protected static Diagnostic[] GetSortedDiagnostics(FileAndSource[] sources, string language, DiagnosticAnalyzer analyzer, TestValidationMode validationMode = DefaultTestValidationMode, bool addLanguageSpecificCodeAnalysisReference = true, bool allowUnsafeCode = false, string projectName = TestProjectName, IEnumerable<TestAdditionalDocument> additionalFiles = null)
{
Tuple<Document[], bool, TextSpan?[]> documentsAndUseSpan = GetDocumentsAndSpans(sources, language, addLanguageSpecificCodeAnalysisReference, projectName, allowUnsafeCode);
Document[] documents = documentsAndUseSpan.Item1;
bool useSpans = documentsAndUseSpan.Item2;
TextSpan?[] spans = documentsAndUseSpan.Item3;
return GetSortedDiagnostics(analyzer, documents, useSpans ? spans : null, validationMode, additionalFiles);
}
private static Project CreateProject(
FileAndSource[] sources,
string language = LanguageNames.CSharp,
bool addLanguageSpecificCodeAnalysisReference = true,
Solution addToSolution = null,
string projectName = TestProjectName,
bool allowUnsafeCode = false)
{
string fileNamePrefix = DefaultFilePathPrefix;
string fileExt = language == LanguageNames.CSharp ? CSharpDefaultFileExt : VisualBasicDefaultExt;
CompilationOptions options = language == LanguageNames.CSharp
? (allowUnsafeCode ? s_CSharpUnsafeCodeDefaultOptions : s_CSharpDefaultOptions)
: s_visualBasicDefaultOptions;
ProjectId projectId = ProjectId.CreateNewId(debugName: projectName);
Project project = (addToSolution ?? new AdhocWorkspace().CurrentSolution)
.AddProject(projectId, projectName, projectName, language)
.AddMetadataReference(projectId, s_corlibReference)
.AddMetadataReference(projectId, s_systemCoreReference)
.AddMetadataReference(projectId, s_systemXmlReference)
.AddMetadataReference(projectId, s_systemXmlDataReference)
.AddMetadataReference(projectId, s_codeAnalysisReference)
.AddMetadataReference(projectId, SystemRuntimeFacadeRef)
.AddMetadataReference(projectId, SystemThreadingFacadeRef)
.AddMetadataReference(projectId, SystemThreadingTaskFacadeRef)
.AddMetadataReference(projectId, s_immutableCollectionsReference)
.AddMetadataReference(projectId, s_workspacesReference)
.AddMetadataReference(projectId, s_systemDiagnosticsDebugReference)
.AddMetadataReference(projectId, s_systemDataReference)
.WithProjectCompilationOptions(projectId, options)
.GetProject(projectId);
// Enable IOperation Feature on the project
var parseOptions = project.ParseOptions.WithFeatures(project.ParseOptions.Features.Concat(SpecializedCollections.SingletonEnumerable(KeyValuePair.Create("IOperation", "true"))));
project = project.WithParseOptions(parseOptions);
if (addLanguageSpecificCodeAnalysisReference)
{
MetadataReference symbolsReference = language == LanguageNames.CSharp ? s_csharpSymbolsReference : s_visualBasicSymbolsReference;
project = project.AddMetadataReference(symbolsReference);
}
if (language == LanguageNames.VisualBasic)
{
project = project.AddMetadataReference(s_visualBasicReference);
}
int count = 0;
foreach (FileAndSource source in sources)
{
string newFileName = source.FilePath ?? fileNamePrefix + count++ + "." + fileExt;
DocumentId documentId = DocumentId.CreateNewId(projectId, debugName: newFileName);
project = project.AddDocument(newFileName, SourceText.From(source.Source)).Project;
}
return project;
}
private static Tuple<Document[], bool, TextSpan?[]> GetDocumentsAndSpans(FileAndSource[] sources, string language, bool addLanguageSpecificCodeAnalysisReference = true, string projectName = TestProjectName, bool allowUnsafeCode = false)
{
Assert.True(language == LanguageNames.CSharp || language == LanguageNames.VisualBasic, "Unsupported language");
var spans = new TextSpan?[sources.Length];
bool useSpans = false;
for (int i = 0; i < sources.Length; i++)
{
string source;
int? pos;
TextSpan? span;
MarkupTestFile.GetPositionAndSpan(sources[i].Source, out source, out pos, out span);
sources[i].Source = source;
spans[i] = span;
if (span != null)
{
useSpans = true;
}
}
Project project = CreateProject(sources, language, addLanguageSpecificCodeAnalysisReference, null, projectName, allowUnsafeCode);
Document[] documents = project.Documents.ToArray();
Assert.Equal(sources.Length, documents.Length);
return Tuple.Create(documents, useSpans, spans);
}
private void Verify(FileAndSource[] sources, string language, DiagnosticAnalyzer analyzer, TestValidationMode validationMode, bool allowUnsafeCode, params DiagnosticResult[] expected)
{
var diagnostics = GetSortedDiagnostics(sources, language, analyzer, validationMode, allowUnsafeCode: allowUnsafeCode);
diagnostics.Verify(analyzer, PrintActualDiagnosticsOnFailure, ExpectedDiagnosticsAssertionTemplate, expected);
}
protected void VerifyBasic(FileAndSource[] sources, params DiagnosticResult[] expected)
{
Verify(sources, LanguageNames.VisualBasic, GetBasicDiagnosticAnalyzer(), DefaultTestValidationMode, false, expected);
}
protected void VerifyCSharp(FileAndSource[] sources, params DiagnosticResult[] expected)
{
Verify(sources, LanguageNames.CSharp, GetCSharpDiagnosticAnalyzer(), DefaultTestValidationMode, false, expected);
}