String floatValue = fessConfig.get(floatKey);
            assertEquals("45.67", floatValue);
        } finally {
            System.clearProperty(Constants.FESS_CONFIG_PREFIX + intKey);
            System.clearProperty(Constants.FESS_CONFIG_PREFIX + floatKey);
        }
    }

    // Test getting boolean configuration values
    public void test_get_booleanValues() {

        assertTrue(cmdList.contains("-Dapp.module.feature2=disabled"));

        // Clean up
        System.clearProperty("app.module.feature1");
        System.clearProperty("app.module.feature2");
        System.clearProperty("app.service.api");
        System.clearProperty("config.app.module");
    }

    // Test invalid regex in custom properties
    public void test_customProperties_invalidRegex() {

        }
        // Clear system properties that might affect the test
        System.clearProperty("jcifs.properties");
        System.clearProperty("java.protocol.handler.pkgs");
        // Clear jcifs-specific properties to prevent test interference
        System.clearProperty("jcifs.smb.client.nativeOs");
        System.clearProperty("jcifs.smb.client.nativeLanMan");
    }

    @Test

            assertEquals(customDir.getAbsolutePath(), manager.baseDir.getAbsolutePath());
            assertTrue(customDir.exists());
            manager.destroy();
        } finally {
            System.clearProperty(Constants.FESS_THUMBNAIL_PATH);
        }
    }

    // Test initialization with var path
    public void test_init_withVarPath() {
        File varDir = new File(tempDir, "var");

        try {
            suggestJob.executeSuggestCreator();
        } catch (Exception e) {
            // May fail in test environment
        } finally {
            System.clearProperty("os.name");
        }

        List<String> cmdList = mockProcessHelper.getLastCommandList();
        if (cmdList != null && cmdList.size() > 0) {

        } finally {
            // Cleanup
            if (originalValue != null) {
                System.setProperty("jcifs.smb.client.domain", originalValue);
            } else {
                System.clearProperty("jcifs.smb.client.domain");
            }
        }
    }

    }

    @AfterEach
    public void tearDown() throws IOException {
        if (manager != null) {
            manager.shutdown();
        }

        // Clean up system property
        System.clearProperty("jcifs.smb.client.handleStateDirectory");

        // Clean up temp directory
        if (tempDir != null && Files.exists(tempDir)) {
            Files.walk(tempDir)

        // This test verifies that when the system property is null, the handler
        // falls back to using default handlers without throwing NullPointerException.
        System.clearProperty("java.protocol.handler.pkgs");
        setupMockProtocolHandlers();
        URL url = new URL("http://example.com/resource");

        URLConnection connection = handler.openConnection(url);

        // Restore original property
        if (originalLmCompatibility != null) {
            jcifs.smb1.Config.setProperty("jcifs.smb1.smb.lmCompatibility", originalLmCompatibility);
        } else {
            System.clearProperty("jcifs.smb1.smb.lmCompatibility");
        }
    }

    // Test constructor with domain, username, and password
    @Test
    void testConstructorWithDomainUsernamePassword() {

        } finally {
            if (originalValue != null) {
                System.setProperty(FesenClient.HTTP_ADDRESS, originalValue);
            } else {
                System.clearProperty(FesenClient.HTTP_ADDRESS);
            }
        }
    }

    // Test destroy container
    public void test_destroyContainer() {