private static async Task TestSymbolFoundAsync(string inputLine, string code)
{
using var workspace = TestWorkspace.CreateCSharp(code);
var result = await StackTraceAnalyzer.AnalyzeAsync(inputLine, CancellationToken.None);
Assert.Single(result.ParsedFrames);
var stackFrame = result.ParsedFrames[0] as ParsedStackFrame;
AssertEx.NotNull(stackFrame);
// Test that ToString() and reparsing keeps the same outcome
var reparsedResult = await StackTraceAnalyzer.AnalyzeAsync(stackFrame.ToString(), CancellationToken.None);
Assert.Single(reparsedResult.ParsedFrames);
var reparsedFrame = reparsedResult.ParsedFrames[0] as ParsedStackFrame;
AssertEx.NotNull(reparsedFrame);
StackFrameUtils.AssertEqual(stackFrame.Root, reparsedFrame.Root);
// Get the definition for the parsed frame
var service = workspace.Services.GetRequiredService <IStackTraceExplorerService>();
var definition = await service.TryFindDefinitionAsync(workspace.CurrentSolution, stackFrame, StackFrameSymbolPart.Method, CancellationToken.None);
AssertEx.NotNull(definition);
// Get the symbol that was indicated in the source code by cursor position
var cursorDoc = workspace.Documents.Single();
var selectedSpan = cursorDoc.SelectedSpans.Single();
var doc = workspace.CurrentSolution.GetRequiredDocument(cursorDoc.Id);
var root = await doc.GetRequiredSyntaxRootAsync(CancellationToken.None);
var node = root.FindNode(selectedSpan);
var semanticModel = await doc.GetRequiredSemanticModelAsync(CancellationToken.None);
var expectedSymbol = semanticModel.GetDeclaredSymbol(node);
AssertEx.NotNull(expectedSymbol);
// Compare the definition found to the definition for the test symbol
var expectedDefinition = expectedSymbol.ToNonClassifiedDefinitionItem(workspace.CurrentSolution, includeHiddenLocations: true);
Assert.Equal(expectedDefinition.IsExternal, definition.IsExternal);
AssertEx.SetEqual(expectedDefinition.NameDisplayParts, definition.NameDisplayParts);
AssertEx.SetEqual(expectedDefinition.OriginationParts, definition.OriginationParts);
AssertEx.SetEqual(expectedDefinition.Properties, definition.Properties);
AssertEx.SetEqual(expectedDefinition.SourceSpans, definition.SourceSpans);
AssertEx.SetEqual(expectedDefinition.Tags, definition.Tags);
}
private static void Verify(
string input,
StackFrameMethodDeclarationNode?methodDeclaration = null,
bool expectFailure = false,
StackFrameFileInformationNode?fileInformation = null,
StackFrameToken?eolTokenOpt = null)
{
FuzzyTest(input);
var tree = StackFrameParser.TryParse(input);
if (expectFailure)
{
Assert.Null(tree);
return;
}
AssertEx.NotNull(tree);
VerifyCharacterSpans(input, tree);
if (methodDeclaration is null)
{
Assert.Null(tree.Root.MethodDeclaration);
}
else
{
StackFrameUtils.AssertEqual(methodDeclaration, tree.Root.MethodDeclaration);
}
if (fileInformation is null)
{
Assert.Null(tree.Root.FileInformationExpression);
}
else
{
StackFrameUtils.AssertEqual(fileInformation, tree.Root.FileInformationExpression);
}
var eolToken = eolTokenOpt.HasValue
? eolTokenOpt.Value
: CreateToken(StackFrameKind.EndOfFrame, "");
StackFrameUtils.AssertEqual(eolToken, tree.Root.EndOfLineToken);
}