public static String CreateNewFile(String longPathDirectory) { var tempLongPathFilename = CreateNewEmptyFile(longPathDirectory); using (var streamWriter = File.AppendText(tempLongPathFilename)) { streamWriter.WriteLine("beginning of file"); } return(tempLongPathFilename); }
public void TestAppendText() { string filename = Util.CreateNewFile(longPathDirectory); try { using (var sw = File.AppendText(filename)) { sw.WriteLine("end of file"); } var lines = File.ReadLines(filename); Assert.IsTrue(new[] { "beginning of file", "end of file" }.SequenceEqual(lines)); } finally { File.Delete(filename); } }