protected sealed override void Check()
{
var path = (string)Arguments[0];
var file = File.ReadAllText(path);
var syntaxTree = SyntaxFactory.ParseSyntaxTree(file, path: path, encoding: Encoding.UTF8);
var compilation = Tests.CreateCompilation(false, syntaxTree);
compilation = Normalizer.ApplyNormalizers(compilation);
_root = compilation.SyntaxTrees.First().GetRoot();
Output.Trace("{0}", _root.ToFullString());
CheckLines();
}
private void CheckDiagnostics <T>(string file)
where T : Analyzer, new()
{
var analyzer = new T();
var code = ParseFile(file);
var compilation = CreateCompilation(code).WithAnalyzers(ImmutableArray.Create((DiagnosticAnalyzer)analyzer));
var expectedDiagnostics = GetExpectedDiagnostics(analyzer, compilation.Compilation).ToArray();
var actualDiagnostics = compilation.GetAllDiagnosticsAsync().Result.Where(d => !d.Descriptor.Id.StartsWith("CS")).ToArray();
var commonDiagnostics = expectedDiagnostics.Intersect(actualDiagnostics, new DiagnosticComparer());
if (expectedDiagnostics.Length != actualDiagnostics.Length || expectedDiagnostics.Length != commonDiagnostics.Count())
{
var builder = new StringBuilder();
builder.AppendLine();
builder.AppendLine();
builder.AppendLine("Actual Diagnostics:");
builder.AppendLine("===================");
foreach (var diagnostic in actualDiagnostics.OrderBy(d => d.Location.SourceSpan.Start))
{
Write(builder, diagnostic);
}
builder.AppendLine("Expected Diagnostics:");
builder.AppendLine("=====================");
foreach (var diagnostic in expectedDiagnostics.OrderBy(d => d.Location.SourceSpan.Start))
{
Write(builder, diagnostic);
}
throw new TestException(builder.ToString());
}
foreach (var diagnostic in actualDiagnostics)
{
Output.Trace("{0}\n", diagnostic);
}
}
