Add unit test

dorssel · Sep 4, 2024 · 0e9938a · 0e9938a
1 parent ed0301a
commit 0e9938a
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/UnitTests/Automation_Tests.cs b/UnitTests/Automation_Tests.cs
@@ -334,4 +334,15 @@ public void JsonConverterIPAddress_Write_NullWriter()
         });
     }
 
+    [TestMethod]
+    public void JsonConverterIPAddress_Write_NullValue()
+    {
+        using var memoryStream = new MemoryStream();
+        using var writer = new Utf8JsonWriter(memoryStream, new() { SkipValidation = true });
+        var converter = new JsonConverterIPAddress();
+        Assert.ThrowsException<ArgumentNullException>(() =>
+        {
+            converter.Write(writer, null!, JsonSerializerOptions.Default);
+        });
+    }
 }