@Test public void isInvalidNumberNotificationWhenInputInvalidNumber() { viewModel.setArraySize("aaaa"); assertEquals(viewModel.getNotification(), ViewModel.Notification.INVALID_NUMBER); }
@Test public void isEmptyNotificationWhenInputValidNumber() { viewModel.setArraySize("11"); assertEquals(viewModel.getNotification(), ViewModel.Notification.EMPTY_STRING); }
@Test public void isEmptyNotificationByDefault() { assertEquals(viewModel.getNotification(), ViewModel.Notification.EMPTY_STRING); }