Added a unit test (#22361)

dotnet · May 13, 2024 · 9ef15d1 · 9ef15d1
1 parent 7e458ea
commit 9ef15d1
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Showing 2 changed files with 16 additions and 1 deletion.
diff --git a/src/Controls/src/Core/IndicatorView/IndicatorView.cs b/src/Controls/src/Core/IndicatorView/IndicatorView.cs
@@ -152,7 +152,7 @@ static void UpdateIndicatorLayout(IndicatorView indicatorView, object newValue)
 			{
 				indicatorView.IndicatorLayout = new IndicatorStackLayout(indicatorView) { Spacing = DefaultPadding };
 			}
-			else if (indicatorView.IndicatorLayout != null)
+			else if (indicatorView.IndicatorLayout is not null)
 			{
 				(indicatorView.IndicatorLayout as IndicatorStackLayout)?.Remove();
 				indicatorView.IndicatorLayout = null;

diff --git a/src/Controls/tests/Core.UnitTests/IndicatorViewLayoutTests.cs b/src/Controls/tests/Core.UnitTests/IndicatorViewLayoutTests.cs
@@ -50,5 +50,20 @@ public void IndicatorStackLayout_ResetIndicatorCount_ShouldBindChildren(int oldC
 			// Assert
 			Assert.Equal(expected, indicatorStackLayout.Children.Count);
 		}
+
+		[Fact]
+		public void IndicatorLayout_ShouldBeRemovedWhenIndicatorVTemplateIsNulled()
+		{
+			// Arrange
+			var indicatorView = new IndicatorView() { ItemsSource = new List<string> { "item1", "item2" } };
+			indicatorView.IndicatorTemplate = new DataTemplate();
+			Assert.NotNull(indicatorView.IndicatorLayout);
+
+			// Act
+			indicatorView.IndicatorTemplate = null;
+
+			//Assert
+			Assert.Null(indicatorView.IndicatorLayout);
+		}
 	}
 }