assertEquals("検索 エンジン", item.getText());
        assertEquals(SuggestItem.Kind.QUERY, item.getKinds()[0]);
        assertEquals(10, item.getQueryFreq());
    }

    @Test
    public void test_parseSearchWordsWithExcludedWords() throws Exception {
        String[] words = new String[] { "　　　", "エンジン" }; // First word is whitespace only
        String[] fields = new String[] { "content" };