rmuir closed issue #14224: TestOperations.testGetRandomAcceptedString failing
URL: https://github.com/apache/lucene/issues/14224
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rmuir commented on issue #14224:
URL: https://github.com/apache/lucene/issues/14224#issuecomment-2655012824
This one was simpler, it is just a case where you should be getting a
parsing error: https://github.com/apache/lucene/pull/14227
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rmuir commented on issue #14224:
URL: https://github.com/apache/lucene/issues/14224#issuecomment-2654406157
i think a test against old parser should show it. maybe it indirectly did
the `peek()`s and `match()`s differently in the case of no content within a
`[]`, and didnt try to parse it
rmuir commented on issue #14224:
URL: https://github.com/apache/lucene/issues/14224#issuecomment-2654396301
I see `[]` in the regexp which matches no possible characters, so it creates
Automata.makeEmpty(). Concatenation of empty with anything else returns empty,
so that's why the test fail
benwtrent commented on issue #14224:
URL: https://github.com/apache/lucene/issues/14224#issuecomment-2654393417
Thanks @rmuir !
I really don't know if it's a test data failure or something interesting
actually broke.
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rmuir commented on issue #14224:
URL: https://github.com/apache/lucene/issues/14224#issuecomment-2654392511
I can reproduce it, thanks! My concern is around the `[]`, this is an empty
"character class", maybe unlucky result from the RNG? Otherwise when 'empty'
logic is wrong, usually you kn
rmuir commented on issue #14224:
URL: https://github.com/apache/lucene/issues/14224#issuecomment-2654370971
@benwtrent I can look tonight
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benwtrent commented on issue #14224:
URL: https://github.com/apache/lucene/issues/14224#issuecomment-2654345727
Here is the regex string that creates the empty operations:
```
regex str: (\?){1,}\½(\]){1,}\(\]){1,}((\Ř)*){1,}[]"ᖴﴁ".
```
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