@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);
}
