assertNotNull(results);
        }
    }

    /**
     * Test with searcher that returns empty results.
     */
    @Test
    public void test_searcherReturnsNoResults() throws Exception {
        try (RankFusionProcessor processor = new RankFusionProcessor()) {
            processor.setSearcher(new TestSearcher(0)); // No documents
            processor.init();

Shinsuke Sugaya <******@****.***> 1768120985 +0900