assertTrue(laterAge >= 200, "Age should increase after delay");
    }

    @Test
    public void testKeyAgeNonExistent() {
        assertEquals(-1, keyManager.getKeyAge("non-existent"), "Non-existent key should return -1 for age");
    }

    @Test
    public void testConfigureKeyRotation() {
        // Test that configuration doesn't throw
        keyManager.configureKeyRotation(60000);

        }
    }

    // Test getScriptEngine with non-existent name
    public void test_getScriptEngine_nonExistentName() {
        try {
            scriptEngineFactory.getScriptEngine("nonexistent");
            fail("Should throw ScriptEngineException for non-existent engine");
        } catch (ScriptEngineException e) {

        assertEquals("script for engine2", engine2.getLastScript());
    }

    public void test_execute_withInvalidScriptType() {
        // Try to execute with non-existent script type
        try {
            scriptExecutor.execute("nonexistent", "some script");
            fail("Expected ScriptEngineException");
        } catch (ScriptEngineException e) {

            }
        }
    }

    public void test_init_withNonExistentSSLCertificate() {
        setupMockConfig("localhost:9200", "", "", "/non/existent/cert.crt");

        curlHelper.init();

        // Should handle non-existent certificate gracefully
        SSLSocketFactory sslSocketFactory = getSSLSocketFactory(curlHelper);
        assertNull(sslSocketFactory);
    }

    }

    public void test_getObject_nonExistentKey() {
        // Test getObject with non-existent key
        Object result = WebApiUtil.getObject("nonExistentKey");
        assertNull("getObject should return null for non-existent key", result);
    }

    public void test_setError_withMessage_noRequest() {
        // Test setError with message when no HTTP request is available

        tempFile = new File(Curl.tmpDir, "non-existent-file.tmp");
        assertFalse(tempFile.exists());

        ContentCache cache = new ContentCache(tempFile);

        // Should throw IOException when file doesn't exist
        try {
            cache.close();
            fail("Expected IOException for non-existent file");
        } catch (IOException e) {

    // Test property not found exception
    public void test_propertyNotFound() {
        try {
            fessConfig.get("non.existent.property");
            fail("Should throw ConfigPropertyNotFoundException");
        } catch (ConfigPropertyNotFoundException e) {
            assertEquals("non.existent.property", e.getMessage());
        }
    }

    // Test isExtensionAllowed method
    /*

        assertFalse(file.exists(), "Non-existent file should not exist");
        assertThrows(SmbException.class, () -> file.length(), "Getting length of non-existent file should throw exception");
        assertThrows(SmbException.class, () -> file.getInputStream(), "Getting input stream of non-existent file should throw exception");
    }

    @Test

            manager.destroy();
        } finally {
            System.clearProperty(Constants.FESS_VAR_PATH);
        }
    }

    // Test initialization with non-existent directory
    public void test_init_nonExistentDirectory() {
        ThumbnailManager manager = new ThumbnailManager() {
            @Override
            public void init() {

        assertEquals("12.2.0", result.getVersion());
    }

    public void test_getArtifact_notFound() {
        Artifact result = pluginHelper.getArtifact("non-existent", "1.0.0");
        assertNull(result);
    }

    public void test_getArtifact_nullInputs() {
        assertNull(pluginHelper.getArtifact(null, "1.0.0"));