dont track unknown props in buffer if ignoreAllUnknown is true

dhofftgt · dhofftgt · commit 7153dd1517a2 · 2021-03-17T09:33:45.000-05:00
diff --git a/src/main/java/com/fasterxml/jackson/databind/deser/BeanDeserializer.java b/src/main/java/com/fasterxml/jackson/databind/deser/BeanDeserializer.java
@@ -506,12 +506,15 @@ protected Object _deserializeUsingPropertyBased(final JsonParser p, final Deseri
                 }
                 continue;
             }
-            // Ok then, let's collect the whole field; name and value
-            if (unknown == null) {
-                unknown = new TokenBuffer(p, ctxt);
+
+            if(!_ignoreAllUnknown) {
+                // Ok then, let's collect the whole field; name and value
+                if (unknown == null) {
+                    unknown = new TokenBuffer(p, ctxt);
+                }
+                unknown.writeFieldName(propName);
+                unknown.copyCurrentStructure(p);
             }
-            unknown.writeFieldName(propName);
-            unknown.copyCurrentStructure(p);
         }
 
         // We hit END_OBJECT, so:

Original file line number	Diff line number	Diff line change
`@@ -506,12 +506,15 @@ protected Object _deserializeUsingPropertyBased(final JsonParser p, final Deseri`
`506`	`506`	`}`
`507`	`507`	`continue;`
`508`	`508`	`}`
`509`		`- // Ok then, let's collect the whole field; name and value`
`510`		`- if (unknown == null) {`
`511`		`- unknown = new TokenBuffer(p, ctxt);`
	`509`	`+`
	`510`	`+ if(!_ignoreAllUnknown) {`
	`511`	`+ // Ok then, let's collect the whole field; name and value`
	`512`	`+ if (unknown == null) {`
	`513`	`+ unknown = new TokenBuffer(p, ctxt);`
	`514`	`+ }`
	`515`	`+ unknown.writeFieldName(propName);`
	`516`	`+ unknown.copyCurrentStructure(p);`
`512`	`517`	`}`
`513`		`- unknown.writeFieldName(propName);`
`514`		`- unknown.copyCurrentStructure(p);`
`515`	`518`	`}`
`516`	`519`
`517`	`520`	`// We hit END_OBJECT, so:`