public void TestGetFreeBlockWithSpare()
{
NPOIFSFileSystem fs = new NPOIFSFileSystem(_inst.GetFile("BlockSize512.zvi"));
NPOIFSMiniStore ministore = fs.GetMiniStore();
// Our 2nd SBAT block has spares
Assert.AreEqual(false, ministore.GetBATBlockAndIndex(0).Block.HasFreeSectors);
Assert.AreEqual(true, ministore.GetBATBlockAndIndex(128).Block.HasFreeSectors);
// First free one at 181
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, ministore.GetNextBlock(181));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, ministore.GetNextBlock(182));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, ministore.GetNextBlock(183));
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, ministore.GetNextBlock(184));
// Ask, will get 181
Assert.AreEqual(181, ministore.GetFreeBlock());
// Ask again, will still get 181 as not written to
Assert.AreEqual(181, ministore.GetFreeBlock());
// Allocate it, then ask again
ministore.SetNextBlock(181, POIFSConstants.END_OF_CHAIN);
Assert.AreEqual(182, ministore.GetFreeBlock());
fs.Close();
}
public void TestGetFreeBlockWithNonSpare()
{
NPOIFSFileSystem fs = new NPOIFSFileSystem(_inst.OpenResourceAsStream("BlockSize512.zvi"));
NPOIFSMiniStore ministore = fs.GetMiniStore();
// We've spare ones from 181 to 255
for (int i = 181; i < 256; i++)
{
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, ministore.GetNextBlock(i));
}
// Check our SBAT free stuff is correct
Assert.AreEqual(false, ministore.GetBATBlockAndIndex(0).Block.HasFreeSectors);
Assert.AreEqual(true, ministore.GetBATBlockAndIndex(128).Block.HasFreeSectors);
// Allocate all the spare ones
for (int i = 181; i < 256; i++)
{
ministore.SetNextBlock(i, POIFSConstants.END_OF_CHAIN);
}
// SBAT are now full, but there's only the two
Assert.AreEqual(false, ministore.GetBATBlockAndIndex(0).Block.HasFreeSectors);
Assert.AreEqual(false, ministore.GetBATBlockAndIndex(128).Block.HasFreeSectors);
try
{
Assert.AreEqual(false, ministore.GetBATBlockAndIndex(256).Block.HasFreeSectors);
Assert.Fail("Should only be two SBATs");
}
catch (ArgumentOutOfRangeException) { }
// Now ask for a free one, will need to extend the SBAT chain
Assert.AreEqual(256, ministore.GetFreeBlock());
Assert.AreEqual(false, ministore.GetBATBlockAndIndex(0).Block.HasFreeSectors);
Assert.AreEqual(false, ministore.GetBATBlockAndIndex(128).Block.HasFreeSectors);
Assert.AreEqual(true, ministore.GetBATBlockAndIndex(256).Block.HasFreeSectors);
Assert.AreEqual(POIFSConstants.END_OF_CHAIN, ministore.GetNextBlock(254)); // 2nd SBAT
Assert.AreEqual(POIFSConstants.END_OF_CHAIN, ministore.GetNextBlock(255)); // 2nd SBAT
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, ministore.GetNextBlock(256)); // 3rd SBAT
Assert.AreEqual(POIFSConstants.UNUSED_BLOCK, ministore.GetNextBlock(257)); // 3rd SBAT
fs.Close();
}
public void TestPropertiesAndFatOnRead()
{
NPOIFSFileSystem fsA, fsB;
fsA = new NPOIFSFileSystem(_inst.GetFile("BlockSize512.zvi"));
fsB = new NPOIFSFileSystem(_inst.OpenResourceAsStream("BlockSize512.zvi"));
foreach (NPOIFSFileSystem fs in new NPOIFSFileSystem[] { fsA, fsB })
{
fs.GetBATBlockAndIndex(0);
fs.GetBATBlockAndIndex(1);
try
{
fs.GetBATBlockAndIndex(140);
Assert.Fail("Should only be one BAT, but a 2nd was found");
}
//catch (IndexOutOfRangeException)
catch (ArgumentOutOfRangeException)
