assertEquals(longId.toString(), testRule.getRuleId());

        // Special characters in rule ID
        testRule.setRuleId("rule-id_with.special@chars#123");
        assertEquals("rule-id_with.special@chars#123", testRule.getRuleId());

        // Unicode characters
        testRule.setRuleId("ルール日本語");
        assertEquals("ルール日本語", testRule.getRuleId());

        // Whitespace

        assertNotNull(results);
    }

    @Test
    public void testConvertWithSpecialCharacters() throws IOException {
        // Test convert with special characters
        String text = "test@#$%123";
        String field = "content";

        List<String> results = converter.convert(text, field, "en");

        assertNotNull(results);
    }

    @Test

				"application/vnd.liberty-request+xml",
				"application/vnd.llamagraphics.life-balance.desktop",
				"application/vnd.llamagraphics.life-balance.exchange+xml",
				"application/vnd.lotus-1-2-3",
				"application/vnd.lotus-approach",
				"application/vnd.lotus-freelance",
				"application/vnd.lotus-notes",
				"application/vnd.lotus-organizer",
				"application/vnd.lotus-screencam",

        crawlerContext.setSessionId("");
        assertEquals("", crawlerContext.getSessionId());

        // Test with special characters
        crawlerContext.setSessionId("session-with-特殊文字-#123");
        assertEquals("session-with-特殊文字-#123", crawlerContext.getSessionId());
    }

    /**
     * Test activeThreadCount getter and setter
     */
    public void test_activeThreadCount() {

        assertNotNull(tokens);
        assertEquals(4, tokens.size()); // Our simple tokenizer splits on '.' so 456.789 becomes 456 and 789
        assertEquals("123", tokens.get(0).getTerm());
        assertEquals("456", tokens.get(1).getTerm());
        assertEquals("0xFF", tokens.get(2).getTerm());
        assertEquals("3", tokens.get(3).getTerm());
    }

    @Test

    }

    @Test(expected = IllegalArgumentException.class)
    public void testGetAsListWithInvalidType() {
        // Test with invalid type (should throw exception)
        SuggestUtil.getAsList(123);
    }

    @Test
    public void testDeleteByQuery() {
        // Create test data
        client.prepareIndex().setIndex(TEST_INDEX).setId("1").setSource("field", "value1").execute().actionGet();