GetClassificationSpans() public method

public GetClassificationSpans ( SnapshotSpan span ) : IList
span SnapshotSpan
return IList
ClassifiersAggregator Class Documentation
Exemplo n.º 1
0
        public void GetClassificationSpans()
        {
            var fullSpan = Utils.CreateSpan("Some text");
            var span1 = new SnapshotSpan(fullSpan.Snapshot, new Span(0, 4));
            var span2 = new SnapshotSpan(fullSpan.Snapshot, new Span(5, 4));

            var classifier1 = new StubIClassifier();
            classifier1.GetClassificationSpansSnapshotSpan = s => new List<ClassificationSpan> {
                new ClassificationSpan(
                    new SnapshotSpan(s.Snapshot, new Span(0, 4)),
                    new ClassificationTypeStub("ClassificationType1"))
            };
            var classifier2 = new StubIClassifier();
            classifier2.GetClassificationSpansSnapshotSpan = s => new List<ClassificationSpan> {
                new ClassificationSpan(
                    new SnapshotSpan(s.Snapshot, new Span(5, 4)),
                    new ClassificationTypeStub("ClassificationType2"))
            };

            var aggregator = new ClassifiersAggregator(classifier1, classifier2);
            var result = aggregator.GetClassificationSpans(fullSpan);
            Assert.AreEqual(2, result.Count);

            var classificationSpan1 = result.SingleOrDefault(s => s.ClassificationType.Classification == "ClassificationType1");
            var classificationSpan2 = result.SingleOrDefault(s => s.ClassificationType.Classification == "ClassificationType2");
            Assert.IsNotNull(classificationSpan1);
            Assert.AreEqual(span1, classificationSpan1.Span);
            Assert.IsNotNull(classificationSpan2);
            Assert.AreEqual(span2, classificationSpan2.Span);
        }