public void Test_SolutionSize_Update() { var expected = 12345; var solution = CreateSolution(expected); var analyzer = new SolutionSizeTracker.IncrementalAnalyzer(); // initialize analyzer.NewSolutionSnapshotAsync(solution, CancellationToken.None).Wait(); AddSolution(analyzer, solution); // update document var document = solution.Projects.First().Documents.First(); var length = document.GetSyntaxTreeAsync().Result.Length; var text = SourceText.From(new string('2', 1000)); var newDocument = document.WithText(text); analyzer.AnalyzeSyntaxAsync(newDocument, CancellationToken.None).Wait(); var size = analyzer.GetSolutionSize(solution.Id); Assert.Equal(expected - length + text.Length, size); }