public void TestWriteNewStream()
{
NPOIFSFileSystem fs = new NPOIFSFileSystem(_inst.OpenResourceAsStream("BlockSize512.zvi"));
// 100 is our first free one
Assert.AreEqual(POIFSConstants.FAT_SECTOR_BLOCK, fs.GetNextBlock(99));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(100));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(101));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(102));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(103));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(104));
// Add a single block one
byte[] data = new byte[512];
for (int i = 0; i < data.Length; i++)
{
data[i] = (byte)(i % 256);
}
NPOIFSStream stream = new NPOIFSStream(fs);
stream.UpdateContents(data);
// Check it was allocated properly
Assert.AreEqual(POIFSConstants.FAT_SECTOR_BLOCK, fs.GetNextBlock(99));
Assert.AreEqual(POIFSConstants.END_OF_CHAIN, fs.GetNextBlock(100));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(101));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(102));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(103));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(104));
// And check the contents
IEnumerator <ByteBuffer> it = stream.GetBlockIterator();
int count = 0;
while (it.MoveNext())
{
ByteBuffer b = it.Current;
data = new byte[512];
//b.get(data);
//Array.Copy(b, 0, data, 0, b.Length);
b.Read(data);
for (int i = 0; i < data.Length; i++)
{
byte exp = (byte)(i % 256);
Assert.AreEqual(exp, data[i]);
}
count++;
}
Assert.AreEqual(1, count);
// And a multi block one
data = new byte[512 * 3];
for (int i = 0; i < data.Length; i++)
{
data[i] = (byte)(i % 256);
}
stream = new NPOIFSStream(fs);
stream.UpdateContents(data);
// Check it was allocated properly
Assert.AreEqual(POIFSConstants.FAT_SECTOR_BLOCK, fs.GetNextBlock(99));
Assert.AreEqual(POIFSConstants.END_OF_CHAIN, fs.GetNextBlock(100));
Assert.AreEqual(102, fs.GetNextBlock(101));
Assert.AreEqual(103, fs.GetNextBlock(102));
Assert.AreEqual(POIFSConstants.END_OF_CHAIN, fs.GetNextBlock(103));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(104));
// And check the contents
it = stream.GetBlockIterator();
count = 0;
while (it.MoveNext())
{
ByteBuffer b = it.Current;
data = new byte[512];
//b.get(data);
// Array.Copy(b, 0, data, 0, b.Length);
b.Read(data);
for (int i = 0; i < data.Length; i++)
{
byte exp = (byte)(i % 256);
Assert.AreEqual(exp, data[i]);
}
count++;
}
Assert.AreEqual(3, count);
// Free it
stream.Free();
Assert.AreEqual(POIFSConstants.FAT_SECTOR_BLOCK, fs.GetNextBlock(99));
Assert.AreEqual(POIFSConstants.END_OF_CHAIN, fs.GetNextBlock(100));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(101));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(102));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(103));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(104));
fs.Close();
}
public void TestWriteNewStream()
{
NPOIFSFileSystem fs = new NPOIFSFileSystem(_inst.OpenResourceAsStream("BlockSize512.zvi"));
// 100 is our first free one
Assert.AreEqual(POIFSConstants.FAT_SECTOR_BLOCK, fs.GetNextBlock(99));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(100));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(101));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(102));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(103));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(104));
// Add a single block one
byte[] data = new byte[512];
for (int i = 0; i < data.Length; i++)
{
data[i] = (byte)(i % 256);
}
NPOIFSStream stream = new NPOIFSStream(fs);
stream.UpdateContents(data);
// Check it was allocated properly
Assert.AreEqual(POIFSConstants.FAT_SECTOR_BLOCK, fs.GetNextBlock(99));
Assert.AreEqual(POIFSConstants.END_OF_CHAIN, fs.GetNextBlock(100));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(101));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(102));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(103));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(104));
// And check the contents
IEnumerator<ByteBuffer> it = stream.GetBlockIterator();
int count = 0;
while (it.MoveNext())
{
ByteBuffer b = it.Current;
data = new byte[512];
//b.get(data);
//Array.Copy(b, 0, data, 0, b.Length);
b.Read(data);
for (int i = 0; i < data.Length; i++)
{
byte exp = (byte)(i % 256);
Assert.AreEqual(exp, data[i]);
}
count++;
}
Assert.AreEqual(1, count);
// And a multi block one
data = new byte[512 * 3];
for (int i = 0; i < data.Length; i++)
{
data[i] = (byte)(i % 256);
}
stream = new NPOIFSStream(fs);
stream.UpdateContents(data);
// Check it was allocated properly
Assert.AreEqual(POIFSConstants.FAT_SECTOR_BLOCK, fs.GetNextBlock(99));
Assert.AreEqual(POIFSConstants.END_OF_CHAIN, fs.GetNextBlock(100));
Assert.AreEqual(102, fs.GetNextBlock(101));
Assert.AreEqual(103, fs.GetNextBlock(102));
Assert.AreEqual(POIFSConstants.END_OF_CHAIN, fs.GetNextBlock(103));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(104));
// And check the contents
it = stream.GetBlockIterator();
count = 0;
while (it.MoveNext())
{
ByteBuffer b = it.Current;
data = new byte[512];
//b.get(data);
// Array.Copy(b, 0, data, 0, b.Length);
b.Read(data);
for (int i = 0; i < data.Length; i++)
{
byte exp = (byte)(i % 256);
Assert.AreEqual(exp, data[i]);
}
count++;
}
Assert.AreEqual(3, count);
// Free it
stream.Free();
Assert.AreEqual(POIFSConstants.FAT_SECTOR_BLOCK, fs.GetNextBlock(99));
Assert.AreEqual(POIFSConstants.END_OF_CHAIN, fs.GetNextBlock(100));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(101));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(102));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(103));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, fs.GetNextBlock(104));
fs.Close();
}