public static void CreateTaggerThrowsArgumentNullExceptionWhenBufferIsNullToFailFast()
{
var provider = new TemplateOutliningTaggerProvider(Substitute.For <ITemplateEditorOptions>());
var e = Assert.Throws <ArgumentNullException>(() => provider.CreateTagger <OutliningRegionTag>(null));
Assert.Equal("buffer", e.ParamName);
}
public static void CreateTaggerDoesNotReturnTaggerWhenTemplateOutliningIsDisabled()
{
ITemplateEditorOptions options = OptionsWithTemplateOutliningEnabled(false);
var provider = new TemplateOutliningTaggerProvider(options);
Assert.Null(provider.CreateTagger <OutliningRegionTag>(new FakeTextBuffer(string.Empty)));
}
public static void CreateTaggerReturnsTemplateOutliningTagger()
{
ITemplateEditorOptions options = OptionsWithTemplateOutliningEnabled(true);
var provider = new TemplateOutliningTaggerProvider(options);
var tagger = provider.CreateTagger <OutliningRegionTag>(new FakeTextBuffer(string.Empty));
Assert.Equal(typeof(TemplateOutliningTagger), tagger.GetType());
}
public static void CreateTaggerReturnsSingleTaggerWhenCalledMultipleTimesForSameBuffer()
{
ITemplateEditorOptions options = OptionsWithTemplateOutliningEnabled(true);
var provider = new TemplateOutliningTaggerProvider(options);
var buffer = new FakeTextBuffer(string.Empty);
var tagger1 = provider.CreateTagger <OutliningRegionTag>(buffer);
var tagger2 = provider.CreateTagger <OutliningRegionTag>(buffer);
Assert.Same(tagger1, tagger2);
}