)
  internal val readTimeout = StreamTimeout()
  internal val writeTimeout = StreamTimeout()

  /**
   * The reason why this stream was closed, or null if it closed normally or has not yet been
   * closed.
   *
   * If there are multiple reasons to abnormally close this stream (such as both peers closing it
   * near-simultaneously) then this is the first reason known to this peer.
   */

    while (true) {
      if (closed) throw IOException("closed")

      if (frameLength > 0L) {
        source.readFully(messageFrameBuffer, frameLength)

        if (!isClient) {
          messageFrameBuffer.readAndWriteUnsafe(maskCursor!!)
          maskCursor.seek(messageFrameBuffer.size - frameLength)
          toggleMask(maskCursor, maskKey!!)
          maskCursor.close()
        }
      }

          assertThat(dispatcherE.closed).isTrue()
          assertThat(dispatcherF.closed).isFalse() // Never started.
        }
      }
  }

  class ClosableDispatcher : Dispatcher() {
    var closed = false

    override fun dispatch(request: RecordedRequest) = MockResponse()

    override fun close() {
      closed = true
    }
  }

   * This method returns true if the message was enqueued. Messages that would overflow the outgoing
   * message buffer will be rejected and trigger a [graceful shutdown][close] of this web socket.
   * This method returns false in that case, and in any other case where this web socket is closing,
   * closed, or canceled.
   *
   * This method returns immediately.
   */
  fun send(text: String): Boolean

  /**

permissions:
  contents: read

jobs:
  stale:
    permissions:
      issues: write  # for actions/stale to close stale issues
      pull-requests: write  # for actions/stale to close stale PRs
    runs-on: ubuntu-latest
    env:
      ACTIONS_STEP_DEBUG: true
    steps:
    - name: Close Stale Issues
      uses: actions/stale@v8
      with:
        repo-token: ${{ secrets.GITHUB_TOKEN }}

    }

    @Test
    @DisplayName("ensureOpen throws after close() is called")
    void testEnsureOpenAfterClose() throws CIFSException {
        target.close();
        CIFSException ex = assertThrows(SmbException.class, () -> target.ensureOpen());
        assertTrue(ex.getMessage().contains("Pipe handle already closed"));
    }

    @Test

            }
            closed = true;
        }
    }

    /**
     * Check if this authenticator has been closed
     *
     * @return true if closed, false otherwise
     */
    public boolean isClosed() {
        return closed;
    }

    private void checkNotClosed() {
        if (closed) {
            throw new IllegalStateException("Authenticator has been closed");
        }
    }

     */
    @Override
    void close() throws CIFSException;

    /**
     * Releases this file handle without closing it
     *
     * @throws CIFSException if an error occurs while releasing the handle
     */
    void release() throws CIFSException;

    /**
     * Returns the initial size of the file when it was opened
     *
     * @return the file size when it was opened
     */

        // Mock isOpen to return false after close
        doAnswer(new Answer<Void>() {
            @Override
            public Void answer(InvocationOnMock invocation) throws Throwable {
                when(smbFile.isOpen()).thenReturn(false);
                return null;
            }
        }).when(smbFile).close(anyLong());

        smbRandomAccessFile.close();

    webSocket.close(1000, null);
    System.out.println("onClose (" + code + "): " + reason);
  }

  @Override public void onFailure(WebSocket webSocket, Throwable t, Response response) {
    // TODO(jwilson): can I read the response body? Do I have to?
    System.out.println("onFailure " + response);
  }

  @Override public void close() throws IOException {
    if (webSocket == null) return;