public async Task TestPopToRoot(bool useMaui)
{
var nav = new TestNavigationPage(useMaui);
bool signaled = false;
nav.PoppedToRoot += (sender, args) => signaled = true;
var root = new ContentPage {
Content = new View()
};
var child1 = new ContentPage {
Content = new View()
};
var child2 = new ContentPage {
Content = new View()
};
await nav.PushAsync(root);
await nav.PushAsync(child1);
await nav.PushAsync(child2);
await nav.PopToRootAsync();
Assert.True(signaled);
Assert.AreSame(root, nav.RootPage);
Assert.AreSame(root, nav.CurrentPage);
Assert.AreSame(nav.RootPage, nav.CurrentPage);
}
public async Task TestPopToRootEventArgs(bool useMaui)
{
var nav = new TestNavigationPage(useMaui);
List <Page> poppedChildren = null;
nav.PoppedToRoot += (sender, args) => poppedChildren = (args as PoppedToRootEventArgs).PoppedPages.ToList();
var root = new ContentPage {
Content = new View()
};
var child1 = new ContentPage {
Content = new View()
};
var child2 = new ContentPage {
Content = new View()
};
await nav.PushAsync(root);
await nav.PushAsync(child1);
await nav.PushAsync(child2);
await nav.PopToRootAsync();
Assert.IsNotNull(poppedChildren);
Assert.AreEqual(2, poppedChildren.Count);
Assert.Contains(child1, poppedChildren);
Assert.Contains(child2, poppedChildren);
Assert.AreSame(root, nav.RootPage);
Assert.AreSame(root, nav.CurrentPage);
Assert.AreSame(nav.RootPage, nav.CurrentPage);
}
public async Task NavigationPagePopToRoot(bool useMaui)
{
var firstPage = new LCPage();
var poppedPage = new LCPage();
NavigationPage navigationPage = new TestNavigationPage(useMaui, firstPage);
await navigationPage.PushAsync(new ContentPage());
await navigationPage.PushAsync(new ContentPage());
await navigationPage.PushAsync(poppedPage);
await navigationPage.PopToRootAsync();
Assert.IsNotNull(poppedPage.NavigatingFromArgs);
Assert.AreEqual(poppedPage, firstPage.NavigatedToArgs.PreviousPage);
Assert.AreEqual(firstPage, poppedPage.NavigatedFromArgs.DestinationPage);
}
