Add CarouselView memory leak test with default ItemsLayout

Co-authored-by: rmarinho <1235097+rmarinho@users.noreply.github.com>

Author: 2 people

src/Controls/tests/DeviceTests/Elements/CarouselView/CarouselViewTests.iOS.cs

@@ -1,7 +1,54 @@
-namespace Microsoft.Maui.DeviceTests
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Microsoft.Maui.Controls;
+using Microsoft.Maui.Controls.Handlers.Items2;
+using Microsoft.Maui.Handlers;
+using Xunit;
+
+namespace Microsoft.Maui.DeviceTests
 {
 	public partial class CarouselViewTests
 	{
+		[Fact(DisplayName = "CarouselView Does Not Leak With Default ItemsLayout")]
+		public async Task CarouselViewDoesNotLeakWithDefaultItemsLayout()
+		{
+			SetupBuilder();
+
+			WeakReference weakCarouselView = null;
+			WeakReference weakHandler = null;
+
+			await InvokeOnMainThreadAsync(async () =>
+			{
+				var carouselView = new CarouselView
+				{
+					ItemsSource = new List<string> { "Item 1", "Item 2", "Item 3" },
+					ItemTemplate = new DataTemplate(() => new Label())
+					// Note: Not setting ItemsLayout - using the default
+				};
+
+				weakCarouselView = new WeakReference(carouselView);
+
+				var handler = await CreateHandlerAsync<CarouselViewHandler2>(carouselView);
+				
+				// Verify handler is created
+				Assert.NotNull(handler);
+				
+				// Store weak reference to the handler
+				weakHandler = new WeakReference(handler);
+				
+				// Disconnect the handler
+				((IElementHandler)handler).DisconnectHandler();
+			});
+
+			// Force garbage collection
+			await AssertionExtensions.WaitForGC(weakCarouselView, weakHandler);
 
+			// Verify the CarouselView was collected
+			Assert.False(weakCarouselView.IsAlive, "CarouselView should have been garbage collected");
+			
+			// Verify the handler was collected
+			Assert.False(weakHandler.IsAlive, "CarouselViewHandler2 should have been garbage collected");
+		}
 	}
 }