msfroh commented on code in PR #13028:
URL: https://github.com/apache/lucene/pull/13028#discussion_r1462133413
##########
lucene/facet/src/test/org/apache/lucene/facet/taxonomy/directory/TestTaxonomyIndexArrays.java:
##########
@@ -59,4 +64,22 @@ public void testMultiplesOfChunkSize() {
ordinal = newOrdinal;
}
}
+
+ public void testConstructFromEmptyIndex() throws IOException {
+ Directory dir = newDirectory();
+
+ // Produce empty index
+ new IndexWriter(dir, newIndexWriterConfig(null)).close();
+
+ IndexReader reader = DirectoryReader.open(dir);
+
+ TaxonomyIndexArrays tia = new TaxonomyIndexArrays(reader);
+ assertEquals(0, tia.parents().length());
Review Comment:
Oh -- interesting. I didn't realize this was a valid use-case.
If you open a TaxonomyWriter, you're currently guaranteed to get at least
one (root) document.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org
For additional commands, e-mail: issues-h...@lucene.apache.org
