* @param response The servlet response
     * @param chain The filter chain
     * @throws IOException If an I/O error occurs
     * @throws ServletException If a servlet error occurs
     */
    @Override
    public void doFilter(final ServletRequest request, final ServletResponse response, final FilterChain chain)
            throws IOException, ServletException {

   * @throws NullPointerException if both {@code first} and {@code second} are null
   * @since 18.0 (since 3.0 as {@code Objects.firstNonNull()}).
   */
  public static <T> T firstNonNull(@Nullable T first, @Nullable T second) {
    if (first != null) {
      return first;
    }
    if (second != null) {
      return second;
    }
    throw new NullPointerException("Both parameters are null");

        // Initialize NameQueryResponse before each test
        nameQueryResponse = new NameQueryResponse(mockConfig);
    }

    @Test
    void constructor_shouldInitializeRecordName() throws NoSuchFieldException, IllegalAccessException {
        // Verify that the 'recordName' field in the superclass (NameServicePacket) is initialized
        Field recordNameField = NameServicePacket.class.getDeclaredField("recordName");

        throw new UnsupportedOperationException("Cannot change the version information for an attached artifact."
                + " It is derived from the main artifact.");
    }

    @Override
    public String getBaseVersion() {
        return parent.getBaseVersion();
    }

    @Override
    public void setBaseVersion(String baseVersion) {

            ArtifactRepository localRepository)
            throws ArtifactDeploymentException;

    /**
     * Deploy an artifact from a particular file.
     *
     * @param source the file to deploy
     * @param artifact the artifact definition
     * @param deploymentRepository the repository to deploy to
     * @param localRepository the local repository to install into

    super(factory, data, suiteName, caseDesc, method);
  }

  @Override
  protected void setUp() throws Exception {
    sink = factory.createSink();
  }

  public void testOpenStream() throws IOException {
    OutputStream out = sink.openStream();
    try {
      ByteStreams.copy(new ByteArrayInputStream(data), out);
    } finally {
      out.close();
    }

    super(factory, data, suiteName, caseDesc, method);
  }

  @Override
  protected void setUp() throws Exception {
    sink = factory.createSink();
  }

  public void testOpenStream() throws IOException {
    OutputStream out = sink.openStream();
    try {
      ByteStreams.copy(new ByteArrayInputStream(data), out);
    } finally {
      out.close();
    }

        assertNotNull(result);
        assertTrue(result.length > 0, "HMAC-T64 should produce non-empty result");
    }

    @Test
    @DisplayName("Should perform RC4 encryption/decryption")
    void testRC4() throws Exception {
        // Given
        byte[] key = "testkey123456789".getBytes(); // 16 bytes
        byte[] plaintext = "This is a test message for RC4".getBytes();

        // When

    /**
     * Test the extractProjectId method to ensure it properly falls back to rawModel or fileModel
     * when effectiveModel is null, addressing issue #11292.
     */
    @Test
    void testExtractProjectIdFallback() throws Exception {
        // Use reflection to access the private extractProjectId method
        Method extractProjectIdMethod =
                DefaultProjectBuilder.class.getDeclaredMethod("extractProjectId", ModelBuilderResult.class);

import junit.framework.TestCase;

/**
 * @author higa
 *
 */
public class BigIntegerConversionUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testToBigIntegerForEmptyString() throws Exception {
        assertNull(BigIntegerConversionUtil.toBigInteger(""));
    }