plan0.tcpConnectThrowable = IOException("boom 0!")
    val plan1 = routePlanner.addPlan()
    plan1.tcpConnectThrowable = IOException("boom 1!")

    taskRunner.newQueue().execute("connect") {
      assertFailsWith<IOException> {
        finder.find()
      }.also { expected ->
        assertThat(expected).hasMessage("boom 0!")
        assertThat(expected.suppressed.single()).hasMessage("boom 1!")
      }
    }

    void ensureTreeConnected_propagatesException() throws Exception {
        // Arrange
        SmbPipeOutputStream out = newStream();
        CIFSException boom = new CIFSException("tree-fail");
        when(handle.ensureTreeConnected()).thenThrow(boom);

        // Act + Assert
        CIFSException ex = assertThrows(CIFSException.class, out::ensureTreeConnected);
        assertEquals("tree-fail", ex.getMessage());

        override fun run(): Unit = throw RuntimeException("boom!")
      }
    thread.start()
    thread.join()

    assertFailsWith<AssertionError> {
      testRule.afterEach(extensionContext)
    }.also { expected ->
      assertThat(expected).hasMessage("uncaught exception thrown during test")
      assertThat(expected.cause!!).hasMessage("boom!")
    }
  }

    target: Path,
  ) {
    if (renameFaults.contains(source) || renameFaults.contains(target)) throw IOException("boom!")
    super.atomicMove(source, target)
  }

  @Throws(IOException::class)
  override fun delete(
    path: Path,
    mustExist: Boolean,
  ) {
    if (deleteFaults.contains(path)) throw IOException("boom!")
    super.delete(path, mustExist)
  }

  @Throws(IOException::class)
  override fun deleteRecursively(

  }

  @Test fun taskFailsWithUncheckedException() {
    queue.schedule("task", TimeUnit.MILLISECONDS.toNanos(100)) {
      log.put("failing task running")
      throw RuntimeException("boom!")
    }

    queue.schedule("task", TimeUnit.MILLISECONDS.toNanos(200)) {
      log.put("normal task running")
      return@schedule -1L
    }

    queue.idleLatch().await(500, TimeUnit.MILLISECONDS)

        // Act & Assert: the exception is propagated and interaction recorded once
        RuntimeException thrown = assertThrows(RuntimeException.class, supplier::get);
        assertInstanceOf(SmbUnsupportedOperationException.class, thrown.getCause());
        assertEquals("boom", thrown.getCause().getMessage());
        verify(supplier, times(1)).get();

   * exception goes to the uncaught exception handler.
   */
  private fun interceptorThrowsRuntimeExceptionAsynchronous(network: Boolean) {
    val boom = RuntimeException("boom!")
    addInterceptor(network) { chain: Interceptor.Chain? -> throw boom }
    val executor = ExceptionCatchingExecutor()
    client =
      client
        .newBuilder()
        .dispatcher(Dispatcher(executor))
        .build()

    void throwsSmbExceptionFromFilter() {
        SmbFilenameFilter filter = (dir, name) -> {
            throw new SmbException("boom");
        };

        SmbException ex = assertThrows(SmbException.class, () -> filter.accept(mockDir, "x"));
        assertEquals("boom", ex.getMessage(), "Exception message should be preserved");
        verifyNoInteractions(mockDir);
    }

    /**

        // Arrange: filter delegates to isDirectory which may throw SmbException
        SmbFileFilter filter = f -> f.isDirectory();
        SmbException boom = new SmbException("io error");
        when(smbFile.isDirectory()).thenThrow(boom);

        // Act + Assert
        SmbException thrown = assertThrows(SmbException.class, () -> filter.accept(smbFile));
        assertEquals("io error", thrown.getMessage());

            when(src.getContext()).thenReturn(ctx);

            // Force failure before any stream construction
            when(src.openUnshared(anyInt(), anyInt(), anyInt(), anyInt(), anyInt())).thenThrow(new SmbException("boom"));

            SmbTreeHandleImpl sh = newTreeHandle(false); // force non-SMB2 path to avoid server-side branch
            SmbTreeHandleImpl dh = newTreeHandle(false);