assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test
    public void test_constructorWithScheduledJob_emptyToString() {
        // Test with scheduled job that returns empty string from toString
        ScheduledJob scheduledJob = new ScheduledJob() {
            @Override
            public String toString() {
                return "";
            }
        };

     * Retrieves the parameters from the most recent crawling session for a given session ID.
     * Returns an empty list if no crawling information is found for the session.
     *
     * @param sessionId the session identifier to find the latest crawling parameters for
     * @return a list of CrawlingInfoParam entities from the latest session, or empty list if none found
     */

            String msg = "Cannot register null or empty aggregation: name=" + name + " value=" + value;
            throw new InvalidQueryRegisteredException(msg);
        }
    }

    protected void checkEsInvalidAggregationCollection(String name, Collection<?> values) {
        if (values == null || values.isEmpty()) {
            String msg = "Cannot register null or empty query collection: name=" + name + " values=" + values;

     *
     * @param template the Groovy script to evaluate (null-safe, returns null if empty)
     * @param paramMap the parameters to bind to the script (null-safe, treated as empty map if null)
     * @return the result of script evaluation, or null if the template is empty or evaluation fails
     * @throws JobProcessingException if the script explicitly throws this exception

            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    /**
     * Creates a Role entity from the provided form data.
     *
     * @param form the form containing the role data
     * @return optional entity containing the role data, or empty if creation fails
     */
    public static OptionalEntity<Role> getRole(final CreateForm form) {

    }

    /**
     * Executes the search log aggregation job.
     * Stores search logs using the SearchLogHelper and returns execution results.
     *
     * @return execution result message, empty if successful or error message if failed
     */
    public String execute() {
        final SearchLogHelper searchLogHelper = ComponentUtil.getSearchLogHelper();

        final StringBuilder resultBuf = new StringBuilder();

    public void test_execute_withEmptyScript() {
        // Setup test script engine
        scriptEngineFactory.add("test", testScriptEngine);

        // Execute with empty script
        Object result = scriptExecutor.execute("test", "");

        // Verify empty string was processed
        assertEquals("processed: ", result);
        assertEquals("", testScriptEngine.getLastScript());
    }

    @Test

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.thumbnail.impl;

import java.io.File;

/**
 * Empty implementation of thumbnail generator that does not generate any thumbnails.
 * This class is used as a no-op thumbnail generator when thumbnail generation is disabled
 * or when no specific thumbnail generator is configured.
 */

     * @return the formatter instance
     * @throws IllegalArgumentException if the format is null, empty, or not supported
     */
    protected IndexExportFormatter createFormatter(final String format) {
        if (format == null || format.trim().isEmpty()) {
            throw new IllegalArgumentException("Export format must not be null or empty");
        }
        switch (format.trim().toLowerCase()) {
        case "html":

        case WEB -> ComponentUtil.getProtocolHelper().getWebProtocols();
        case FILE -> ComponentUtil.getProtocolHelper().getFileProtocols();
        default -> throw new ConstraintDefinitionException("protocolType is empty or invalid: " + uriType.protocolType());
        };
    }

    @Override
    public boolean isValid(final String value, final ConstraintValidatorContext context) {
        if (StringUtil.isNotBlank(value)) {