test: 补充单元测试

Author: ArgoZhang

test/UnitTest/Components/DynamicElementTest.cs

@@ -3,6 +3,8 @@
 // See the LICENSE file in the project root for more information.
 // Maintainer: Argo Zhang(argo@live.ca) Website: https://www.blazor.zone
 
+using Microsoft.AspNetCore.Components.Web;
+
 namespace UnitTest.Components;
 
 public class DynamicElementTest
@@ -18,4 +20,45 @@ public void Key_OK()
 
         Assert.Equal("<div></div>", cut.Markup);
     }
+
+    [Fact]
+    public void TouchEvents_Ok()
+    {
+        var context = new BunitContext();
+        TouchEventArgs? touchStartArgs = null;
+        TouchEventArgs? touchEndArgs = null;
+        var touchStartEventArgs = new TouchEventArgs
+        {
+            Touches = [new TouchPoint { ClientX = 10, ClientY = 20, ScreenX = 30, ScreenY = 40 }]
+        };
+        var touchEndEventArgs = new TouchEventArgs
+        {
+            ChangedTouches = [new TouchPoint { ClientX = 11, ClientY = 21, ScreenX = 31, ScreenY = 41 }]
+        };
+
+        var cut = context.Render<DynamicElement>(pb =>
+        {
+            pb.Add(a => a.TagName, "span");
+            pb.Add(a => a.TriggerTouchStart, true);
+            pb.Add(a => a.OnTouchStart, e =>
+            {
+                touchStartArgs = e;
+                return Task.CompletedTask;
+            });
+            pb.Add(a => a.TriggerTouchEnd, true);
+            pb.Add(a => a.OnTouchEnd, e =>
+            {
+                touchEndArgs = e;
+                return Task.CompletedTask;
+            });
+            pb.AddChildContent("Touch");
+        });
+
+        var element = cut.Find("span");
+        element.TriggerEvent("ontouchstart", touchStartEventArgs);
+        element.TriggerEvent("ontouchend", touchEndEventArgs);
+
+        Assert.Same(touchStartEventArgs, touchStartArgs);
+        Assert.Same(touchEndEventArgs, touchEndArgs);
+    }
 }