public void ExtractLine() { var text = "0123\n" + "\n" + "0"; var doc = new TextDocument(text, TestCommon.UriMock); Assert.AreEqual("0123\n", doc.ExtractLine(0)); Assert.AreEqual("0123\n", doc.ExtractLine(1)); Assert.AreEqual("0123\n", doc.ExtractLine(4)); Assert.AreEqual("\n", doc.ExtractLine(5)); Assert.AreEqual("0", doc.ExtractLine(6)); }