public void Virtual(string line1)
{
Create(line1, "");
var point1 = _textBuffer.GetVirtualPointInLine(0, 0);
var point2 = _textBuffer.GetVirtualPointInLine(0, 4);
var span = new VirtualSnapshotSpan(point1, point2);
_textView.Selection.Select(point1, point2);
DoEvents();
var visualSpan = VisualSpan.CreateForVirtualSelection(_textView, VisualKind.Character, tabStop: 4, useVirtualSpace: true);
Assert.Equal(point1, visualSpan.AsCharacter().CharacterSpan.VirtualStart);
Assert.Equal(point2, visualSpan.AsCharacter().CharacterSpan.VirtualEnd);
Assert.Equal(span.Length, visualSpan.AsCharacter().CharacterSpan.VirtualLength);
}