// Test special characters in message
        String message = "Special chars: \n\t\r\"'<>&{}[]()!@#$%^&*";

        SearchQueryException exception = new SearchQueryException(message);

        assertEquals(message, exception.getMessage());
    }

    public void test_unicodeInMessage() {
        // Test unicode characters in message

public abstract class FessAppService {

    /**
     * Default constructor.
     */
    public FessAppService() {
        // Default constructor
    }

    /**
     * Wraps a query string with wildcard characters to enable partial matching.
     * This method ensures that the query string is surrounded by asterisks (*)
     * to support prefix and suffix matching in search operations.
     *

     */
    public DeleteForm() {
        // Default constructor with explicit documentation
    }

    /**
     * The search query used to find the document.
     * Optional field with maximum length of 1000 characters.
     */
    @Size(max = 1000)
    public String q;

    /**
     * The document ID of the document to delete.
     * Required field for identifying the specific document.
     */
    @Required

        assertEquals(statusCode, exception.getStatusCode());
        assertEquals(message, exception.getMessage());
    }

    public void test_exceptionWithSpecialCharactersInMessage() {
        // Test with special characters in message
        int statusCode = 400;
        String message = "Error: \"Invalid JSON\" - {key: 'value'} \n\t@#$%^&*()";

        WebApiException exception = new WebApiException(statusCode, message);

 * This class represents the form data structure for installing a plugin
 * via file upload through the admin UI.
 */
public class InstallForm {

    /** Plugin identifier (required, max 400 characters) */
    @Required
    @Size(max = 400)
    public String id;

    /**
     * Default constructor.
     */
    public InstallForm() {
        // Default constructor
    }

    protected int initialBufferSize = 10000;

    /**
     * If true, duplicated terms are replaced.
     */
    protected boolean replaceDuplication = false;

    /**
     * Space characters. Default includes common space characters.
     */
    protected int[] spaceChars = { '\u0020', '\u00a0', '\u3000', '\ufffd' };

    /**
     * Memory size.
     */
    protected int memorySize = 1024 * 1024; //1mb

public class TagForm {

    /**
     * The file or directory path associated with this tag.
     */
    @Required
    public String path;

    /**
     * The name of the tag with a maximum length of 100 characters.
     */
    @Required
    @Size(max = 100)
    public String name;

    /**
     * A map containing additional tag metadata as key-value pairs.
     */
    public Map<String, String> tags = new HashMap<>();

  @CanIgnoreReturnValue
  public B named(String name) {
    if (name.contains("(")) {
      throw new IllegalArgumentException(
          "Eclipse hides all characters after "
              + "'('; please use '[]' or other characters instead of parentheses");
    }
    this.name = name;
    return self();
  }

  public String getName() {
    return name;
  }

  // Test suppression

        assertEquals((byte) 0x04, dst[2]); // Second buffer format byte
    }

    /**
     * Test writeBytesWireFormat with special characters in file names
     */
    @Test
    @DisplayName("Test writeBytesWireFormat with special characters in file names")
    public void testWriteBytesWireFormatSpecialCharacters() {
        // Given
        String oldFileName = "file with spaces.txt";

    @Test
    public void testParseQueryWithSpecialCharacters() {
        // Test query with special characters
        String query = "test+query-search";
        String field = "content";
        String[] keywords = SuggestUtil.parseQuery(query, field);
        assertNotNull(keywords);
        // Parser should handle special characters
    }

    @Test
    public void testGetTermQueryListWithNull() {