test: adding test to ensure Exception is handled once

PrismLibrary · Oct 29, 2023 · cea90a6 · cea90a6
1 parent a95a91e
commit cea90a6
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/tests/Prism.Core.Tests/Commands/AsyncDelegateCommandFixture.cs b/tests/Prism.Core.Tests/Commands/AsyncDelegateCommandFixture.cs
@@ -132,4 +132,14 @@ public async Task ICommandExecute_UsesDefaultTokenSourceFactory()
 
         Assert.False(command.IsExecuting);
     }
+
+    [Fact]
+    public void ICommandExecute_HandlesErrorOnce()
+    {
+        var handled = 0;
+        ICommand command = new AsyncDelegateCommand<string>(str => throw new System.Exception("Test"))
+            .Catch(ex => handled++);
+        command.Execute(string.Empty);
+        Assert.Equal(1, handled);
+    }
 }