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();
}
private void SingleWriteReadMatching(int size)
{
String filename = "INCREMENTAL_SIZE_MULTIPLE_WRITE_AND_READ_CFS.cfs";
if (File.Exists(filename))
{
File.Delete(filename);
}
CompoundFile cf = new CompoundFile();
ICFStorage st = cf.RootStorage.AddStorage("MyStorage");
ICFStream sm = st.AddStream("MyStream");
byte[] b = Helpers.GetBuffer(size);
sm.SetData(b);
cf.Save(filename);
cf.Close();
CompoundFile cf2 = new CompoundFile(filename);
ICFStorage st2 = cf2.RootStorage.GetStorage("MyStorage");
ICFStream sm2 = st2.GetStream("MyStream");
Assert.IsNotNull(sm2);
Assert.IsTrue(sm2.Size == size);
Assert.IsTrue(Helpers.CompareBuffer(sm2.GetData(), b));
cf2.Close();
}
public void Test_WRITE_STREAM_WITH_DIFAT()
{
//const int SIZE = 15388609; //Incredible condition of 'resonance' between FAT and DIFAT sec number
const int SIZE = 15345665; // 64 -> 65 NOT working (in the past ;-) )
byte[] b = Helpers.GetBuffer(SIZE, 0);
CompoundFile cf = new CompoundFile();
ICFStream myStream = cf.RootStorage.AddStream("MyStream");
Assert.IsNotNull(myStream);
myStream.SetData(b);
cf.Save("WRITE_STREAM_WITH_DIFAT.cfs");
cf.Close();
CompoundFile cf2 = new CompoundFile("WRITE_STREAM_WITH_DIFAT.cfs");
ICFStream st = cf2.RootStorage.GetStream("MyStream");
Assert.IsNotNull(cf2);
Assert.IsTrue(st.Size == SIZE);
Assert.IsTrue(Helpers.CompareBuffer(b, st.GetData()));
cf2.Close();
if (File.Exists("WRITE_STREAM_WITH_DIFAT.cfs"))
{
File.Delete("WRITE_STREAM_WITH_DIFAT.cfs");
}
}
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");
}
}
}
public void Test_TRANSACTED_ADD_REMOVE_MULTIPLE_STREAM_TO_EXISTING_FILE()
{
String srcFilename = "report.xls";
String dstFilename = "reportOverwriteMultiple.xls";
File.Copy(srcFilename, dstFilename, true);
CompoundFile cf = new CompoundFile(dstFilename, UpdateMode.ReadOnly, true, false);
//CompoundFile cf = new CompoundFile();
Random r = new Random();
for (int i = 0; i < 254; i++)
{
//byte[] buffer = Helpers.GetBuffer(r.Next(100, 3500), (byte)i);
byte[] buffer = Helpers.GetBuffer(1995, 1);
//if (i > 0)
//{
// if (r.Next(0, 100) > 50)
// {
// cf.RootStorage.Delete("MyNewStream" + (i - 1).ToString());
// }
//}
ICFStream addedStream = cf.RootStorage.AddStream("MyNewStream" + i.ToString());
Assert.IsNotNull(addedStream, "Stream not found");
addedStream.SetData(buffer);
Assert.IsTrue(Helpers.CompareBuffer(addedStream.GetData(), buffer), "Data buffer corrupted");
// Random commit, not on single addition
//if (r.Next(0, 100) > 50)
// cf.UpdateFile();
}
cf.Save(dstFilename + "PP");
cf.Close();
if (File.Exists("reportOverwriteMultiple.xls"))
{
File.Delete("reportOverwriteMultiple.xls");
}
if (File.Exists("reportOverwriteMultiple.xlsPP"))
{
File.Delete("reportOverwriteMultiple.xlsPP");
}
}
public void Test_COPY_FROM_STREAM()
{
byte[] b = Helpers.GetBuffer(100);
MemoryStream ms = new MemoryStream(b);
CompoundFile cf = new CompoundFile();
CFStream st = cf.RootStorage.AddStream("MyImportedStream") as CFStream;
st.CopyFrom(ms);
ms.Close();
cf.Save("COPY_FROM_STREAM.cfs");
cf.Close();
cf = new CompoundFile("COPY_FROM_STREAM.cfs");
byte[] data = cf.RootStorage.GetStream("MyImportedStream").GetData();
Assert.IsTrue(Helpers.CompareBuffer(b, data));
}
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));
}
private void SingleWriteReadMatchingSTREAMED(int size)
