Ejemplo n.º 1
0
        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();
        }