CharMappingItem item4 = new CharMappingItem(4L, inputs1, "different");

        // Same inputs and output should have same hash code
        assertEquals(item1.hashCode(), item2.hashCode());

        // Different inputs should have different hash code
        assertNotSame(item1.hashCode(), item3.hashCode());

        // Same inputs but different output should have different hash code

        ProtwordsItem item2 = new ProtwordsItem(2, "word");
        ProtwordsItem item3 = new ProtwordsItem(1, "different");

        // Same input should have same hashCode regardless of id
        assertEquals(item1.hashCode(), item2.hashCode());

        // Different input should have different hashCode
        assertNotSame(item1.hashCode(), item3.hashCode());

        // Consistent hashCode

        assertEquals(tag1.hashCode(), tag2.hashCode());

        // Different tag
        PrunedTag tagDifferentTag = new PrunedTag("span");
        tagDifferentTag.setId("test");
        tagDifferentTag.setCss("highlight");
        tagDifferentTag.setAttr("data-value", "123");
        assertFalse(tag1.equals(tagDifferentTag));

        // Different id
        PrunedTag tagDifferentId = new PrunedTag("div");

        StopwordsItem item4 = new StopwordsItem(1, "different");

        // Same input should have same hashCode regardless of id
        assertEquals(item1.hashCode(), item2.hashCode());
        assertEquals(item1.hashCode(), item3.hashCode());

        // Different input should have different hashCode
        assertNotSame(item1.hashCode(), item4.hashCode());
    }

    @Test

        assertNotNull(client1);
        assertNotNull(client2);
        assertNotSame(client1, client2);
    }

    // Test constructor with different thread context
    @Test
    public void test_constructorInDifferentThread() throws Exception {
        // Test that constructor works in different thread
        final CrawlerEngineClient[] clientHolder = new CrawlerEngineClient[1];
        final Exception[] exceptionHolder = new Exception[1];

        }
        super.tearDown(testInfo);
    }

    // Test creator initialization
    @Test
    public void test_creatorInitialization() {
        assertNotNull(creator);
    }

    // Test with different mail configurations
    @Test
    public void test_mailConfiguration() {
        FessConfig config = ComponentUtil.getFessConfig();

        assertEquals("Test Admin", config.getMailFromName());

        // Verify different cause types are handled
        assertEquals(npeCause, npeException.getCause());
        assertEquals(iseCause, iseException.getCause());
        assertEquals(oomCause, oomException.getCause());
    }

    @Test
    public void test_messageCodeWithPropertyKey() {
        // Setup - test message code with different property keys

experience performance degradation if they had been improperly allowing an
excessive amount of idle connections to linger; usually by setting
[Transport.MaxIdleConns] to `0` or using different [Client]s for different
requests, thereby bypassing [Transport.MaxIdleConns] limit. In these cases,
setting [Transport.DisableKeepAlives] to `true` will disable connection reuse.

            assertTrue(true);
        } catch (NullPointerException e) {
            // Expected if constructor validates input
            assertTrue(true);
        }
    }

    // Test with different time adjustments
    @Test
    public void test_withDifferentTimeAdjustments() {
        // Test zero adjustment
        FessConfig zeroConfig = new FessConfig.SimpleImpl() {

            assertNotNull(cryptographer);
            assertSame(oneWayCryptographer, cryptographer);
        }
    }

    // Test with different cipher types
    @Test
    public void test_withBlowfishCipher() {
        // Test with Blowfish cipher
        InvertibleCryptographer blowfish = InvertibleCryptographer.createBlowfishCipher("secretkey");