public void WriteAndReadArguments() { // Setup Bookmark bookmark = new Bookmark(false, 1, _state, _screen); // Act _history.AddBookmark(100, bookmark); _history.AddBookmark(200, bookmark); _mockFile.Clear(); _file.WriteHistory("Test"); _fileInfo = MachineFile.Read(_mockFile); // Verify Assert.AreEqual(1, _mockFile.Lines.Count(line => line.StartsWith("args:"))); Assert.Zero(_mockFile.Lines.Count(line => line.StartsWith("arg:"))); Assert.True(HistoriesEqual(_fileInfo.History, _history)); }