}

        @Override
        public String getPathInfo() {
            throw new UnsupportedOperationException();
        }

        @Override
        public String getPathTranslated() {
            throw new UnsupportedOperationException();
        }

        @Override
        public String getContextPath() {
            throw new UnsupportedOperationException();

  }

  /**
   * Not supported. Use {@link #eraseAll} instead.
   *
   * @throws UnsupportedOperationException always
   * @deprecated Use {@link #eraseAll}
   */
  @DoNotCall("Always throws UnsupportedOperationException")
  @Override
  @Deprecated
  public void clear() {
    throw new UnsupportedOperationException();
  }

  /** Associates the value {@code null} with every pair of allowed row and column keys. */

        NetServerEnumIterator iterator = new NetServerEnumIterator(parent, treeHandle, "*", 0, null);

        // Then: Remove should throw UnsupportedOperationException
        UnsupportedOperationException exception = assertThrows(UnsupportedOperationException.class, iterator::remove);
        assertEquals("remove", exception.getMessage());
    }

    @Test
    @DisplayName("Close should be idempotent")

    /**
     *
     */
    private void doClose() {
        this.treeHandle.release();
        this.next = null;
    }

    @Override
    public void remove() {
        throw new UnsupportedOperationException("remove");
    }

    @Test
    @DisplayName("Remove propagates UnsupportedOperationException")
    void removeException() {
        when(delegate.hasNext()).thenReturn(false);
        doThrow(new UnsupportedOperationException("Not supported")).when(delegate).remove();

        TestIterator iterator = new TestIterator(null);

        UnsupportedOperationException ex = assertThrows(UnsupportedOperationException.class, iterator::remove);

    }

    @Test
    @DisplayName("remove() throws UnsupportedOperationException")
    void removeThrows() throws Exception {
        SmbFile parent = newParent();
        ShareEnumIterator it = new ShareEnumIterator(parent, Collections.<FileEntry> emptyList().iterator(), null);
        UnsupportedOperationException ex = assertThrows(UnsupportedOperationException.class, it::remove);
        assertEquals("remove", ex.getMessage());

    public void close() throws CIFSException {
        if (this.next != null) {
            doClose();
        }
    }

    @Override
    public void remove() {
        throw new UnsupportedOperationException("remove");
    }

        throw new UnsupportedOperationException("RDMA read not supported by TCP fallback");
    }

    @Override
    public void rdmaWrite(RdmaMemoryRegion localRegion, long remoteAddress, int remoteKey, int length) throws IOException {
        // TCP fallback doesn't support real RDMA write
        throw new UnsupportedOperationException("RDMA write not supported by TCP fallback");
    }

    }

    @Test
    @DisplayName("Should have correct dialect codes for SMB2+ versions")
    void testDialectCodes() {
        // SMB1 should throw UnsupportedOperationException
        assertThrows(UnsupportedOperationException.class, () -> {
            DialectVersion.SMB1.getDialect();
        });

        // SMB2+ versions should have valid dialect codes

    @Test
    @DisplayName("remove() throws UnsupportedOperationException with 'remove' message")
    void removeUnsupported() throws Exception {
        // Arrange
        stubAcquireReturnsSelf();
        TestIterator it = TestIterator.create(tree, parent, "*", null, 0, entry("a"), List.of(new FileEntry[][] { new FileEntry[] {} }));

        // Act + Assert