public void List() { FTPHelper.Clear(_Storage); using (var file = File.OpenRead("userMgr.ico")) { _Storage.SaveFile(file, "ico", null, $"newAdd_1"); _Storage.SaveFile(file, "ico", null, $"newAdd_2"); _Storage.SaveFile(file, "ico", null, $"newAdd_3"); } var strs = FTPHelper.ListFile(_Storage); Assert.AreEqual(3, strs.Length); foreach (var name in strs) { Assert.IsTrue(name.StartsWith("newAdd_")); Assert.IsTrue(name.EndsWith(".ico")); } Assert.Pass(); }