Dario Bertini created GROOVY-7914:
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Summary: Comparison operator does not delegate to .equals() for
null
Key: GROOVY-7914
URL: https://issues.apache.org/jira/browse/GROOVY-7914
Project: Groovy
Issue Type: Bug
Reporter: Dario Bertini
This might be related to https://issues.apache.org/jira/browse/GROOVY-4526
supposedly a PR over there has been merged, but the bug is still flagged as
open (and indeed, I can locally reproduce it).
This one instead caused problems when handling org.json.JSONObject
That type uses its own internal JSONObject.Null class to represent null inside
json (which is useful to distinguish between keys being missing, and values
explicitly being set to null)
it overrides .equals(other) to check if the other object is null, but that
method is never invoked
basically:
JSONObject.NULL == null
false
JSONObject.NULL.equals(null)
true
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