// The server name is stored in a protected field without a public getter, so we cannot directly test it.
        // We can test the public fields that are set.
        assertEquals(200, dfsRootEnum.level, "The level should be initialized to 200.");
        assertNotNull(dfsRootEnum.info, "The info struct should not be null.");

        when(mockConfig.isDfsDisabled()).thenReturn(false);
        when(mockContext.getCredentials()).thenReturn(mockCredentials);
        when(mockCredentials.getUserDomain()).thenReturn(null);
        assertFalse(dfsResolver.isTrustedDomain(mockContext, "anyDomain"));
    }

    @Test
    void testIsTrustedDomain_EmptyUserDomain() throws CIFSException {

    @Test
    public void test_getTook() throws Exception {
        SuggestDeleteResponse response = new SuggestDeleteResponse(null, 250);

        assertEquals(250, response.getTook());
    }

    @Test
    public void test_hasError() throws Exception {
        SuggestDeleteResponse response1 = new SuggestDeleteResponse(null, 100);
        assertFalse(response1.hasError());

        List<Throwable> errors = new ArrayList<>();

      queue[size] = null;
      return null;
    }
    E toTrickle = elementData(size);
    queue[size] = null;
    MoveDesc<E> changes = fillHole(index, toTrickle);
    if (lastElementAt < index) {
      // Last element is moved to before index, swapped with trickled element.
      if (changes == null) {
        // The trickled element is still after index.

    }
  }

  /*
   * Preconditions.checkNotNull is *intended* for performing eager null checks on parameters that a
   * nullness checker can already "prove" are non-null. That means that the first parameter to
   * checkNotNull *should* be annotated to require it to be non-null.
   *
   * However, for a variety of reasons, Google developers have written a ton of code over the past

    public byte[] getContextHandle() {
        return contextHandle != null ? contextHandle.clone() : null;
    }

    /**
     * Sets the context handle.
     *
     * @param contextHandle the context handle
     */
    public void setContextHandle(byte[] contextHandle) {
        this.contextHandle = contextHandle != null ? contextHandle.clone() : null;
    }

    @Override

     *     throw new SecurityException("Path traversal attempt detected");
     * }
     * </pre>
     *
     * @param pathToCheck the path to validate (must not be {@literal null})
     * @param baseDirectory the base directory that the path must be within (must not be {@literal null})
     * @return true if the path is safe (within the base directory), false otherwise
     */

    /**
     * Test for unwrap with null parameter.
     * Verifies behavior when null is passed to unwrap.
     */
    @Test
    void testUnwrap_withNullParameter() {
        when(smbTree.unwrap(null)).thenThrow(new NullPointerException("Type cannot be null"));

        assertThrows(NullPointerException.class, () -> smbTree.unwrap(null), "Should throw NullPointerException when type is null");
    }

    /**

    protected void assertObjectNotNull(String variableName, Object value) {
        if (variableName == null) {
            String msg = "The value should not be null: variableName=null value=" + value;
            throw new IllegalArgumentException(msg);
        }
        if (value == null) {
            String msg = "The value should not be null: variableName=" + variableName;
            throw new IllegalArgumentException(msg);
        }

    }

    @Test
    public void test_constructor_withAllNullParameters() {
        // Execute
        final SsoMessageException exception = new SsoMessageException(null, null, null);

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