public static void VerifyBlocksCreated(BlockAllocationTableWriter table, int count)
{
MemoryStream stream = new MemoryStream();
table.WriteBlocks(stream);
byte[] output = stream.ToArray();
Assert.AreEqual(count * 512, output.Length);
}
public void TestProduct()
{
BlockAllocationTableWriter table = new BlockAllocationTableWriter(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS);
for (int i = 1; i <= 22; i++)
table.AllocateSpace(i);
table.CreateBlocks();
MemoryStream stream = new MemoryStream();
table.WriteBlocks(stream);
byte[] output = stream.ToArray();
Assert.AreEqual(1024, output.Length);
byte[] expected = new byte[1024];
for (int i = 0; i < expected.Length; i++)
{
expected[i] = (byte)0xFF;
}
int offset = 0;
int blockIndex = 1;
for (int i = 1; i <= 22; i++)
{
int limit = i - 1;
for (int j = 0; j < limit; j++)
{
LittleEndian.PutInt(expected, offset, blockIndex++);
offset += LittleEndianConsts.INT_SIZE;
}
LittleEndian.PutInt(expected, offset, POIFSConstants.END_OF_CHAIN);
offset += 4;
blockIndex++;
}
LittleEndian.PutInt(expected, offset, blockIndex++);
offset += LittleEndianConsts.INT_SIZE;
LittleEndian.PutInt(expected, offset, POIFSConstants.END_OF_CHAIN);
for (int i = 0; i < expected.Length; i++)
Assert.AreEqual(expected[i], output[i], "At offset " + i);
}