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using System;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using Xamarin.Forms.CustomAttributes;
using Xamarin.Forms.Internals;
#if UITEST
using NUnit.Framework;
using Xamarin.UITest;
#endif
namespace Xamarin.Forms.Controls.Issues
{
[Preserve (AllMembers = true)]
[Issue (IssueTracker.Github, 417, "Navigation.PopToRootAsync does nothing", PlatformAffected.Android)]
public class Issue417 : TestNavigationPage
{
public static NavigationPage NavRoot;
protected override void Init ()
{
Navigation.PushAsync (new FirstPage ());
NavRoot = this;
}
public class FirstPage : ContentPage
{
public FirstPage ()
{
Title = "First Page";
BackgroundColor = Color.Black;
var nextPageBtn = new Button {
Text = "Next Page"
};
nextPageBtn.Clicked += (s, e) => NavRoot.Navigation.PushAsync (new NextPage ());
Content = nextPageBtn;
}
}
public class NextPage : ContentPage
{
public NextPage ()
{
Title = "Second Page";
var nextPage2Btn = new Button {
Text = "Next Page 2"
};
nextPage2Btn.Clicked += (s, e) => NavRoot.Navigation.PushAsync (new NextPage2 ());
BackgroundColor = Color.Black;
Content = nextPage2Btn;
}
}
public class NextPage2 : ContentPage
{
public NextPage2 ()
{
Title = "Third Page";
var popToRootButton = new Button {
Text = "Pop to root"
};
popToRootButton.Clicked += (s, e) => NavRoot.PopToRootAsync ();
BackgroundColor = Color.Black;
Content = popToRootButton;
}
}
#if UITEST
[Test]
[UiTest (typeof(NavigationPage), "PopToRootAsync")]
public void Issue417TestsNavigateAndPopToRoot ()
{
RunningApp.WaitForElement (q => q.Marked ("First Page"));
RunningApp.WaitForElement (q => q.Button ("Next Page"));
RunningApp.Screenshot ("All elements present");
RunningApp.Tap (q => q.Button ("Next Page"));
RunningApp.WaitForElement (q => q.Marked ("Second Page"));
RunningApp.WaitForElement (q => q.Button ("Next Page 2"));
RunningApp.Screenshot ("At second page");
RunningApp.Tap (q => q.Button ("Next Page 2"));
RunningApp.WaitForElement (q => q.Marked ("Third Page"));
RunningApp.WaitForElement (q => q.Button ("Pop to root"));
RunningApp.Screenshot ("At third page");
RunningApp.Tap (q => q.Button ("Pop to root"));
RunningApp.WaitForElement (q => q.Marked ("First Page"));
RunningApp.WaitForElement (q => q.Button ("Next Page"));
RunningApp.Screenshot ("All elements present");
RunningApp.Screenshot ("Popped to root");
}
#endif
}
}
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