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");
    }

            assertSame(tree, t1);
            assertSame(tree, t2);
        }

        // Assert: pipe.ensureTreeConnected invoked once, acquire twice
        verify(pipe, times(1)).ensureTreeConnected();
        verify(tree, times(2)).acquire();
    }

    @Test
    @DisplayName("isOpen and isStale reflect underlying handle validity")
    void testIsOpenAndIsStale() throws CIFSException {

        raf.writeFloat(1.0f);
        raf.writeDouble(1.0);

        // Verify length counts - using times() to check exact counts
        verify(raf, times(2)).write(any(byte[].class), anyInt(), eq(2)); // short and char
        verify(raf, times(2)).write(any(byte[].class), anyInt(), eq(4)); // int and float
        verify(raf, times(2)).write(any(byte[].class), anyInt(), eq(8)); // long and double
    }

    @Test

    }

    /**
     * Test for close() method called multiple times.
     * Verifies that close can be called multiple times safely.
     */
    @Test
    void testClose_multipleTimes() {
        doNothing().when(smbTree).close();

        smbTree.close();
        smbTree.close();
        smbTree.close();

        verify(smbTree, times(3)).close();
    }

    /**

        // 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

        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

import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

        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);
    }

        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")

        verify(mockDeferredNdrBuffer, times(9)).enc_ndr_long(anyInt()); // 3 enc_ndr_long for each of 3 unicode strings
        verify(mockDeferredNdrBuffer, times(3)).enc_ndr_long(0);
        verify(mockDeferredNdrBuffer, times(3)).advance(anyInt());
        verify(mockDeferredNdrBuffer, times(4)).derive(anyInt()); // 3 for strings + 1 for guid
        verify(mockDeferredNdrBuffer, times(18)).enc_ndr_short(0); // 5+6+7 shorts with value 0