assertTrue(transport.isSMB2());
        assertFalse(transport.isSMB2());
        verify(transport, times(2)).isSMB2();

        doThrow(new SmbException("query failed")).when(transport).isSMB2();
        assertThrows(SmbException.class, () -> transport.isSMB2());
        verify(transport, times(3)).isSMB2();
    }

    // Inflight requests count including edge values
    @ParameterizedTest

        // Verify that server-side path engaged at least the initial opens
        verify(src, times(1)).openUnshared(anyInt(), anyInt(), anyInt(), anyInt(), anyInt());
        verify(dest, times(1)).openUnshared(anyInt(), anyInt(), anyInt(), anyInt(), anyInt());
    }

    // --- WriterThread behavior ---

    @Test

  private static void runUntimedInterruptsTest(int times)
      throws InterruptedException, ExecutionException, TimeoutException {
    SettableFuture<String> future = SettableFuture.create();
    FutureTask<Boolean> interruptReporter = untimedInterruptReporter(future, false);

    runNInterruptsTest(times, future, interruptReporter);
  }

  private static void runTimedInterruptsTest(int times)

  private static void runUntimedInterruptsTest(int times)
      throws InterruptedException, ExecutionException, TimeoutException {
    SettableFuture<String> future = SettableFuture.create();
    FutureTask<Boolean> interruptReporter = untimedInterruptReporter(future, false);

    runNInterruptsTest(times, future, interruptReporter);
  }

  private static void runTimedInterruptsTest(int times)

        h.close(777L);

        // Verify SMB2 close path
        verify(tree, times(1)).send(isA(Smb2CloseRequest.class), eq(RequestParam.NO_RETRY));
        // Tree is always released in finally
        verify(tree, times(1)).release();
    }

    @Test
    @DisplayName("close(long) sends SMB1 close request and releases tree when SMB1")

        Assertions.assertEquals(19L, s);

        Mockito.verify(mock, Mockito.times(1)).getAttributes();
        Mockito.verify(mock, Mockito.times(1)).getCreateTime();
        Mockito.verify(mock, Mockito.times(1)).getLastWriteTime();
        Mockito.verify(mock, Mockito.times(1)).getLastAccessTime();
        Mockito.verify(mock, Mockito.times(1)).getSize();
        Mockito.verifyNoMoreInteractions(mock);
    }

        assertSame(resource, iterator.next());
        assertFalse(iterator.hasNext());

        // Both resources should be closed
        verify(filter, times(2)).accept(resource);
        verify(resource, times(2)).close();
    }

    @Test
    @DisplayName("Iterator with filter throwing exception")
    void iteratorWithFilterException() throws Exception {

        assertTrue(out.length > 0);

        // Verify interactions: flags and an empty optimistic token are used
        verify(this.mechContext, times(1)).getFlags();
        ArgumentCaptor<byte[]> cap = ArgumentCaptor.forClass(byte[].class);
        verify(this.mechContext, times(1)).initSecContext(cap.capture(), eq(0), eq(0));
        assertEquals(0, cap.getValue().length, "Optimistic token must be zero-length");
    }

        verify(file, times(1)).getAttributes();
    }

    @Test
    public void testAcceptReturnsFalseWhenAttributesDoNotMatch() throws Exception {
        SmbFile file = mock(SmbFile.class);
        when(file.getAttributes()).thenReturn(SmbFile.ATTR_HIDDEN);
        assertFalse(filter.accept(file), "Attributes not matching should be rejected");
        verify(file, times(1)).getAttributes();
    }

    @Test

        // Act
        pipe.customizeCreate(req, resp);

        // Assert: verify interactions with dependencies
        verify(req, times(1)).addFlags0(0x16);
        verify(resp, times(1)).setExtended(true);
        verify(resp, never()).setExtended(false);
    }

    @Test
    @DisplayName("openPipe returns a handle bound to this pipe")