public async Task GetCSharpSyntaxTreeAsync_InWorkspace_ReusesSyntaxTree()
{
// Arrange
var filePath = "C:\\path\\to\\file.razor.cs";
var uri = new Uri(filePath);
using var workspace = TestWorkspace.Create(adhocWorkspace =>
{
var project = adhocWorkspace.AddProject("TestProject", LanguageNames.CSharp);
var csharpSourceText = SourceText.From("class Foo{}");
var documentId = DocumentId.CreateNewId(project.Id);
var textAndVersion = TextAndVersion.Create(csharpSourceText, VersionStamp.Default);
var textLoader = TextLoader.From(textAndVersion);
var documentInfo = DocumentInfo.Create(documentId, "TestDocument", loader: textLoader, filePath: filePath);
adhocWorkspace.AddDocument(documentInfo);
});
var textBuffer = new TestTextBuffer(new StringTextSnapshot("INVALID"));
var virtualDocument = new CSharpVirtualDocument(uri, textBuffer);
var virtualDocumentSnapshot = (CSharpVirtualDocumentSnapshot)virtualDocument.CurrentSnapshot;
// Act
var syntaxTree = await virtualDocumentSnapshot.GetCSharpSyntaxTreeAsync(workspace, CancellationToken.None);
// Assert
var diagnostics = syntaxTree.GetDiagnostics();
Assert.Empty(diagnostics);
Assert.True(syntaxTree.Length > 0);
}
public async Task GetCSharpSyntaxTreeAsync_NoWorkspace_CreatesSyntaxTree()
{
// Arrange
var filePath = "C:\\path\\to\\file.razor.cs";
var uri = new Uri(filePath);
var textBuffer = new TestTextBuffer(new StringTextSnapshot("class Foo{}"));
var virtualDocument = new CSharpVirtualDocument(uri, textBuffer);
var virtualDocumentSnapshot = (CSharpVirtualDocumentSnapshot)virtualDocument.CurrentSnapshot;
// Act
var syntaxTree = await virtualDocumentSnapshot.GetCSharpSyntaxTreeAsync(workspace : null, CancellationToken.None);
// Assert
var diagnostics = syntaxTree.GetDiagnostics();
Assert.Empty(diagnostics);
Assert.True(syntaxTree.Length > 0);
}
