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using System;
using System.Collections.Generic;
using System.Linq;
using Xamarin.Forms.CustomAttributes;
using Xamarin.Forms.Internals;
#if UITEST
using Xamarin.UITest;
using NUnit.Framework;
#endif
namespace Xamarin.Forms.Controls.Issues
{
[Preserve(AllMembers = true)]
[Issue(IssueTracker.None, 0, "Object Disposed Exception in ScrollViewContainer", PlatformAffected.Android)]
public class ScrollViewObjectDisposed : TestContentPage
{
const string Instructions = "Tap the button. If the app does not crash and the red label displays \"Success\", this test has passed.";
const string Success = "Success";
const string TestButtonId = "TestButtonId";
Label _status = new Label() { Text = "Test is running...", BackgroundColor = Color.Red, TextColor = Color.White };
ScrollView _scroll = new ScrollView();
protected override void Init()
{
_scroll.Content = _status;
InitTest();
}
void InitTest()
{
Button nextButton = new Button { Text = "Next", AutomationId = TestButtonId };
nextButton.Clicked += NextButton_Clicked;
StackLayout stack = new StackLayout
{
Children = { new Label { Text = Instructions }, _scroll, nextButton }
};
Content = stack;
}
void NextButton_Clicked(object sender, EventArgs e)
{
_status.Text = "";
InitTest();
_status.Text = Success;
}
#if UITEST
[Test]
public void ScrollViewObjectDisposedTest ()
{
RunningApp.Tap(q => q.Marked(TestButtonId));
RunningApp.WaitForElement(q => q.Marked(Success));
}
#endif
}
}
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