{
MemoryStream ms = new MemoryStream(size);
CompoundFile cf = new CompoundFile();
ICFStorage st = cf.RootStorage.AddStorage("MyStorage");
ICFStream sm = st.AddStream("MyStream");
byte[] b = Helpers.GetBuffer(size);
sm.SetData(b);
cf.Save(ms);
cf.Close();
CompoundFile cf2 = new CompoundFile(ms);
ICFStorage st2 = cf2.RootStorage.GetStorage("MyStorage");
ICFStream sm2 = st2.GetStream("MyStream");
Assert.IsNotNull(sm2);
Assert.IsTrue(sm2.Size == size);
Assert.IsTrue(Helpers.CompareBuffer(sm2.GetData(), b));
cf2.Close();
}
public void Test_WRITE_MINISTREAM_READ_REWRITE_STREAM()
{
const int BIGGER_SIZE = 350;
//const int SMALLER_SIZE = 290;
const int MEGA_SIZE = 18000000;
byte[] ba1 = Helpers.GetBuffer(BIGGER_SIZE, 1);
byte[] ba2 = Helpers.GetBuffer(BIGGER_SIZE, 2);
byte[] ba3 = Helpers.GetBuffer(BIGGER_SIZE, 3);
byte[] ba4 = Helpers.GetBuffer(BIGGER_SIZE, 4);
byte[] ba5 = Helpers.GetBuffer(BIGGER_SIZE, 5);
//WRITE 5 (mini)streams in a compound file --
CompoundFile cfa = new CompoundFile();
ICFStream myStream = cfa.RootStorage.AddStream("MyFirstStream");
Assert.IsNotNull(myStream);
myStream.SetData(ba1);
Assert.IsTrue(myStream.Size == BIGGER_SIZE);
ICFStream myStream2 = cfa.RootStorage.AddStream("MySecondStream");
Assert.IsNotNull(myStream2);
myStream2.SetData(ba2);
Assert.IsTrue(myStream2.Size == BIGGER_SIZE);
ICFStream myStream3 = cfa.RootStorage.AddStream("MyThirdStream");
Assert.IsNotNull(myStream3);
myStream3.SetData(ba3);
Assert.IsTrue(myStream3.Size == BIGGER_SIZE);
ICFStream myStream4 = cfa.RootStorage.AddStream("MyFourthStream");
Assert.IsNotNull(myStream4);
myStream4.SetData(ba4);
Assert.IsTrue(myStream4.Size == BIGGER_SIZE);
ICFStream myStream5 = cfa.RootStorage.AddStream("MyFifthStream");
Assert.IsNotNull(myStream5);
myStream5.SetData(ba5);
Assert.IsTrue(myStream5.Size == BIGGER_SIZE);
cfa.Save("WRITE_MINISTREAM_READ_REWRITE_STREAM.cfs");
cfa.Close();
// Now get the second stream and rewrite it smaller
byte[] bb = Helpers.GetBuffer(MEGA_SIZE);
CompoundFile cfb = new CompoundFile("WRITE_MINISTREAM_READ_REWRITE_STREAM.cfs");
ICFStream myStreamB = cfb.RootStorage.GetStream("MySecondStream");
Assert.IsNotNull(myStreamB);
myStreamB.SetData(bb);
Assert.IsTrue(myStreamB.Size == MEGA_SIZE);
byte[] bufferB = myStreamB.GetData();
cfb.Save("WRITE_MINISTREAM_READ_REWRITE_STREAM_2ND.cfs");
cfb.Close();
CompoundFile cfc = new CompoundFile("WRITE_MINISTREAM_READ_REWRITE_STREAM_2ND.cfs");
ICFStream myStreamC = cfc.RootStorage.GetStream("MySecondStream");
Assert.IsTrue(myStreamC.Size == MEGA_SIZE, "DATA SIZE FAILED");
byte[] bufferC = myStreamC.GetData();
Assert.IsTrue(Helpers.CompareBuffer(bufferB, bufferC), "DATA INTEGRITY FAILED");
cfc.Close();
if (File.Exists("WRITE_MINISTREAM_READ_REWRITE_STREAM.cfs"))
{
File.Delete("WRITE_MINISTREAM_READ_REWRITE_STREAM.cfs");
}
if (File.Exists("WRITE_MINISTREAM_READ_REWRITE_STREAM_2ND.cfs"))
{
File.Delete("WRITE_MINISTREAM_READ_REWRITE_STREAM_2ND.cfs");
}
}
public void Test_FUNCTIONAL_BEHAVIOUR()
{
const int N_FACTOR = 1;
byte[] bA = Helpers.GetBuffer(20 * 1024 * N_FACTOR, 0x0A);
byte[] bB = Helpers.GetBuffer(5 * 1024, 0x0B);
byte[] bC = Helpers.GetBuffer(5 * 1024, 0x0C);
byte[] bD = Helpers.GetBuffer(5 * 1024, 0x0D);
byte[] bE = Helpers.GetBuffer(8 * 1024 * N_FACTOR + 1, 0x1A);
byte[] bF = Helpers.GetBuffer(16 * 1024 * N_FACTOR, 0x1B);
