public async Task ExtendsTextChangeAtEnd()
        {
            var testFile = new TestFile("dummy.cs", "class {\n}");

            using (var host = CreateOmniSharpHost(testFile))
            {
                var document = host.Workspace.GetDocument(testFile.FileName);
                var text     = await document.GetTextAsync();

                var textChange = new TextChange(TextSpan.FromBounds(5, 7), "\r\n {\r");

                var adjustedTextChange = TextChanges.Convert(text, textChange);

                Assert.Equal("\r\n {\r\n", adjustedTextChange.NewText);
                Assert.Equal(0, adjustedTextChange.StartLine);
                Assert.Equal(5, adjustedTextChange.StartColumn);
                Assert.Equal(1, adjustedTextChange.EndLine);
                Assert.Equal(0, adjustedTextChange.EndColumn);
            }
        }