public void GetEndLine4()
        {
            Create("a", "");
            var span    = new SnapshotSpan(_buffer.CurrentSnapshot, 0, _buffer.CurrentSnapshot.Length);
            var endLine = SnapshotSpanUtil.GetEndLine(span);

            Assert.AreEqual(1, endLine.LineNumber);
        }
        public void GetEndLine3()
        {
            Create("", "b", "c");
            var span    = _buffer.GetLine(0).ExtentIncludingLineBreak;
            var endLine = SnapshotSpanUtil.GetEndLine(span);

            Assert.AreEqual(0, endLine.LineNumber);
        }