// Throws exception if not working correctly
    HostSpecifier unused = HostSpecifier.fromValid(spec);
    unused = HostSpecifier.from(spec);
    assertTrue(HostSpecifier.isValid(spec));
  }

  private void assertBad(String spec) {
    try {
      HostSpecifier.fromValid(spec);
      fail("Should have thrown IllegalArgumentException: " + spec);

      "SETTINGS",
      "PUSH_PROMISE",
      "PING",
      "GOAWAY",
      "WINDOW_UPDATE",
      "CONTINUATION",
    )

  /**
   * Lookup table for valid flags for DATA, HEADERS, CONTINUATION. Invalid combinations are
   * represented in binary.
   */
  private val FLAGS = arrayOfNulls<String>(0x40) // Highest bit flag is 0x20.
  private val BINARY =
    Array(256) {

            assertTrue(true);
        }
    }

    public void test_install_withInvalidZip() throws IOException {
        // Create an invalid zip file
        Path jarPath = tempDir.resolve("invalid.jar");
        Files.write(jarPath, "not a zip file".getBytes());

        ThemeHelper mockThemeHelper = new ThemeHelper() {
            @Override

  <jsp-config>
    <jsp-property-group>
      <url-pattern>*.jsp</url-pattern>
      <el-ignored>false</el-ignored>
      <page-encoding>UTF-8</page-encoding>
      <scripting-invalid>false</scripting-invalid>
      <include-prelude>/WEB-INF/view/common/common.jsp</include-prelude>
    </jsp-property-group>
  </jsp-config>

    public void test_constructor_withTypeAndMessage() {
        // Test constructor with type and message
        String type = "Bearer";
        String message = "Invalid access token provided";
        InvalidAccessTokenException exception = new InvalidAccessTokenException(type, message);

        assertEquals(type, exception.getType());
        assertEquals(message, exception.getMessage());

public class InvalidQueryExceptionTest extends UnitFessTestCase {

    public void test_constructor_withMessageCodeMessageAndCause() {
        // Setup
        final String message = "Invalid query syntax error";
        final Exception cause = new RuntimeException("Query parsing failed");
        final VaMessenger<FessMessages> messageCode = messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY);

     * This method retrieves the authenticated user information and creates an encrypted user code.
     *
     * @param request the HTTP servlet request
     * @return the user code from the user bean, or null if not found or invalid
     */
    protected String getUserCodeFromUserBean(final HttpServletRequest request) {
        final SessionManager sessionManager = ComponentUtil.getComponent(SessionManager.class);

            fail("Should have thrown FessSystemException");
        } catch (FessSystemException e) {
            assertTrue(e.getMessage().contains("Invalid pruned tag"));
        }

        try {
            PrunedTag.parse(".css-only");
            fail("Should have thrown FessSystemException");
        } catch (FessSystemException e) {
            assertTrue(e.getMessage().contains("Invalid pruned tag"));
        }

    }

    public void test_multipleNestedExceptions() {
        // Test with multiple nested exceptions
        Exception innerCause = new IllegalArgumentException("Invalid image format");
        Exception middleCause = new RuntimeException("Processing failed", innerCause);
        ThumbnailGenerationException exception = new ThumbnailGenerationException("Thumbnail generation error", middleCause);

     */
    public void setExistNextPage(final boolean existNextPage) {
        this.existNextPage = existNextPage;
    }

    /**
     * Gets the number of records to display per page.
     * If not set or invalid, returns the default page size.
     *
     * @return the page size
     */
    public int getPageSize() {
        if (pageSize <= 0) {
            pageSize = getDefaultPageSize();
        }