{
}
Assert.AreEqual(98, fs.GetNextBlock(97));
Assert.AreEqual(POIFSConstants.END_OF_CHAIN, fs.GetNextBlock(98));
NPropertyTable props = fs.PropertyTable;
Assert.AreEqual(90, props.StartBlock);
Assert.AreEqual(7, props.CountBlocks);
RootProperty root = props.Root;
Assert.AreEqual("Root Entry", root.Name);
Assert.AreEqual(11564, root.Size);
Assert.AreEqual(0, root.StartBlock);
NStorage.Properties.Property prop;
IEnumerator <NStorage.Properties.Property> pi = root.Children;
//prop = pi.Current;
pi.MoveNext();
prop = pi.Current;
Assert.AreEqual("Thumbnail", prop.Name);
pi.MoveNext();
prop = pi.Current;
Assert.AreEqual("\x0005DocumentSummaryInformation", prop.Name);
pi.MoveNext();
prop = pi.Current;
Assert.AreEqual("\x0005SummaryInformation", prop.Name);
pi.MoveNext();
prop = pi.Current;
Assert.AreEqual("Image", prop.Name);
pi.MoveNext();
prop = pi.Current;
Assert.AreEqual(false, pi.MoveNext());
NPOIFSMiniStore miniStore = fs.GetMiniStore();
miniStore.GetBATBlockAndIndex(0);
miniStore.GetBATBlockAndIndex(128);
try
{
miniStore.GetBATBlockAndIndex(256);
Assert.Fail("Should only be two SBATs, but a 3rd was found");
}
//catch (IndexOutOfRangeException)
catch (ArgumentOutOfRangeException)
{
}
for (int i = 0; i < 50; i++)
{
Assert.AreEqual(i + 1, miniStore.GetNextBlock(i));
}
Assert.AreEqual(POIFSConstants.END_OF_CHAIN, miniStore.GetNextBlock(50));
fs.Close();
}
fsA = new NPOIFSFileSystem(_inst.GetFile("BlockSize4096.zvi"));
fsB = new NPOIFSFileSystem(_inst.OpenResourceAsStream("BlockSize4096.zvi"));
foreach (NPOIFSFileSystem fs in new NPOIFSFileSystem[] { fsA, fsB })
{
fs.GetBATBlockAndIndex(0);
fs.GetBATBlockAndIndex(1);
try
{
fs.GetBATBlockAndIndex(1040);
Assert.Fail("Should only be one BAT, but a 2nd was found");
}
//catch (IndexOutOfRangeException)
catch (ArgumentOutOfRangeException)
{
}
Assert.AreEqual(1, fs.GetNextBlock(0));
Assert.AreEqual(2, fs.GetNextBlock(1));
Assert.AreEqual(POIFSConstants.END_OF_CHAIN, fs.GetNextBlock(2));
NPropertyTable props = fs.PropertyTable;
Assert.AreEqual(12, props.StartBlock);
Assert.AreEqual(1, props.CountBlocks);
RootProperty root = props.Root;
Assert.AreEqual("Root Entry", root.Name);
Assert.AreEqual(11564, root.Size);
Assert.AreEqual(0, root.StartBlock);
NStorage.Properties.Property prop;
IEnumerator <NStorage.Properties.Property> pi = root.Children;
pi.MoveNext();
prop = pi.Current;
Assert.AreEqual("Thumbnail", prop.Name);
pi.MoveNext();
prop = pi.Current;
Assert.AreEqual("\x0005DocumentSummaryInformation", prop.Name);
pi.MoveNext();
prop = pi.Current;
Assert.AreEqual("\x0005SummaryInformation", prop.Name);
pi.MoveNext();
prop = pi.Current;
Assert.AreEqual("Image", prop.Name);
pi.MoveNext();
prop = pi.Current;
Assert.AreEqual("Tags", prop.Name);
Assert.AreEqual(false, pi.MoveNext());
NPOIFSMiniStore miniStore = fs.GetMiniStore();
miniStore.GetBATBlockAndIndex(0);
miniStore.GetBATBlockAndIndex(128);
miniStore.GetBATBlockAndIndex(1023);
try
{
miniStore.GetBATBlockAndIndex(1024);
Assert.Fail("Should only be one SBAT, but a 2nd was found");
}
//catch(IndexOutOfRangeException)
catch (ArgumentOutOfRangeException)
{
}
for (int i = 0; i < 50; i++)
{
Assert.AreEqual(i + 1, miniStore.GetNextBlock(i));
}
Assert.AreEqual(POIFSConstants.END_OF_CHAIN, miniStore.GetNextBlock(50));
fs.Close();
}
}