byte[] encrypted = storage.encryptCredentials(null);
        assertNull(encrypted, "Encrypting null should return null");

        char[] decrypted = storage.decryptCredentials(null);
        assertNull(decrypted, "Decrypting null should return null");
    }

    @Test
    public void testEncryptDecryptLongPassword() throws Exception {
        // Test with very long password

     * @return the embedded file, or null if not found
     */
    protected PDEmbeddedFile getEmbeddedFile(final PDComplexFileSpecification fileSpec) {
        // search for the first available alternative of the embedded file
        PDEmbeddedFile embeddedFile = null;
        if (fileSpec != null) {
            embeddedFile = fileSpec.getEmbeddedFileUnicode();
            if (embeddedFile == null) {

        if (viewHelper.isUseSession()) {
            LaRequestUtil.getOptionalRequest().ifPresent(request -> {
                final HttpSession session = request.getSession(false);
                if (session != null && form.num != null) {
                    session.setAttribute(Constants.RESULTS_PER_PAGE, form.num);
                }
            });
        }
        return doSearch(form);
    }

    /**

    public void test_constructor_withAllNullParameters() {
        // Execute
        final InvalidQueryException exception = new InvalidQueryException(null, null, null);

        // Verify
        assertNotNull(exception);
        assertNull(exception.getMessage());
        assertNull(exception.getCause());
        assertNull(exception.getMessageCode());
    }

     */
    private static byte[] buildPacket(byte[] header, byte[] body, Integer ctxOffsetFromHeader, byte[] ctxBytes) {
        int totalLen;
        if (ctxOffsetFromHeader != null && ctxBytes != null) {
            totalLen = Math.max(SMB2_HEADER_LENGTH + body.length, ctxOffsetFromHeader + ctxBytes.length);
        } else {
            totalLen = SMB2_HEADER_LENGTH + body.length;
        }

     * If the input array is {@code null}, an empty stream is returned.
     *
     * @param <T> The type of elements in the stream.
     * @param values The elements to be included in the stream. Can be {@code null}.
     * @return A {@link StreamOf} instance containing the provided values, or an empty stream if {@code values} is {@code null}.
     */
    @SafeVarargs

        scriptEngineFactory.add("test", testScriptEngine);

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

        // Verify null was passed through
        assertEquals("processed: null", result);
        assertNull(testScriptEngine.getLastScript());
    }

    public void test_execute_withEmptyScript() {
        // Setup test script engine

      throws InvocationTargetException, IllegalAccessException {
    T returnValue = factory.invoke(null, args.toArray());
    if (returnValue == null) {
      Assert.assertTrue(
          factory + " returns null but it's not annotated with @Nullable", isNullable(factory));
    }
    return returnValue;
  }

  /**

     * @param schema
     *            Schema file. Must not be {@literal null}.
     * @return {@link Schema}
     */
    public static Schema newSchema(final SchemaFactory factory, final File schema) {
        assertArgumentNotNull("factory", factory);
        assertArgumentNotNull("schema", schema);

        try {
            return factory.newSchema(schema);

            final byte[] unicodeHash) {
        if (domain == null || username == null || ansiHash == null || unicodeHash == null) {
            throw new IllegalArgumentException("External credentials cannot be null");
        }
        this.domain = domain;
        this.username = username;
        this.password = null;
        this.challenge = challenge;
        this.ansiHash = ansiHash;