doThrow(testException).when(mockSession).close();

            Exception thrownException = assertThrows(Exception.class, mockSession::close, "close() should propagate exceptions");
            assertEquals("Test close exception", thrownException.getMessage());
        }
    }

    @Nested
    @DisplayName("Configuration Access Tests")
    class ConfigurationAccessTest {

   * {@code throws} clause: Some such methods can in fact throw a checked exception (e.g., by
   * calling code written in Kotlin).) Typically, we want to let a {@link Throwable} from such a
   * method propagate untouched, just as we'd typically let it do for a non-reflective call.
   * However, we can't usually write {@code throw t;} when {@code t} has a static type of {@link
   * Throwable}. But we <i>can</i> write {@code sneakyThrow(t);}.

   * {@code throws} clause: Some such methods can in fact throw a checked exception (e.g., by
   * calling code written in Kotlin).) Typically, we want to let a {@link Throwable} from such a
   * method propagate untouched, just as we'd typically let it do for a non-reflective call.
   * However, we can't usually write {@code throw t;} when {@code t} has a static type of {@link
   * Throwable}. But we <i>can</i> write {@code sneakyThrow(t);}.

        // When & Then
        assertThrows(UnknownHostException.class, () -> {
            mockAddress.toInetAddress();
        }, "Should propagate UnknownHostException");
    }

    @Test
    @DisplayName("firstCalledName should return valid name for session establishment")
    void testFirstCalledNameContract() {
        // Given

        verify(treeConnection).ensureDFSResolved(resourceLoc);
    }

    @Test
    @DisplayName("hasCapability delegates and propagates exceptions")
    void hasCapabilityDelegates() throws Exception {
        // Happy path delegates; invalid case propagates SmbException
        when(treeConnection.hasCapability(123)).thenReturn(true);
        assertTrue(handle.hasCapability(123));

          public void run() {
            throw new BadRunnableException();
          }
        };

    future.set(1);
    future.addListener(bad, directExecutor()); // BadRunnableException must not propagate.
  }

  public void testMisbehavingListenerLaterDone() {
    class BadRunnableException extends RuntimeException {}

    CountingRunnable before = new CountingRunnable();
    Runnable bad =

            when(mockSmbPipeHandleInternal.getSessionKey()).thenReturn(expectedKey);
            assertArrayEquals(expectedKey, handle.getSessionKey());
        }

        @Test
        @DisplayName("Should propagate CIFSException when getting session key")
        void testGetSessionKey_ThrowsCIFSException() throws Exception {
            DcerpcPipeHandle handle = createMockedDcerpcPipeHandle();

            assertThrows(SmbUnsupportedOperationException.class, () -> SmbEnumerationUtil.doEnum(parent, "*", 0, null, null));
        }

        @Test
        @DisplayName("list propagates SmbUnsupportedOperationException from doEnum")
        void list_propagatesUnsupportedOperationException() throws Exception {
            // Arrange: same setup as above to force doEnum -> SmbUnsupportedOperationException

            // Then: Should call sendrecv with bind message
            verify(spyHandle).sendrecv(any(DcerpcMessage.class));
        }

        @Test
        @DisplayName("Should propagate IOException during bind")
        void testBindIOException() throws DcerpcException, IOException {
            // Given: Spy that throws IOException on sendrecv

        assertTrue(filter.accept(smbFile), "Positive size should be accepted");
        verify(smbFile, times(1)).length();
        verifyNoMoreInteractions(smbFile);
    }

    @Test
    @DisplayName("accept: propagates SmbException thrown by dependency")
    void accept_propagatesSmbException() throws Exception {
        // Arrange: filter delegates to isDirectory which may throw SmbException