public static void CreateTaggerThrowsArgumentNullExceptionWhenBufferIsNullToFailFast()
{
var provider = new TemplateErrorTaggerProvider(Substitute.For <ITemplateEditorOptions>());
var e = Assert.Throws <ArgumentNullException>(() => provider.CreateTagger <ErrorTag>(null));
Assert.Equal("buffer", e.ParamName);
}
public static void CreateTaggerReturnsTemplateErrorTagger()
{
ITemplateEditorOptions options = OptionsWithErrorUnderliningEnabled(true);
var target = new TemplateErrorTaggerProvider(options);
Assert.NotNull(target.CreateTagger <ErrorTag>(new FakeTextBuffer(string.Empty)));
}
public static void CreateTaggerDoesNotReturnTaggerWhenErrorUnderliningIsDisabled()
{
ITemplateEditorOptions options = OptionsWithErrorUnderliningEnabled(false);
var target = new TemplateErrorTaggerProvider(options);
Assert.Null(target.CreateTagger <ErrorTag>(new FakeTextBuffer(string.Empty)));
}
public static void CreateTaggerReturnsSameTaggerWhenCalledMultipleTimesForSameBuffer()
{
ITemplateEditorOptions options = OptionsWithErrorUnderliningEnabled(true);
var target = new TemplateErrorTaggerProvider(options);
var buffer = new FakeTextBuffer(string.Empty);
var tagger1 = target.CreateTagger <ErrorTag>(buffer);
var tagger2 = target.CreateTagger <ErrorTag>(buffer);
Assert.Same(tagger1, tagger2);
}
