public async Task TestGetTagsOnBufferTagger()
{
// don't crash
using (var workspace = await TestWorkspace.CreateCSharpAsync("class C { C c; }"))
{
var document = workspace.Documents.First();
var waiter = new Waiter();
var provider = new SemanticClassificationBufferTaggerProvider(
workspace.ExportProvider.GetExportedValue <IForegroundNotificationService>(),
workspace.ExportProvider.GetExportedValue <ISemanticChangeNotificationService>(),
workspace.ExportProvider.GetExportedValue <ClassificationTypeMap>(),
SpecializedCollections.SingletonEnumerable(
new Lazy <IAsynchronousOperationListener, FeatureMetadata>(
() => waiter, new FeatureMetadata(new Dictionary <string, object>()
{
{ "FeatureName", FeatureAttribute.Classification }
}))));
var tagger = provider.CreateTagger <IClassificationTag>(document.TextBuffer);
using (var disposable = (IDisposable)tagger)
{
await waiter.CreateWaitTask();
var tags = tagger.GetTags(document.TextBuffer.CurrentSnapshot.GetSnapshotSpanCollection());
var allTags = tagger.GetAllTags(document.TextBuffer.CurrentSnapshot.GetSnapshotSpanCollection(), CancellationToken.None);
Assert.Empty(tags);
Assert.NotEmpty(allTags);
Assert.Equal(allTags.Count(), 1);
}
}
}
public async Task TestGetTagsOnBufferTagger()
{
// don't crash
using (var workspace = await TestWorkspace.CreateCSharpAsync("class C { C c; }"))
{
var document = workspace.Documents.First();
var waiter = new Waiter();
var provider = new SemanticClassificationBufferTaggerProvider(
workspace.ExportProvider.GetExportedValue<IForegroundNotificationService>(),
workspace.ExportProvider.GetExportedValue<ISemanticChangeNotificationService>(),
workspace.ExportProvider.GetExportedValue<ClassificationTypeMap>(),
SpecializedCollections.SingletonEnumerable(
new Lazy<IAsynchronousOperationListener, FeatureMetadata>(
() => waiter, new FeatureMetadata(new Dictionary<string, object>() { { "FeatureName", FeatureAttribute.Classification } }))));
var tagger = provider.CreateTagger<IClassificationTag>(document.TextBuffer);
using (var disposable = (IDisposable)tagger)
{
await waiter.CreateWaitTask();
var tags = tagger.GetTags(document.TextBuffer.CurrentSnapshot.GetSnapshotSpanCollection());
var allTags = tagger.GetAllTags(document.TextBuffer.CurrentSnapshot.GetSnapshotSpanCollection(), CancellationToken.None);
Assert.Empty(tags);
Assert.NotEmpty(allTags);
Assert.Equal(allTags.Count(), 1);
}
}
}
