public void CheckGetLineInEmptyDocument() { Assert.AreEqual(1, document.Lines.Count); List <DocumentLine> lines = new List <DocumentLine>(document.Lines); Assert.AreEqual(1, lines.Count); DocumentLine line = document.Lines[0]; Assert.AreSame(line, lines[0]); Assert.AreSame(line, document.GetLineByNumber(1)); Assert.AreSame(line, document.GetLineByOffset(0)); }