
Assert.IsTrue((new FileInfo("SectorRecycle.cfs").Length) >= (new FileInfo("SectorRecycleSmaller.cfs").Length));
}
public void Test_COMPARE_DIR_ENTRY_NAME_BUG_FIX_ID_3487353()
{
var f = new CompoundFile("report_name_fix.xls", UpdateMode.Update, true, true);
ICFStream cfs = f.RootStorage.AddStream("Poorbook");
cfs.AppendData(Helpers.GetBuffer(20));
f.Commit();
f.Close();
f = new CompoundFile("report_name_fix.xls", UpdateMode.Update, true, true);
cfs = f.RootStorage.GetStream("Workbook");
Assert.IsTrue(cfs.Name == "Workbook");
f.RootStorage.Delete("PoorBook");
f.Commit();
f.Close();
}
public void Test_APPEND_DATA_TO_STREAM()
{
MemoryStream ms = new MemoryStream();
byte[] b = new byte[] { 0x0, 0x1, 0x2, 0x3 };
byte[] b2 = new byte[] { 0x4, 0x5, 0x6, 0x7 };
CompoundFile cf = new CompoundFile();
ICFStream st = cf.RootStorage.AddStream("MyLargeStream");
st.SetData(b);
st.AppendData(b2);
cf.Save(ms);
cf.Close();
byte[] cmp = new byte[] { 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7 };
cf = new CompoundFile(ms);
byte[] data = cf.RootStorage.GetStream("MyLargeStream").GetData();
Assert.IsTrue(Helpers.CompareBuffer(cmp, data));
}
