public void LargeNumberOfSpans()
{
using (var workspace = CSharpWorkspaceFactory.CreateWorkspaceFromFile(@"class Program
{
void M()
{
int z = 0;
z = z + z + z + z + z + z + z + z + z + z +
z + z + z + z + z + z + z + z + z + z +
z + z + z + z + z + z + z + z + z + z +
z + z + z + z + z + z + z + z + z + z +
z + z + z + z + z + z + z + z + z + z +
z + z + z + z + z + z + z + z + z + z +
z + z + z + z + z + z + z + z + z + z +
z + z + z + z + z + z + z + z + z + z +
z + z + z + z + z + z + z + z + z + z +
z + z + z + z + z + z + z + z + z + z;
}
}"))
{
var tagProducer = new TestTagProducer(
(span, cancellationToken) =>
{
return(new List <ITagSpan <TestTag> >()
{
new TagSpan <TestTag>(span, new TestTag())
});
});
var asyncListener = new TaggerOperationListener();
var notificationService = workspace.GetService <IForegroundNotificationService>();
var eventSource = CreateEventSource();
var taggerProvider = new TestTaggerProvider(
tagProducer,
eventSource,
workspace,
asyncListener,
notificationService);
var document = workspace.Documents.First();
var textBuffer = document.TextBuffer;
var snapshot = textBuffer.CurrentSnapshot;
var tagger = taggerProvider.CreateTagger <TestTag>(textBuffer);
using (IDisposable disposable = (IDisposable)tagger)
{
var spans = Enumerable.Range(0, 101).Select(i => new Span(i * 4, 1));
var snapshotSpans = new NormalizedSnapshotSpanCollection(snapshot, spans);
eventSource.SendUpdateEvent();
asyncListener.CreateWaitTask().PumpingWait();
var tags = tagger.GetTags(snapshotSpans);
Assert.Equal(1, tags.Count());
}
}
}
public TestTaggerProvider(
TestTagProducer tagProducer,
ITaggerEventSource eventSource,
Workspace workspace,
IAsynchronousOperationListener asyncListener,
IForegroundNotificationService notificationService,
bool disableCancellation = false)
: base(asyncListener, notificationService)
{
_tagProducer = tagProducer;
_eventSource = eventSource;
_workspace = workspace;
_disableCancellation = disableCancellation;
}