Reenabled ReturnsNonEmptyNativeBoundingBox tests on Windows (#20238)

src/Core/tests/DeviceTests.Shared/HandlerTests/HandlerTestBaseOfT.Tests.cs

@@ -264,11 +264,7 @@ public async Task ReturnsNonEmptyPlatformViewBounds(int size)
 			Assert.NotEqual(platformViewBounds, new Graphics.Rect());
 		}
 
-		[Theory(DisplayName = "Native View Bounding Box is not empty"
-#if WINDOWS
-			, Skip = "https://github.com/dotnet/maui/issues/9054"
-#endif
-		)]
+		[Theory(DisplayName = "Native View Bounding Box is not empty")]
 		[InlineData(1)]
 		[InlineData(100)]
 		[InlineData(1000)]
@@ -306,6 +302,12 @@ public virtual async Task ReturnsNonEmptyNativeBoundingBox(int size)
 			{
 				// https://github.com/dotnet/maui/issues/11020
 			}
+#endif
+#if WINDOWS
+			else if (view is IContentView)
+			{
+				// https://github.com/dotnet/maui/issues/20228
+			}
 #endif
 			else if (view is IProgress)
 			{

src/Core/tests/DeviceTests/Handlers/DatePicker/DatePickerHandlerTests.Windows.cs

@@ -9,6 +9,28 @@ namespace Microsoft.Maui.DeviceTests
 {
 	public partial class DatePickerHandlerTests
 	{
+		[Theory(DisplayName = "Native View Bounding Box is not empty")]
+		[InlineData(1)]
+		[InlineData(100)]
+		[InlineData(1000)]
+		public override async Task ReturnsNonEmptyNativeBoundingBox(int size)
+		{
+			var datePicker = new DatePickerStub()
+			{
+				Height = size,
+				Width = size,
+				Date = DateTime.Today,
+				MinimumDate = DateTime.Today.AddDays(-1),
+				MaximumDate = DateTime.Today.AddDays(1)
+			};
+
+			var nativeBoundingBox = await GetValueAsync(datePicker, handler => GetBoundingBox(handler));
+			Assert.NotEqual(nativeBoundingBox, Rect.Zero);
+
+			var expectedSize = new Size(size, size);
+			AssertWithinTolerance(expectedSize, nativeBoundingBox.Size);
+		}
+
 		[Fact]
 		public override async Task DisconnectHandlerDoesntCrash()
 		{