Minor test cleanup

Author: cowtowncoder

src/main/java/com/fasterxml/jackson/databind/deser/CreatorProperty.java

@@ -111,6 +111,9 @@ public CreatorProperty withName(PropertyName newName) {
 
     @Override
     public CreatorProperty withValueDeserializer(JsonDeserializer<?> deser) {
+        if (_valueDeserializer == deser) {
+            return this;
+        }
         return new CreatorProperty(this, deser);
     }
 

src/main/java/com/fasterxml/jackson/databind/deser/SettableBeanProperty.java

@@ -503,7 +503,7 @@ public final Object deserialize(JsonParser p, DeserializationContext ctxt) throw
         }
         return _valueDeserializer.deserialize(p, ctxt);
     }
-    
+
     /*
     /**********************************************************
     /* Helper methods

src/main/java/com/fasterxml/jackson/databind/deser/impl/FieldProperty.java

@@ -73,6 +73,9 @@ public FieldProperty withName(PropertyName newName) {
 
     @Override
     public FieldProperty withValueDeserializer(JsonDeserializer<?> deser) {
+        if (_valueDeserializer == deser) {
+            return this;
+        }
         return new FieldProperty(this, deser);
     }
 

src/main/java/com/fasterxml/jackson/databind/deser/impl/InnerClassProperty.java

@@ -81,6 +81,9 @@ public InnerClassProperty withName(PropertyName newName) {
 
     @Override
     public InnerClassProperty withValueDeserializer(JsonDeserializer<?> deser) {
+        if (_valueDeserializer == deser) {
+            return this;
+        }
         return new InnerClassProperty(this, deser);
     }
 

src/main/java/com/fasterxml/jackson/databind/deser/impl/ManagedReferenceProperty.java

@@ -69,6 +69,9 @@ public ManagedReferenceProperty withName(PropertyName newName) {
 
     @Override
     public ManagedReferenceProperty withValueDeserializer(JsonDeserializer<?> deser) {
+        if (_valueDeserializer == deser) {
+            return this;
+        }
         return new ManagedReferenceProperty(this, deser);
     }
 

src/main/java/com/fasterxml/jackson/databind/deser/impl/MethodProperty.java

@@ -66,6 +66,9 @@ public MethodProperty withName(PropertyName newName) {
 
     @Override
     public MethodProperty withValueDeserializer(JsonDeserializer<?> deser) {
+        if (_valueDeserializer == deser) {
+            return this;
+        }
         return new MethodProperty(this, deser);
     }
 

src/main/java/com/fasterxml/jackson/databind/deser/impl/ObjectIdReferenceProperty.java

@@ -40,6 +40,9 @@ public ObjectIdReferenceProperty(ObjectIdReferenceProperty src, PropertyName new
 
     @Override
     public SettableBeanProperty withValueDeserializer(JsonDeserializer<?> deser) {
+        if (_valueDeserializer == deser) {
+            return this;
+        }
         return new ObjectIdReferenceProperty(this, deser);
     }
 

src/main/java/com/fasterxml/jackson/databind/deser/impl/ObjectIdValueProperty.java

@@ -47,6 +47,9 @@ public ObjectIdValueProperty withName(PropertyName newName) {
 
     @Override
     public ObjectIdValueProperty withValueDeserializer(JsonDeserializer<?> deser) {
+        if (_valueDeserializer == deser) {
+            return this;
+        }
         return new ObjectIdValueProperty(this, deser);
     }
 

src/main/java/com/fasterxml/jackson/databind/deser/impl/SetterlessProperty.java

@@ -59,6 +59,9 @@ public SetterlessProperty withName(PropertyName newName) {
 
     @Override
     public SetterlessProperty withValueDeserializer(JsonDeserializer<?> deser) {
+        if (_valueDeserializer == deser) {
+            return this;
+        }
         return new SetterlessProperty(this, deser);
     }
 

src/test/java/com/fasterxml/jackson/databind/convert/ConvertingAbstractSerializer795Test.java

@@ -65,6 +65,12 @@ public static class NonAbstractCustomTypeUser {
         }
     }
 
+    /*
+    /**********************************************************
+    /* Test methods
+    /**********************************************************
+     */
+
     private static final ObjectMapper JSON_MAPPER = new ObjectMapper();
 
     public void testAbstractTypeDeserialization() throws Exception {