public void CreateBackspaceCommandArgsWithNullSubjectBuffer()
{
var view = EditorFactory.CreateView(TestExportProvider.ExportProviderWithCSharpAndVisualBasic, "class C { }");
Assert.Throws <ArgumentNullException>(() =>
new BackspaceKeyCommandArgs(view, null));
}
public void TestTypedCharProperty()
{
using var disposableView = EditorFactory.CreateView(TestExportProvider.ExportProviderWithCSharpAndVisualBasic, "class C { }");
var args = new TypeCharCommandArgs(disposableView.TextView, disposableView.TextView.TextBuffer, 'c');
Assert.Equal('c', args.TypedChar);
}
public void TestSubjectProperty()
{
var view = new StandardBufferView(EditorFactory.CreateView(TestExportProvider.ExportProvider, "class C { }"));
var args = new BackspaceKeyCommandArgs(view, view.TextBuffer);
Assert.Equal(view.TextBuffer, args.SubjectBuffer);
}
private static void CommentOrUncommentSelection(
string code,
IEnumerable <TextChange> expectedChanges,
IEnumerable <Span> expectedSelectedSpans,
bool supportBlockComments,
Operation operation)
{
using var disposableView = EditorFactory.CreateView(TestExportProvider.ExportProviderWithCSharpAndVisualBasic, code);
var selectedSpans = SetupSelection(disposableView.TextView);
CommentOrUncommentSelection(disposableView.TextView, expectedChanges, expectedSelectedSpans, supportBlockComments, operation);
}
public void Comment_ApplyTwice()
{
var code = @"|start|class C
{
void M() { }
}|end|
";
using (var disposableView = EditorFactory.CreateView(TestExportProvider.ExportProviderWithCSharpAndVisualBasic, code))
{
var selectedSpans = SetupSelection(disposableView.TextView);
var expectedChanges = new[]
{
new TextChange(new TextSpan(0, 0), "//"),
new TextChange(new TextSpan(9, 0), "//"),
new TextChange(new TextSpan(12, 0), "//"),
new TextChange(new TextSpan(30, 0), "//"),
};
CommentSelection(
disposableView.TextView,
expectedChanges,
supportBlockComments: false,
expectedSelectedSpans: new[] { new Span(0, 39) });
expectedChanges = new[]
{
new TextChange(new TextSpan(0, 0), "//"),
new TextChange(new TextSpan(11, 0), "//"),
new TextChange(new TextSpan(16, 0), "//"),
new TextChange(new TextSpan(36, 0), "//"),
};
CommentSelection(
disposableView.TextView,
expectedChanges,
supportBlockComments: false,
expectedSelectedSpans: new[] { new Span(0, 47) });
}
}
public void TestInvokeQuickInfoCommandArgs()
{
var view = new StandardBufferView(EditorFactory.CreateView(TestExportProvider.ExportProvider, "class C { }"));
new InvokeQuickInfoCommandArgs(view, view.TextBuffer);
}
public AbstractCommandHandlerTestState(
XElement workspaceElement,
TestComposition composition,
string?workspaceKind = null,
bool makeSeparateBufferForCursor = false,
ImmutableArray <string> roles = default)
{
Workspace = TestWorkspace.CreateWorkspace(
workspaceElement,
composition: composition,
workspaceKind: workspaceKind);
if (makeSeparateBufferForCursor)
{
var languageName = Workspace.Projects.First().Language;
var contentType = Workspace.Services.GetLanguageServices(languageName).GetRequiredService <IContentTypeLanguageService>().GetDefaultContentType();
_createdTextView = EditorFactory.CreateView(Workspace.ExportProvider, contentType, roles);
_textView = _createdTextView.TextView;
_subjectBuffer = _textView.TextBuffer;
}
else
{
var cursorDocument = Workspace.Documents.First(d => d.CursorPosition.HasValue);
_textView = cursorDocument.GetTextView();
_subjectBuffer = cursorDocument.GetTextBuffer();
if (cursorDocument.AnnotatedSpans.TryGetValue("Selection", out var selectionSpanList))
{
var firstSpan = selectionSpanList.First();
var lastSpan = selectionSpanList.Last();
var cursorPosition = cursorDocument.CursorPosition !.Value;
Assert.True(cursorPosition == firstSpan.Start || cursorPosition == firstSpan.End ||
cursorPosition == lastSpan.Start || cursorPosition == lastSpan.End,
"cursorPosition wasn't at an endpoint of the 'Selection' annotated span");
_textView.Selection.Mode = selectionSpanList.Length > 1
? TextSelectionMode.Box
: TextSelectionMode.Stream;
SnapshotPoint boxSelectionStart, boxSelectionEnd;
bool isReversed;
if (cursorPosition == firstSpan.Start || cursorPosition == lastSpan.End)
{
// Top-left and bottom-right corners used as anchor points.
boxSelectionStart = new SnapshotPoint(_subjectBuffer.CurrentSnapshot, firstSpan.Start);
boxSelectionEnd = new SnapshotPoint(_subjectBuffer.CurrentSnapshot, lastSpan.End);
isReversed = cursorPosition == firstSpan.Start;
}
else
{
// Top-right and bottom-left corners used as anchor points.
boxSelectionStart = new SnapshotPoint(_subjectBuffer.CurrentSnapshot, firstSpan.End);
boxSelectionEnd = new SnapshotPoint(_subjectBuffer.CurrentSnapshot, lastSpan.Start);
isReversed = cursorPosition == firstSpan.End;
}
_textView.Selection.Select(
new SnapshotSpan(boxSelectionStart, boxSelectionEnd),
isReversed: isReversed);
}
}
this.EditorOperations = GetService <IEditorOperationsFactoryService>().GetEditorOperations(_textView);
this.UndoHistoryRegistry = GetService <ITextUndoHistoryRegistry>();
}
