private void VerifyReadingProperty(int index, byte[] input, int offset, string name)
{
DocumentProperty property = new DocumentProperty(index, input, offset);
MemoryStream stream = new MemoryStream(128);
byte[] expected = new byte[128];
Array.Copy(input, offset, expected, 0, 128);
property.WriteData(stream);
byte[] output = stream.ToArray();
Assert.AreEqual(128, output.Length);
for (int j = 0; j < 128; j++)
{
Assert.AreEqual(expected[j],
output[j], "mismatch at offset " + j);
}
Assert.AreEqual(index, property.Index);
Assert.AreEqual(name, property.Name);
}
private void VerifyProperty(string name, int size)
{
DocumentProperty property = new DocumentProperty(name, size);
if (size >= 4096)
{
Assert.IsTrue(!property.ShouldUseSmallBlocks);
}
else
{
Assert.IsTrue(property.ShouldUseSmallBlocks);
}
byte[] Testblock = new byte[128];
int index = 0;
for (; index < 0x40; index++)
{
Testblock[index] = (byte)0;
}
int limit = Math.Min(31, name.Length);
Testblock[index++] = (byte)(2 * (limit + 1));
Testblock[index++] = (byte)0;
Testblock[index++] = (byte)2;
Testblock[index++] = (byte)1;
for (; index < 0x50; index++)
{
Testblock[index] = (byte)0xFF;
}
for (; index < 0x78; index++)
{
Testblock[index] = (byte)0;
}
int sz = size;
Testblock[index++] = (byte)sz;
sz /= 256;
Testblock[index++] = (byte)sz;
sz /= 256;
Testblock[index++] = (byte)sz;
sz /= 256;
Testblock[index++] = (byte)sz;
for (; index < 0x80; index++)
{
Testblock[index] = (byte)0x0;
}
byte[] name_bytes = Encoding.UTF8.GetBytes(name);
for (index = 0; index < limit; index++)
{
Testblock[index * 2] = name_bytes[index];
}
MemoryStream stream = new MemoryStream(512);
property.WriteData(stream);
byte[] output = stream.ToArray();
Assert.AreEqual(Testblock.Length, output.Length);
for (int j = 0; j < Testblock.Length; j++)
{
Assert.AreEqual(Testblock[j],
output[j], "mismatch at offset " + j);
}
}
public void TestPOIFSDocument()
{
// Verify correct number of blocks Get Created for document
// that is exact multituple of block size
POIFSDocument document;
byte[] array = new byte[4096];
for (int j = 0; j < array.Length; j++)
{
array[j] = (byte)j;
}
document = new POIFSDocument("foo", new SlowInputStream(new MemoryStream(array)));
checkDocument(document, array);
// Verify correct number of blocks Get Created for document
// that is not an exact multiple of block size
array = new byte[4097];
for (int j = 0; j < array.Length; j++)
{
array[j] = (byte)j;
}
document = new POIFSDocument("bar", new MemoryStream(array));
checkDocument(document, array);
// Verify correct number of blocks Get Created for document
// that is small
array = new byte[4095];
for (int j = 0; j < array.Length; j++)
{
array[j] = (byte)j;
}
document = new POIFSDocument("_bar", new MemoryStream(array));
checkDocument(document, array);
// Verify correct number of blocks Get Created for document
// that is rather small
array = new byte[199];
for (int j = 0; j < array.Length; j++)
{
array[j] = (byte)j;
}
document = new POIFSDocument("_bar2",
new MemoryStream(array));
checkDocument(document, array);
// Verify that output is correct
array = new byte[4097];
for (int j = 0; j < array.Length; j++)
{
array[j] = (byte)j;
}
document = new POIFSDocument("foobar",
new MemoryStream(array));
checkDocument(document, array);
document.StartBlock = 0x12345678; // what a big file!!
DocumentProperty property = document.DocumentProperty;
MemoryStream stream = new MemoryStream();
property.WriteData(stream);
byte[] output = stream.ToArray();
byte[] array2 =
{
( byte )'f', ( byte )0, ( byte )'o', ( byte )0, ( byte )'o',
( byte )0, ( byte )'b', ( byte )0, ( byte )'a', ( byte )0,
( byte )'r', ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )14,
( byte )0, ( byte )2, ( byte )1, unchecked (( byte )-1), unchecked (( byte )-1),
unchecked (( byte )-1), unchecked (( byte )-1), unchecked (( byte )-1), unchecked (( byte )-1), unchecked (( byte )-1),
unchecked (( byte )-1), unchecked (( byte )-1), unchecked (( byte )-1), unchecked (( byte )-1), unchecked (( byte )-1),
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0x78, ( byte )0x56, ( byte )0x34,
( byte )0x12, ( byte )1, ( byte )16, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0
};
Assert.AreEqual(array2.Length, output.Length);
for (int j = 0; j < output.Length; j++)
{
Assert.AreEqual(array2[j],
output[j], "Checking property offset " + j);
}
}
