public void ReadNamedBlockHeaderReadOversize()
{
// Well formed data with an extra last byte
byte[] streamData =
{
79, 105, 71, 114, 111, 117, 112, 0, 11, 0, 0, 0, 91
};
WangStream stream = new WangStream(streamData);
// As we ask to read the entire data, including the extra byte, an
// error should rise.
WangNamedBlockHeader read = WangAnnotationStructureReader.ReadNamedBlockHeader(stream, streamData.Length);
Assert.IsTrue(read == null);
}
public void ReadNamedBlockHeaderStd32()
{
// Well formed data with an extra last byte
byte[] streamData =
{
79, 105, 71, 114, 111, 117, 112, 0, 11, 0, 0, 0, 91
};
WangStream stream = new WangStream(streamData);
WangNamedBlockHeader read = WangAnnotationStructureReader.ReadNamedBlockHeader(stream, 12);
Assert.IsTrue(read != null);
Assert.AreEqual("OiGroup", read.Name);
Assert.AreEqual(11, read.Size);
Assert.AreEqual(1, stream.AvailableBytes());
}
public void ReadNamedBlockHeaderReadFailure()
{
byte[] streamData =
{
79, 105, 71, 114, 111, 117, 112, 0, 11, 0, 0, 0
};
// The streamData is well formed.
// Just using a part of the data should cause an error to rise.
for (int dataSize = 0; dataSize < streamData.Length - 1; dataSize++)
{
byte[] streamDataTooShort = new byte[dataSize];
Array.Copy(streamData, 0, streamDataTooShort, 0, dataSize);
WangStream stream = new WangStream(streamDataTooShort);
WangNamedBlockHeader read = WangAnnotationStructureReader.ReadNamedBlockHeader(stream,
streamDataTooShort.Length);
Assert.IsTrue(read == null);
}
}
