public void Exact_Offsets_Should_All_Match()
{
var offsets = GenerateUniqueRandonmOffsets(155, 500000);
var root = new Container()
{
Sequence = new DicomDataset()
};
root.CreateChildren(offsets, 5, 3, 3, 2);
var allChildren = root.AllContainer.Skip(1).ToArray();
var sequence = new DicomSequence(DicomTag.DirectoryRecordSequence);
root.Sequence.AddOrUpdate(sequence);
var byteSource = new TestByteSource();
var observer = new DicomDirectoryReaderObserver(root.Sequence);
observer.OnBeginSequence(byteSource, DicomTag.DirectoryRecordSequence, 0);
foreach (var container in allChildren)
{
sequence.Items.Add(container.Sequence);
byteSource.Position = container.Offset + 8;
observer.OnBeginSequenceItem(byteSource, 0);
observer.OnEndSequenceItem();
}
observer.OnEndSequence();
var rootRecord = new DicomDirectoryRecord
{
LowerLevelDirectoryRecord = observer.BuildDirectoryRecords(),
};
root.AssertRecord(rootRecord);
}
public void Duplicate_Offsets_Should_Not_Throw()
{
var offsets = new List <uint>(GenerateUniqueRandonmOffsets(155, 100000).Select(o => o * 5));
for (int i = 0; i < offsets.Count - 2; i += 2)
{
offsets[i + 1] = offsets[i];
}
var root = new Container()
{
Sequence = new DicomDataset()
};
root.CreateChildren(offsets, 5, 3, 3, 2);
var allChildren = root.AllContainer.Skip(1).ToArray();
var sequence = new DicomSequence(DicomTag.DirectoryRecordSequence);
root.Sequence.AddOrUpdate(sequence);
var byteSource = new TestByteSource();
var observer = new DicomDirectoryReaderObserver(root.Sequence);
observer.OnBeginSequence(byteSource, DicomTag.DirectoryRecordSequence, 0);
uint lastPosition = 0;
foreach (var container in allChildren)
{
sequence.Items.Add(container.Sequence);
var position = container.Offset + 8;
if (position == lastPosition)
{
position += 1;
}
lastPosition = position;
byteSource.Position = position;
observer.OnBeginSequenceItem(byteSource, 0);
observer.OnEndSequenceItem();
}
observer.OnEndSequence();
var rootRecord = new DicomDirectoryRecord
{
LowerLevelDirectoryRecord = observer.BuildDirectoryRecords(),
};
// Cannot assert all records when duplicate offsets exist.
// root.AssertRecord(rootRecord);
}