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https://issues.apache.org/jira/browse/LUCENE-2554?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless updated LUCENE-2554:
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Attachment: LUCENE-2554.patch
Attached VERY rough patch.
Mosts tests pass but at least 2 don't.
I think the fixes to surrogates dance are close to correct. The new random
test (TestSurrogates) is good at finding bugs there...
The hack I have to forcefully use the test-only preflexrw codec needs to be
made more generic, so that we can randomly pick the default codec to use for
each test.
> preflex codec doesn't order terms correctly
> -------------------------------------------
>
> Key: LUCENE-2554
> URL: https://issues.apache.org/jira/browse/LUCENE-2554
> Project: Lucene - Java
> Issue Type: Test
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: 4.0
>
> Attachments: LUCENE-2554.patch
>
>
> The surrogate dance in the preflex codec (which must dynamically remap terms
> from UTF16 order to unicode code point order) is buggy.
> To better test it, I want to add a test-only codec, preflexrw, that is able
> to write indices in the pre-flex format. Then we should also fix tests to
> randomly pick codecs (including preflexrw) so we better test all of our
> codecs.
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