public async void StopAutoPageDisposal_ShouldNotDisposeWhenPopped()
{
// creating the test page/viewmodel
var page = new TestPage();
var testViewModel = new TestViewModel();
page.BindingContext = testViewModel;
// adding a main page to the navigation stack, because the root will not be popped
var navigation = new AutoNavigationPage(new Page());
//start the automatic disposal
navigation.StartAutoPageDisposal();
//push the test page onto the navigation stack
await navigation.PushAsync(page);
// stop the autmatic disposal
navigation.StopAutoPageDisposal();
//pop the test page from the navigation stack
await navigation.PopAsync();
// Assert that both page and viewmodel did not call their Dispose method.
Assert.False(testViewModel.IsDisposed);
Assert.False(page.IsDisposed);
}
public async void StartAutoPageDisposal_ShouldDisposeWhenRemoved()
{
// creating the test page/viewmodel
var page = new TestPage();
var testViewModel = new TestViewModel();
page.BindingContext = testViewModel;
// adding a main page to the navigation stack, because the root will not be popped
var navigation = new AutoNavigationPage(new Page());
//push the test page onto the navigation stack
await navigation.PushAsync(page);
//start the automatic disposal
navigation.StartAutoPageDisposal();
// remove the page
navigation.Navigation.RemovePage(page);
// Assert that both page and viewmodel called their Dispose methods.
Assert.True(testViewModel.IsDisposed);
Assert.True(page.IsDisposed);
}