/// <summary>
/// verifyUndo is needed because of https://github.com/dotnet/roslyn/issues/28033
/// Most tests will continue to verifyUndo, but select tests will skip it due to
/// this known test infrastructure issure. This bug does not represent a product
/// failure.
/// </summary>
private void TestWorker(
string inputMarkup,
string expectedOutputMarkup,
Action callback,
bool verifyUndo = true,
IndentStyle indentStyle = IndentStyle.Smart,
bool useTabs = false)
{
using var workspace = TestWorkspace.CreateCSharp(inputMarkup);
workspace.TryApplyChanges(workspace.CurrentSolution.WithOptions(workspace.Options
.WithChangedOption(SmartIndent, LanguageNames.CSharp, indentStyle)
.WithChangedOption(UseTabs, LanguageNames.CSharp, useTabs)));
if (useTabs && expectedOutputMarkup != null)
{
Assert.Contains("\t", expectedOutputMarkup);
}
var document = workspace.Documents.Single();
var view = document.GetTextView();
var originalSnapshot = view.TextBuffer.CurrentSnapshot;
var originalSelections = document.SelectedSpans;
var snapshotSpans = new List <SnapshotSpan>();
foreach (var selection in originalSelections)
{
snapshotSpans.Add(selection.ToSnapshotSpan(originalSnapshot));
}
view.SetMultiSelection(snapshotSpans);
var undoHistoryRegistry = workspace.GetService <ITextUndoHistoryRegistry>();
var commandHandler = new SplitStringLiteralCommandHandler(
undoHistoryRegistry,
workspace.GetService <IEditorOperationsFactoryService>());
if (!commandHandler.ExecuteCommand(new ReturnKeyCommandArgs(view, view.TextBuffer), TestCommandExecutionContext.Create()))
{
callback();
}
if (expectedOutputMarkup != null)
{
MarkupTestFile.GetSpans(expectedOutputMarkup,
out var expectedOutput, out ImmutableArray <TextSpan> expectedSpans);
Assert.Equal(expectedOutput, view.TextBuffer.CurrentSnapshot.AsText().ToString());
Assert.Equal(expectedSpans.First().Start, view.Caret.Position.BufferPosition.Position);
if (verifyUndo)
{
// Ensure that after undo we go back to where we were to begin with.
var history = undoHistoryRegistry.GetHistory(document.GetTextBuffer());
history.Undo(count: originalSelections.Count);
var currentSnapshot = document.GetTextBuffer().CurrentSnapshot;
Assert.Equal(originalSnapshot.GetText(), currentSnapshot.GetText());
Assert.Equal(originalSelections.First().Start, view.Caret.Position.BufferPosition.Position);
}
}
}
public void SendSelectAll(Action <SelectAllCommandArgs, Action, CommandExecutionContext> commandHandler, Action nextHandler) => commandHandler(new SelectAllCommandArgs(TextView, SubjectBuffer), nextHandler, TestCommandExecutionContext.Create());
public void SendToggleCompletionMode(Action <ToggleCompletionModeCommandArgs, Action, CommandExecutionContext> commandHandler, Action nextHandler) => commandHandler(new ToggleCompletionModeCommandArgs(TextView, SubjectBuffer), nextHandler, TestCommandExecutionContext.Create());
public void SendInvokeSignatureHelp(Action <InvokeSignatureHelpCommandArgs, Action, CommandExecutionContext> commandHandler, Action nextHandler) => commandHandler(new InvokeSignatureHelpCommandArgs(TextView, SubjectBuffer), nextHandler, TestCommandExecutionContext.Create());
public void SendTypeChar(char typeChar, Action <TypeCharCommandArgs, Action, CommandExecutionContext> commandHandler, Action nextHandler) => commandHandler(new TypeCharCommandArgs(TextView, SubjectBuffer, typeChar), nextHandler, TestCommandExecutionContext.Create());
public bool SendInsertSnippetCommand(Func <InsertSnippetCommandArgs, CommandExecutionContext, bool> commandHandler) => commandHandler(new InsertSnippetCommandArgs(TextView, SubjectBuffer), TestCommandExecutionContext.Create());
public bool SendSurroundWithCommand(Func <SurroundWithCommandArgs, CommandExecutionContext, bool> commandHandler) => commandHandler(new SurroundWithCommandArgs(TextView, SubjectBuffer), TestCommandExecutionContext.Create());
public void SendCommitUniqueCompletionListItem(Action <CommitUniqueCompletionListItemCommandArgs, Action, CommandExecutionContext> commandHandler, Action nextHandler) => commandHandler(new CommitUniqueCompletionListItemCommandArgs(TextView, SubjectBuffer), nextHandler, TestCommandExecutionContext.Create());
public void SendInsertSnippetCommand(Action <InsertSnippetCommandArgs, Action, CommandExecutionContext> commandHandler, Action nextHandler) => commandHandler(new InsertSnippetCommandArgs(TextView, SubjectBuffer), nextHandler, TestCommandExecutionContext.Create());
public bool SendReturn(Func <ReturnKeyCommandArgs, CommandExecutionContext, bool> commandHandler) => commandHandler(new ReturnKeyCommandArgs(TextView, SubjectBuffer), TestCommandExecutionContext.Create());
public void SendPageDown(Action <PageDownKeyCommandArgs, Action, CommandExecutionContext> commandHandler, Action nextHandler) => commandHandler(new PageDownKeyCommandArgs(TextView, SubjectBuffer), nextHandler, TestCommandExecutionContext.Create());
public bool SendBackTab(Func <BackTabKeyCommandArgs, CommandExecutionContext, bool> commandHandler) => commandHandler(new BackTabKeyCommandArgs(TextView, SubjectBuffer), TestCommandExecutionContext.Create());
public void SendBackTab(Action <BackTabKeyCommandArgs, Action, CommandExecutionContext> commandHandler, Action nextHandler) => commandHandler(new BackTabKeyCommandArgs(TextView, SubjectBuffer), nextHandler, TestCommandExecutionContext.Create());
public void SendWordDeleteToStart(Action <WordDeleteToStartCommandArgs, Action, CommandExecutionContext> commandHandler, Action nextHandler) => commandHandler(new WordDeleteToStartCommandArgs(TextView, SubjectBuffer), nextHandler, TestCommandExecutionContext.Create());
public void SendEscape()
{
_commandHandler.ExecuteCommand(new EscapeKeyCommandArgs(_view, _view.TextBuffer), TestCommandExecutionContext.Create());
}
public void TestExtractMethodCommandHandlerErrorMessage()
{
var markupCode = @"class A
{
[|void Method() {}|]
}";
using var workspace = TestWorkspace.CreateCSharp(markupCode, composition: EditorTestCompositions.EditorFeaturesWpf);
var testDocument = workspace.Documents.Single();
var view = testDocument.GetTextView();
view.Selection.Select(new SnapshotSpan(
view.TextBuffer.CurrentSnapshot, testDocument.SelectedSpans[0].Start, testDocument.SelectedSpans[0].Length), isReversed: false);
var callBackService = workspace.Services.GetService <INotificationService>() as INotificationServiceCallback;
var called = false;
callBackService.NotificationCallback = (t, m, s) => called = true;
var handler = workspace.ExportProvider.GetCommandHandler <ExtractMethodCommandHandler>(PredefinedCommandHandlerNames.ExtractMethod, ContentTypeNames.CSharpContentType);
handler.ExecuteCommand(new ExtractMethodCommandArgs(view, view.TextBuffer), TestCommandExecutionContext.Create());
Assert.True(called);
}