// Act
            SMBProtocolDecodingException ex = assertThrows(SMBProtocolDecodingException.class, () -> resp.readBytesWireFormat(buffer, 0),
                    "Should throw when structure size != 4");

            // Assert: message is meaningful
            assertEquals("Structure size is not 4", ex.getMessage());
        }

        @Test

        } catch (final InvocationTargetException ex) {
            final Throwable t = ex.getCause();
            if (t instanceof RuntimeException) {
                throw (RuntimeException) t;
            }
            if (t instanceof Error) {
                throw (Error) t;
            }
            throw new InvocationTargetRuntimeException(method.getDeclaringClass(), ex);
        } catch (final IllegalAccessException ex) {

        void rejectsNonIpcShare(String url) {
            // Arrange & Act & Assert
            MalformedURLException ex =
                    assertThrows(MalformedURLException.class, () -> new SmbNamedPipe(url, SmbPipeResource.PIPE_TYPE_RDWR, ctx()));
            assertEquals("Named pipes are only valid on IPC$", ex.getMessage());
        }

        @Test
        @DisplayName("Null context throws NPE (invalid input)")

    f.set("foo");
  }

  public void testExecutorSuccess() {
    CountingSameThreadExecutor ex = new CountingSameThreadExecutor();
    SettableFuture<String> f = SettableFuture.create();
    MockCallback callback = new MockCallback("foo");
    Futures.addCallback(f, callback, ex);
    f.set("foo");
    assertEquals(1, ex.runCount);
  }

  // Error cases
  public void testSameThreadExecutionException() {

                                    } catch (final Exception ex) {
                                        throw new InvalidQueryException(
                                                messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY),
                                                ex.getLocalizedMessage(), ex);
                                    }
                                }));

                        doRecv(response);
                        response.received();
                    }
                }
            } catch (final Exception ex) {
                final String msg = ex.getMessage();
                final boolean timeout = ex instanceof SocketTimeoutException || msg != null && msg.equals("Read timed out");
                final boolean closed = msg != null && msg.equals("Socket closed");

        doThrow(new RuntimeException(new CIFSException("session fail"))).when(tree).getSession();

        Exception ex = assertThrows(Exception.class, handle::getSessionKey);
        assertTrue(
                ex.getMessage().contains("session fail") || (ex.getCause() != null && ex.getCause().getMessage().contains("session fail")));
    }

            when(dest.toString()).thenReturn("smb://dest");

            // Act + Assert
            SmbException ex =
                    assertThrows(SmbException.class, () -> SmbCopyUtil.copyFile(src, dest, buffers, 8, new WriterThread(), sh, dh));
            assertTrue(ex.getMessage().contains("smb://src"));
            assertTrue(ex.getMessage().contains("smb://dest"));
        }

        @Test

    }
  }
}

object LoggingCallback : FutureCallback<SimpleHttpResponse> {
  override fun completed(response: SimpleHttpResponse) {
  }

  override fun failed(ex: Exception) {
    println("Failed: $ex")
  }

  override fun cancelled() {
    println("Cancelled")
  }

                null, null);

        IOException ex = assertThrows(IOException.class, () -> new NegTokenInit(token));
        assertTrue(ex.getMessage().contains("OID"), "Error should mention OID");
    }

    @Test
    @DisplayName("Parse accepts non-zero outer tag numbers (current implementation behavior)")