jpountz commented on code in PR #12415:
URL: https://github.com/apache/lucene/pull/12415#discussion_r1276566623
##########
lucene/test-framework/src/java/org/apache/lucene/tests/search/QueryUtils.java:
##########
@@ -738,4 +740,66 @@ public void collect(int doc) throws IOException {
}
}
}
+
+ /**
+ * Check that counting hits through {@link DocIdStream#count()} yield the
same result as counting
+ * naively.
+ */
+ public static void checkCount(Query query, final IndexSearcher searcher)
throws IOException {
+ query = searcher.rewrite(query);
+ Weight weight = searcher.createWeight(query, ScoreMode.COMPLETE_NO_SCORES,
1);
+ for (LeafReaderContext context : searcher.getIndexReader().leaves()) {
+ BulkScorer scorer = weight.bulkScorer(context);
+ if (scorer == null) {
+ continue;
+ }
+ int[] expectedCount = {0};
+ boolean[] docIdStream = {false};
+ scorer.score(
+ new LeafCollector() {
+ @Override
+ public void collect(DocIdStream stream) throws IOException {
+ docIdStream[0] = true;
+ LeafCollector.super.collect(stream);
Review Comment:
Correct
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