public void TextBufferChangeRemovesOldTagSpans()
{
var buffer = new FakeTextBuffer("<#");
var tagger = new TemplateClassificationTagger(buffer, this.registry);
buffer.CurrentSnapshot = new FakeTextSnapshot(string.Empty);
Assert.False(tagger.GetTaggedSpans(new SnapshotSpan(buffer.CurrentSnapshot, 0, buffer.CurrentSnapshot.Length)).Any());
}
public void TextBufferChangeRaisesTagsChangedEvent()
{
var buffer = new FakeTextBuffer(string.Empty);
var tagger = new TemplateClassificationTagger(buffer, this.registry);
bool tagsChangedEventRaised = false;
tagger.TagsChanged += (sender, args) => tagsChangedEventRaised = true;
buffer.CurrentSnapshot = new FakeTextSnapshot("<#");
Assert.True(tagsChangedEventRaised);
}
private IEnumerable<ITagSpan<ClassificationTag>> GetTags(string text)
{
var buffer = new FakeTextBuffer(text);
var tagger = new TemplateClassificationTagger(buffer, this.registry);
var spans = new NormalizedSnapshotSpanCollection(new SnapshotSpan(buffer.CurrentSnapshot, 0, buffer.CurrentSnapshot.Length));
return tagger.GetTags(spans);
}