maui-linux/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issu.../Issue7338.cs

71 строка
1.5 KiB
C#

using System;
using System.Collections.Generic;
using Xamarin.Forms.CustomAttributes;
using Xamarin.Forms.Internals;
#if UITEST
using Xamarin.Forms.Core.UITests;
using Xamarin.UITest;
using NUnit.Framework;
#endif
namespace Xamarin.Forms.Controls.Issues
{
#if UITEST
[Category(UITestCategories.CollectionView)]
#endif
[Preserve(AllMembers = true)]
[Issue(IssueTracker.Github, 7338, "[Bug] CollectionView crash if source is empty in XF 4.2.0.709249",
PlatformAffected.iOS)]
class Issue7338 : TestNavigationPage
{
const string Success = "success";
protected override void Init()
{
PushAsync(CreateRoot());
}
Page CreateRoot()
{
var page = new ContentPage() { Title = "Issue7338" };
var instructions = new Label { AutomationId = Success, Text = "If you can see this label, the test has passed." };
var layout = new StackLayout();
var cv = new CollectionView
{
ItemsLayout = new GridItemsLayout(orientation: ItemsLayoutOrientation.Horizontal),
ItemTemplate = new DataTemplate(() =>
{
return Template();
})
};
layout.Children.Add(instructions);
layout.Children.Add(cv);
page.Content = layout;
return page;
}
View Template()
{
var label1 = new Label { Text = "Text", HeightRequest = 100 };
return label1;
}
#if UITEST
[Test]
public void EmptyHorizontalCollectionShouldNotCrash()
{
// If the instructions are visible at all, then this has succeeded
RunningApp.WaitForElement(Success);
}
#endif
}
}