// Assert
            verify(signingDigest).sign(largeData, offset, 10, request, response);
        }

        // Verify method was called correct number of times
        verify(signingDigest, times(offsets.length)).sign(any(byte[].class), anyInt(), anyInt(), any(CommonServerMessageBlock.class),
                any(CommonServerMessageBlock.class));
    }

    @Test

            mockReferralData.setKey(key);
            String retrievedKey = mockReferralData.getKey();

            assertEquals(key, retrievedKey);
            verify(mockReferralData, times(1)).setKey(key);
            verify(mockReferralData, times(1)).getKey();

            // Test with concrete implementation
            concreteImplementation.setKey(key);
            assertEquals(key, concreteImplementation.getKey());
        }

import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.net.InetAddress;
import java.net.UnknownHostException;

import org.junit.jupiter.api.BeforeEach;

        verify(smbFileHandle, times(1)).getTree();
    }

    /**
     * Test isValid() when the handle is valid.
     */
    @Test
    void testIsValid_whenValid() {
        when(smbFileHandle.isValid()).thenReturn(true);
        assertTrue(smbFileHandle.isValid(), "isValid should return true when the handle is valid.");
        verify(smbFileHandle, times(1)).isValid();
    }

    /**

        verify(transport, times(1)).acquire();
    }

    @Test
    @DisplayName("close/release manage usage and transport lifecycle")
    void testReleaseLifecycle() {
        SmbSessionImpl session = newSession();

        // First release drops usage to zero and releases transport
        session.release();
        verify(transport, times(1)).release();
        assertFalse(session.isInUse());

        handle.close();

        // Assert
        // sendrecv for open is called once
        verify(mockDcerpcHandle, times(1)).sendrecv(any(MsrpcSamrOpenDomain.class));
        // sendrecv for close is called only once, even if close() is called multiple times
        verify(mockDcerpcHandle, times(1)).sendrecv(any(MsrpcSamrCloseHandle.class));
    }

    @Test

        // Verify the method was called
        verify(mockResponse, times(2)).isReceived();
    }

    @Test
    void testReceived() {
        // Call the method
        mockResponse.received();

        // Verify that the method was called
        verify(mockResponse, times(1)).received();
    }

    @Test
    void testClearReceived() {
        // Call the method

        // Act
        handle.close();

        // Assert
        // Verify sendrecv was called once for open and once for close
        verify(mockDcerpcHandle, times(1)).sendrecv(any(MsrpcLsarOpenPolicy2.class));
        verify(mockDcerpcHandle, times(1)).sendrecv(any(MsrpcLsarClose.class));
    }

    @Test
    void close_shouldDoNothingIfAlreadyClosed() throws IOException {
        // Arrange

    }

    @Test
    @DisplayName("Test size returns positive message size")
    void testSizeReturnsPositiveValue() {
        // Given
        int expectedSize = 1024;
        when(request.size()).thenReturn(expectedSize);

        // When
        int result = request.size();

        // Then
        assertEquals(expectedSize, result);
        verify(request, times(1)).size();

        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