// Test creating multiple exceptions with different status codes
        WebApiException exception1 = new WebApiException(400, "Bad Request");
        WebApiException exception2 = new WebApiException(401, "Unauthorized");
        WebApiException exception3 = new WebApiException(500, "Internal Error");

        assertEquals(400, exception1.getStatusCode());

    }

    @Test
    public void test_setFessConfig_notNull() {
        FessConfig mockConfig = new FessConfig.SimpleImpl();
        ComponentUtil.setFessConfig(mockConfig);
        assertSame(mockConfig, ComponentUtil.getFessConfig());
    }

    @Test
    public void test_getFessConfig_cached() {
        FessConfig mockConfig = new FessConfig.SimpleImpl();
        ComponentUtil.setFessConfig(mockConfig);

    }

    @Test
    public void test_multiLevelCause() {
        // Test with nested exceptions
        Throwable rootCause = new IllegalStateException("Root problem");
        Throwable intermediateCause = new RuntimeException("Intermediate problem", rootCause);
        GsaConfigException exception = new GsaConfigException("Top level GSA error", intermediateCause);

        assertNotNull(exception);

        final LlmException exception = new LlmException("Error message");
        assertEquals("Error message", exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test
    public void test_constructorWithMessageAndCause() {
        final RuntimeException cause = new RuntimeException("Root cause");
        final LlmException exception = new LlmException("Error occurred", cause);

        ErrorToWarnRewritePolicy policy = new ErrorToWarnRewritePolicy(loggerNames);

        assertNotNull(policy);
    }

    @Test
    public void test_rewrite_with_null_logger_name() {
        String[] loggerNames = { "test.logger" };
        ErrorToWarnRewritePolicy policy = new ErrorToWarnRewritePolicy(loggerNames);

        LogEvent event =

        // Test getMessage behavior with complex cause structure
        final Exception innerCause = new NullPointerException("NPE occurred");
        final Exception outerCause = new IllegalStateException("State error", innerCause);
        final JobProcessingException exception = new JobProcessingException(outerCause);

        assertNotNull(exception.getMessage());
        assertTrue(exception.getMessage().contains("IllegalStateException"));

        final File targetDir = new File(userDir, "target");
        final File targetClassesDir = new File(targetDir, "classes");
        if (targetClassesDir.isDirectory()) {
            buf.append(cpSeparator);
            buf.append(targetClassesDir.getAbsolutePath());
        }
        // WEB-INF/lib
        appendJarFile(cpSeparator, buf, new File(servletContext.getRealPath("/WEB-INF/lib")),

     */
    protected byte[] gzipDecompress(final byte[] compressed) {
        try (final ByteArrayInputStream bis = new ByteArrayInputStream(compressed);
                final GZIPInputStream gzipIn = new GZIPInputStream(bis);
                final ByteArrayOutputStream bos = new ByteArrayOutputStream()) {
            final byte[] buffer = new byte[1024];
            int len;
            while ((len = gzipIn.read(buffer)) > 0) {

        final StorageItem item = new StorageItem("", "/path/", false, 100L, null, "");

        assertEquals("", item.getName());
        assertEquals("/path/", item.getPath());
        assertEquals("", item.getEncodedId());
    }

    public void test_largeFileSize() {
        final long largeSize = 10737418240L; // 10 GB

    def transform() {
        XIncludeAwareXmlProvider provider = new XIncludeAwareXmlProvider()
        provider.parse(sourceFile.get().asFile)
        transformDocument(provider.document)
        provider.write(destFile.get().asFile)
    }

    private def transformDocument(Document mainDocbookTemplate) {
        ClassMetaDataRepository<ClassMetaData> classRepository = new SimpleClassMetaDataRepository<ClassMetaData>()