From cea90a643cc4cd7167d79f5016623b88a1521dbf Mon Sep 17 00:00:00 2001
From: Dan Siegel <me@dansiegel.net>
Date: Sat, 28 Oct 2023 20:06:30 -0600
Subject: [PATCH] test: adding test to ensure Exception is handled once

---
 .../Commands/AsyncDelegateCommandFixture.cs            | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tests/Prism.Core.Tests/Commands/AsyncDelegateCommandFixture.cs b/tests/Prism.Core.Tests/Commands/AsyncDelegateCommandFixture.cs
index 99cda221a3..ff1ef506f8 100644
--- 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);
+    }
 }