import 'package:flutter_test/flutter_test.dart'; import 'package:get_storage/get_storage.dart'; void main() { final counter = 'counter'; final isDarkMode = 'isDarkMode'; GetStorage box = GetStorage(); test('GetStorage read and write operation', () { box.write(counter, 0); expect(box.read(counter), 0); }); test('save the state of brightness mode of app in GetStorage', () { box.write(isDarkMode, true); expect(box.read(isDarkMode), true); }); }