byte[] bG = Helpers.GetBuffer(14 * 1024 * N_FACTOR, 0x1C);
byte[] bH = Helpers.GetBuffer(12 * 1024 * N_FACTOR, 0x1D);
byte[] bE2 = Helpers.GetBuffer(8 * 1024 * N_FACTOR, 0x2A);
byte[] bMini = Helpers.GetBuffer(1027, 0xEE);
Stopwatch sw = new Stopwatch();
sw.Start();
//############
// Phase 1
var cf = new CompoundFile(CFSVersion.Ver_3, true, false);
cf.RootStorage.AddStream("A").SetData(bA);
cf.Save("OneStream.cfs");
cf.Close();
// Test Phase 1
var cfTest = new CompoundFile("OneStream.cfs");
ICFStream testSt = cfTest.RootStorage.GetStream("A");
Assert.IsNotNull(testSt);
Assert.IsTrue(testSt.Size == bA.Length);
Assert.IsTrue(Helpers.CompareBuffer(bA, testSt.GetData()));
cfTest.Close();
//###########
//Phase 2
cf = new CompoundFile("OneStream.cfs", UpdateMode.ReadOnly, true, false);
cf.RootStorage.AddStream("B").SetData(bB);
cf.RootStorage.AddStream("C").SetData(bC);
cf.RootStorage.AddStream("D").SetData(bD);
cf.RootStorage.AddStream("E").SetData(bE);
cf.RootStorage.AddStream("F").SetData(bF);
cf.RootStorage.AddStream("G").SetData(bG);
cf.RootStorage.AddStream("H").SetData(bH);
cf.Save("8_Streams.cfs");
cf.Close();
// Test Phase 2
cfTest = new CompoundFile("8_Streams.cfs");
testSt = cfTest.RootStorage.GetStream("B");
Assert.IsNotNull(testSt);
Assert.IsTrue(testSt.Size == bB.Length);
Assert.IsTrue(Helpers.CompareBuffer(bB, testSt.GetData()));
testSt = cfTest.RootStorage.GetStream("C");
Assert.IsNotNull(testSt);
Assert.IsTrue(testSt.Size == bC.Length);
Assert.IsTrue(Helpers.CompareBuffer(bC, testSt.GetData()));
testSt = cfTest.RootStorage.GetStream("D");
Assert.IsNotNull(testSt);
Assert.IsTrue(testSt.Size == bD.Length);
Assert.IsTrue(Helpers.CompareBuffer(bD, testSt.GetData()));
testSt = cfTest.RootStorage.GetStream("E");
Assert.IsNotNull(testSt);
Assert.IsTrue(testSt.Size == bE.Length);
Assert.IsTrue(Helpers.CompareBuffer(bE, testSt.GetData()));
testSt = cfTest.RootStorage.GetStream("F");
Assert.IsNotNull(testSt);
Assert.IsTrue(testSt.Size == bF.Length);
Assert.IsTrue(Helpers.CompareBuffer(bF, testSt.GetData()));
testSt = cfTest.RootStorage.GetStream("G");
Assert.IsNotNull(testSt);
Assert.IsTrue(testSt.Size == bG.Length);
Assert.IsTrue(Helpers.CompareBuffer(bG, testSt.GetData()));
testSt = cfTest.RootStorage.GetStream("H");
Assert.IsNotNull(testSt);
Assert.IsTrue(testSt.Size == bH.Length);
Assert.IsTrue(Helpers.CompareBuffer(bH, testSt.GetData()));
cfTest.Close();
File.Copy("8_Streams.cfs", "6_Streams.cfs", true);
File.Delete("8_Streams.cfs");
//###########
// Phase 3
cf = new CompoundFile("6_Streams.cfs", UpdateMode.Update, true, true);
cf.RootStorage.Delete("D");
cf.RootStorage.Delete("G");
cf.Commit();
cf.Close();
//Test Phase 3
cfTest = new CompoundFile("6_Streams.cfs");
bool catched = false;
try
{
testSt = cfTest.RootStorage.GetStream("D");
}
catch (Exception ex)
{
if (ex is CFItemNotFound)
{
catched = true;
}
}
Assert.IsTrue(catched);
catched = false;
try
{
testSt = cfTest.RootStorage.GetStream("G");
}
catch (Exception ex)
{
if (ex is CFItemNotFound)
{
catched = true;
}
}
Assert.IsTrue(catched);
cfTest.Close();
//##########
// Phase 4
File.Copy("6_Streams.cfs", "6_Streams_Shrinked.cfs", true);
CompoundFile.ShrinkCompoundFile("6_Streams_Shrinked.cfs");
// Test Phase 4
Assert.IsTrue(new FileInfo("6_Streams_Shrinked.cfs").Length < new FileInfo("6_Streams.cfs").Length);
cfTest = new CompoundFile("6_Streams_Shrinked.cfs");
