assertEqualCharNodes(traverser.depthFirstPreOrder(charactersOf("")), "");
    assertEqualCharNodes(traverser.depthFirstPreOrder(charactersOf("bc")), "bdc");
    assertEqualCharNodes(traverser.depthFirstPreOrder(charactersOf("a")), "abdc");
    assertEqualCharNodes(traverser.depthFirstPreOrder(charactersOf("acdb")), "abdc");
    assertEqualCharNodes(traverser.depthFirstPreOrder(charactersOf("db")), "db");
  }

  @Test

    assertEqualCharNodes(traverser.depthFirstPreOrder(charactersOf("")), "");
    assertEqualCharNodes(traverser.depthFirstPreOrder(charactersOf("bc")), "bdc");
    assertEqualCharNodes(traverser.depthFirstPreOrder(charactersOf("a")), "abdc");
    assertEqualCharNodes(traverser.depthFirstPreOrder(charactersOf("acdb")), "abdc");
    assertEqualCharNodes(traverser.depthFirstPreOrder(charactersOf("db")), "db");
  }

  @Test

    }

    /**
     * Gets a bad word by its ID.
     * @param id The bad word ID.
     * @return Optional entity containing the bad word if found.
     */
    public OptionalEntity<BadWord> getBadWord(final String id) {
        return badWordBhv.selectByPK(id);
    }

    /**
     * Stores (inserts or updates) a bad word.
     * @param badWord The bad word to store.
     */

import jakarta.validation.constraints.Size;

/**
 * Form class for editing bad words in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing bad word entries,
 * including tracking information for optimistic locking and audit trails.
 * Bad words are terms that should be filtered or blocked in search results.
 *
 */
public class EditForm extends CreateForm {

    }

    /**
     * Adds a bad word to the suggest index.
     *
     * @param badWord The bad word to add.
     * @param apply   true to apply the changes immediately.
     */
    public void addBadWord(final String badWord, final boolean apply) {
        suggester.indexer().addBadWord(badWord, apply);
        refresh();
    }

    /**
     * Deletes a bad word from the suggest index.
     *

    public Integer crudMode;

    /**
     * The bad word to be filtered from search suggestions.
     */
    @Required
    @Pattern(regexp = "[^\\s]+")
    public String suggestWord;

    /**
     * The username of the user who created this bad word entry.
     */
    @Size(max = 1000)
    public String createdBy;

    /**
     * The timestamp when this bad word entry was created.
     */
    @ValidateTypeFailure

    /** Helper for managing search suggestions and bad words */
    @Resource
    protected SuggestHelper suggestHelper;

    /**
     * Retrieves bad word settings with pagination support.
     *
     * @param body the search body containing pagination and filter parameters
     * @return JSON response containing list of bad word configurations
     */
    // GET /api/admin/badword/settings

import org.lastaflute.web.validation.Required;

/**
 * Form for uploading bad word files to the Fess search engine.
 * This form is used in the admin interface to upload bad word dictionary files
 * that contain words to be filtered from search results.
 */
public class UploadForm {

    /**
     * The multipart file containing bad words to be uploaded.

  public void testFromStringBadDefaultPort() {
    // Well-formed strings with bad default ports.
    checkFromStringCase("gmail.com:81", -1, "gmail.com", 81, true);
    checkFromStringCase("192.0.2.2:83", -1, "192.0.2.2", 83, true);
    checkFromStringCase("[2001::2]:85", -1, "2001::2", 85, true);
    checkFromStringCase("goo.gl:65535", 65536, "goo.gl", 65535, true);
    // No port, bad default.
    checkFromStringCase("google.com", -1, "google.com", -1, false);

  public void testFromStringBadDefaultPort() {
    // Well-formed strings with bad default ports.
    checkFromStringCase("gmail.com:81", -1, "gmail.com", 81, true);
    checkFromStringCase("192.0.2.2:83", -1, "192.0.2.2", 83, true);
    checkFromStringCase("[2001::2]:85", -1, "2001::2", 85, true);
    checkFromStringCase("goo.gl:65535", 65536, "goo.gl", 65535, true);
    // No port, bad default.
    checkFromStringCase("google.com", -1, "google.com", -1, false);