private async Task VerifyProviderCommitCheckResultsAsync(Document document, int position, string itemToCommit, string expectedCodeAfterCommit, char?commitCharOpt, string textTypedSoFar)
{
var textBuffer = (await WorkspaceFixture.GetWorkspaceAsync()).Documents.Single().TextBuffer;
var textSnapshot = textBuffer.CurrentSnapshot.AsText();
var items = (await GetCompletionListAsync(document, position, CompletionTrigger.Default)).Items;
var firstItem = items.First(i => CompareItems(i.DisplayText, itemToCommit));
var completionRules = GetCompletionHelper(document);
var commitChar = commitCharOpt ?? '\t';
var text = await document.GetTextAsync();
if (commitChar == '\t' || completionRules.IsCommitCharacter(firstItem, commitChar, textTypedSoFar))
{
var textChange = CompletionHelper.GetTextChangeAsync(document, firstItem, commitChar).Result;
// Adjust TextChange to include commit character, so long as it isn't TAB.
if (commitChar != '\t')
{
textChange = new TextChange(textChange.Span, textChange.NewText.TrimEnd(commitChar) + commitChar);
}
text = text.WithChanges(textChange);
}
else
{
// nothing was committed, but we should insert the commit character.
var textChange = new TextChange(new TextSpan(firstItem.Span.End, 0), commitChar.ToString());
text = text.WithChanges(textChange);
}
Assert.Equal(expectedCodeAfterCommit, text.ToString());
}
public override async Task <CompletionDescription> GetDescriptionAsync(Document document, CancellationToken cancellationToken)
{
var languageServices = document.Project.LanguageServices;
var snippetService = languageServices.GetService <ISnippetInfoService>();
var description = await this.CompletionService.GetDescriptionAsync(document, this.Item, cancellationToken).ConfigureAwait(false);
var parts = description.TaggedParts;
var change = await CompletionHelper.GetTextChangeAsync(this.CompletionService, document, this.Item, '\t').ConfigureAwait(false);
var insertionText = change.NewText;
var note = string.Empty;
if (snippetService != null && snippetService.SnippetShortcutExists_NonBlocking(insertionText))
{
note = string.Format(FeaturesResources.NoteTabTwiceToInsertTheSnippet, insertionText);
}
if (!string.IsNullOrEmpty(note))
{
if (parts.Any())
{
parts = parts.Add(new TaggedText(TextTags.LineBreak, Environment.NewLine));
}
parts = parts.Add(new TaggedText(TextTags.Text, note));
}
return(description.WithTaggedParts(parts));
}