VisitedEntryAction va = delegate(ICFItem item)
{
if (item.IsStream)
{
ICFStream ia = item as ICFStream;
Assert.IsNotNull(ia);
Assert.IsTrue(ia.Size > 0);
byte[] d = ia.GetData();
Assert.IsNotNull(d);
Assert.IsTrue(d.Length > 0);
Assert.IsTrue(d.Length == ia.Size);
}
};
cfTest.RootStorage.VisitEntries(va, true);
cfTest.Close();
//##########
//Phase 5
cf = new CompoundFile("6_Streams_Shrinked.cfs", UpdateMode.Update, true, false);
cf.RootStorage.AddStream("ZZZ").SetData(bF);
cf.RootStorage.GetStream("E").AppendData(bE2);
cf.Commit();
cf.Close();
cf = new CompoundFile("6_Streams_Shrinked.cfs", UpdateMode.Update, true, false);
cf.RootStorage.CLSID = new Guid("EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE");
cf.Commit();
cf.Close();
cf = new CompoundFile("6_Streams_Shrinked.cfs", UpdateMode.Update, true, false);
cf.RootStorage.AddStorage("MyStorage").AddStream("ANS").AppendData(bE);
cf.Commit();
cf.Close();
cf = new CompoundFile("6_Streams_Shrinked.cfs", UpdateMode.Update, true, false);
cf.RootStorage.AddStorage("AnotherStorage").AddStream("ANS").AppendData(bE);
cf.RootStorage.Delete("MyStorage");
cf.Commit();
cf.Close();
//Test Phase 5
//#####
//Phase 6
cf = new CompoundFile("6_Streams_Shrinked.cfs", UpdateMode.Update, true, false);
cf.RootStorage.AddStorage("MiniStorage").AddStream("miniSt").AppendData(bMini);
cf.RootStorage.GetStorage("MiniStorage").AddStream("miniSt2").AppendData(bMini);
cf.Commit();
cf.Close();
cf = new CompoundFile("6_Streams_Shrinked.cfs", UpdateMode.Update, true, false);
cf.RootStorage.GetStorage("MiniStorage").Delete("miniSt");
cf.RootStorage.GetStorage("MiniStorage").GetStream("miniSt2").AppendData(bE);
cf.Commit();
cf.Close();
//Test Phase 6
cfTest = new CompoundFile("6_Streams_Shrinked.cfs");
byte[] d2 = cfTest.RootStorage.GetStorage("MiniStorage").GetStream("miniSt2").GetData();
Assert.IsTrue(d2.Length == (bE.Length + bMini.Length));
int cnt = 1;
d2 = cfTest.RootStorage.GetStorage("MiniStorage").GetStream("miniSt2").GetData(bMini.Length, ref cnt);
Assert.IsTrue(cnt == 1);
Assert.IsTrue(d2.Length == 1);
Assert.IsTrue(d2[0] == 0x1A);
cnt = 1;
d2 = cfTest.RootStorage.GetStorage("MiniStorage").GetStream("miniSt2").GetData(bMini.Length - 1, ref cnt);
Assert.IsTrue(cnt == 1);
Assert.IsTrue(d2.Length == 1);
Assert.IsTrue(d2[0] == 0xEE);
try
{
cfTest.RootStorage.GetStorage("MiniStorage").GetStream("miniSt");
}
catch (Exception ex)
{
Assert.IsTrue(ex is CFItemNotFound);
}
cfTest.Close();
//##############
//Phase 7
cf = new CompoundFile("6_Streams_Shrinked.cfs", UpdateMode.Update, true, false);
cf.RootStorage.GetStorage("MiniStorage").GetStream("miniSt2").SetData(bA);
cf.Commit();
cf.Close();
//Test Phase 7
cf = new CompoundFile("6_Streams_Shrinked.cfs", UpdateMode.Update, true, false);
d2 = cf.RootStorage.GetStorage("MiniStorage").GetStream("miniSt2").GetData();
Assert.IsNotNull(d2);
Assert.IsTrue(d2.Length == bA.Length);
cf.Close();
//##############
cf = new CompoundFile("6_Streams_Shrinked.cfs", UpdateMode.ReadOnly, true, false);
var myStream = cf.RootStorage.GetStream("C");
var data = myStream.GetData();
Console.WriteLine(data[0] + " : " + data[data.Length - 1]);
myStream = cf.RootStorage.GetStream("B");
data = myStream.GetData();
Console.WriteLine(data[0] + " : " + data[data.Length - 1]);
cf.Close();
sw.Stop();
Console.WriteLine(sw.ElapsedMilliseconds);
}
