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cowtowncoder · cowtowncoder · commit ba8683f5c04d · 2022-05-06T19:15:28.000-07:00
diff --git a/src/test/java/com/fasterxml/jackson/databind/ser/filter/JsonIncludeCustomTest.java b/src/test/java/com/fasterxml/jackson/databind/ser/filter/JsonIncludeCustomTest.java
@@ -118,6 +118,10 @@ public void testRepeatedCalls() throws Exception
 
         // but beyond initial extra call, as expected
         assertEquals(3, CountingFooFilter.counter.get());
+
+        // except filter will NOT be called again for `null`s, as per [databind#3481]
+        assertEquals(a2q("{'value':null}"), MAPPER.writeValueAsString(new CountingFooBean(null)));
+        assertEquals(3, CountingFooFilter.counter.get());
     }
 
     /*

Original file line number	Diff line number	Diff line change
`@@ -118,6 +118,10 @@ public void testRepeatedCalls() throws Exception`
`118`	`118`
`119`	`119`	`// but beyond initial extra call, as expected`
`120`	`120`	`assertEquals(3, CountingFooFilter.counter.get());`
	`121`	`+`
	`122`	+ // except filter will NOT be called again for `null`s, as per [databind#3481]
	`123`	`+ assertEquals(a2q("{'value':null}"), MAPPER.writeValueAsString(new CountingFooBean(null)));`
	`124`	`+ assertEquals(3, CountingFooFilter.counter.get());`
`121`	`125`	`}`
`122`	`126`
`123`	`127`	`/*`