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using Xamarin.Forms.CustomAttributes;
using Xamarin.Forms.Internals;
using System.ComponentModel;
using System.Runtime.CompilerServices;
using System.Windows.Input;
#if UITEST
using Xamarin.UITest;
using NUnit.Framework;
#endif
namespace Xamarin.Forms.Controls.Issues
{
[Preserve(AllMembers = true)]
[Issue(IssueTracker.Bugzilla, 41153, "jobject must not be IntPtr.Zero with TabbedPage and ToolbarItems")]
public class Bugzilla41153 : TestTabbedPage
{
MyViewModel _Vm = new MyViewModel();
const string Tab1 = "Tab 1";
const string Tab1Content = "On Tab 1";
const string Tab2 = "Tab 2";
const string Tab3 = "Tab 3";
const string Tab3Content = "On Tab 3";
const string ToolbarItemText = "Toolbar Item";
const string Success = "Success";
[Preserve(AllMembers = true)]
class MyViewModel : INotifyPropertyChanged
{
string _toolBarItemText;
public string ToolbarItemText
{
get
{
return _toolBarItemText;
}
set
{
_toolBarItemText = value;
OnPropertyChanged();
}
}
ICommand _toolBarItemCommand;
public ICommand ToolbarItemCommand
{
get
{
if (_toolBarItemCommand == null)
{
_toolBarItemCommand = new Command(() =>
{
ToolbarItemText = Success;
});
}
return _toolBarItemCommand;
}
}
public event PropertyChangedEventHandler PropertyChanged;
protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
{
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
}
}
protected override void Init()
{
var page1 = new ContentPage { Content = new Label { Text = Tab1Content }, BindingContext = _Vm };
var toolBarItem = new ToolbarItem();
toolBarItem.SetBinding(ToolbarItem.CommandProperty, nameof(MyViewModel.ToolbarItemCommand));
toolBarItem.SetBinding(ToolbarItem.TextProperty, nameof(MyViewModel.ToolbarItemText));
page1.ToolbarItems.Add(toolBarItem);
var page2 = new ContentPage();
var page3 = new ContentPage { Content = new Label { Text = Tab3Content } };
Children.Add(new NavigationPage(page1) { Title = Tab1 });
Children.Add(new NavigationPage(page2) { Title = Tab2 });
Children.Add(new NavigationPage(page3) { Title = Tab3 });
_Vm.ToolbarItemText = ToolbarItemText;
}
#if UITEST
[Test]
public void Bugzilla41153Test()
{
RunningApp.WaitForElement(q => q.Marked(Tab1Content));
RunningApp.Tap(q => q.Marked(Tab2));
RunningApp.Tap(q => q.Marked(Tab3));
RunningApp.WaitForElement(q => q.Marked(Tab3Content));
RunningApp.Tap(q => q.Marked(Tab1));
RunningApp.WaitForElement(q => q.Marked(Tab1Content));
RunningApp.Tap(q => q.Marked(ToolbarItemText));
RunningApp.WaitForElement(q => q.Marked(Success));
}
#endif
}
}
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