public void Test_APPEND_DATA_TO_CREATE_LARGE_STREAM()
{
byte[] b = Helpers.GetBuffer(1024 * 1024 * 50); //2GB buffer
byte[] cmp = new byte[] { 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7 };
CompoundFile cf = new CompoundFile(CFSVersion.Ver_4, false, false);
CFStream st = cf.RootStorage.AddStream("MySuperLargeStream");
cf.Save("MEGALARGESSIMUSFILE.cfs");
cf.Close();
cf = new CompoundFile("MEGALARGESSIMUSFILE.cfs", UpdateMode.Update, false, false);
CFStream cfst = cf.RootStorage.GetStream("MySuperLargeStream");
for (int i = 0; i < 42; i++)
{
cfst.AppendData(b);
cf.Commit(true);
}
cfst.AppendData(cmp);
cf.Commit(true);
cf.Close();
cf = new CompoundFile("MEGALARGESSIMUSFILE.cfs");
int count = 8;
byte[] data = cf.RootStorage.GetStream("MySuperLargeStream").GetData((long)b.Length * 42L, ref count);
Assert.IsTrue(Helpers.CompareBuffer(cmp, data));
cf.Close();
}