public async Task CanDoTagging(string testFile)
{
// Arrange.
var sourceCode = File.ReadAllText(testFile);
var textBuffer = TextBufferUtility.CreateTextBuffer(Container, sourceCode);
var backgroundParser = new BackgroundParser(textBuffer);
var snapshot = textBuffer.CurrentSnapshot;
var syntaxTree = snapshot.GetSyntaxTree(CancellationToken.None);
var snapshotSyntaxTree = new SnapshotSyntaxTree(snapshot, syntaxTree);
var tagger = CreateTagger(backgroundParser, snapshot);
// Act.
await tagger.InvalidateTags(snapshotSyntaxTree, CancellationToken.None);
var tagSpans = tagger.GetTags(new NormalizedSnapshotSpanCollection(new[]
{
new SnapshotSpan(snapshot, 0, snapshot.Length)
})).ToList();
// Assert.
if (MustCreateTagSpans)
{
Assert.That(tagSpans.Any());
}
backgroundParser.Dispose();
}
public void TestUnCommentIndented()
{
var view = TextViewUtility.CreateTextView(Container,
TextBufferUtility.CreateTextBuffer(Container, @"void f(){
//int i;
//half h;
float f;
}"));
view.Selection.Select(
new SnapshotSpan(
view.TextBuffer.CurrentSnapshot.GetLineFromLineNumber(1).Start,
view.TextBuffer.CurrentSnapshot.GetLineFromLineNumber(2).End
),
false
);
view.Selection.IsActive = true;
view.CommentOrUncommentBlock(false);
Assert.Equal(@"void f(){
int i;
half h;
float f;
}",
view.TextBuffer.CurrentSnapshot.GetText());
}
public void TestCommentBlankLine()
{
var view = TextViewUtility.CreateTextView(Container,
TextBufferUtility.CreateTextBuffer(Container, @"int i;
float f;"));
view.Caret.MoveTo(view.TextBuffer.CurrentSnapshot.GetLineFromLineNumber(1).Start);
view.CommentOrUncommentBlock(true);
Assert.Equal(@"int i;
float f;",
view.TextBuffer.CurrentSnapshot.GetText());
}
public void TestComment()
{
var view = TextViewUtility.CreateTextView(Container,
TextBufferUtility.CreateTextBuffer(Container, @"int i;
float f;"));
view.Selection.Select(
new SnapshotSpan(view.TextBuffer.CurrentSnapshot, new Span(0, view.TextBuffer.CurrentSnapshot.Length)),
false
);
view.Selection.IsActive = true;
view.CommentOrUncommentBlock(true);
Assert.Equal(@"//int i;
//float f;",
view.TextBuffer.CurrentSnapshot.GetText());
}
public void TestCommentAfterCodeIsNotUncommented()
{
var view = TextViewUtility.CreateTextView(Container,
TextBufferUtility.CreateTextBuffer(Container, @"int i;//comment that should stay a comment;
//half h;//another comment that should stay a comment;
float f;"));
view.Selection.Select(
new SnapshotSpan(view.TextBuffer.CurrentSnapshot, new Span(0, view.TextBuffer.CurrentSnapshot.GetText().IndexOf("float f;"))),
false
);
view.Selection.IsActive = true;
view.CommentOrUncommentBlock(false);
Assert.Equal(@"int i;//comment that should stay a comment;
half h;//another comment that should stay a comment;
float f;",
view.TextBuffer.CurrentSnapshot.GetText());
}
internal async Task <List <ITagSpan <TTag> > > GetTagSpans <TTagger, TTag>(string sourceCode, CreateTagger <TTagger, TTag> createTagger)
where TTagger : AsyncTagger <TTag>
where TTag : ITag
{
var textBuffer = TextBufferUtility.CreateTextBuffer(Container, sourceCode);
var backgroundParser = new BackgroundParser(textBuffer);
var snapshot = textBuffer.CurrentSnapshot;
var tagger = createTagger(backgroundParser, textBuffer);
await tagger.InvalidateTags(snapshot, CancellationToken.None);
var tags = tagger.GetTags(new NormalizedSnapshotSpanCollection(new[]
{
new SnapshotSpan(snapshot, 0, snapshot.Length)
})).ToList();
backgroundParser.Dispose();
return(tags);
}
