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;
import org.junit.jupiter.api.Test;
import org.mockito.Mock;

        String str = spy.toString();

        // Verify all methods were called except toString (Mockito limitation)
        verify(spy).getFileInformationLevel();
        verify(spy).size();
        verify(spy).encode(buffer, 0);
        verify(spy).decode(buffer, 0, 8);
        // Note: Cannot verify toString() with Mockito - it's a special method

        // Verify return values

        assertTrue(signingDigest.verify(testData, 0, 8, 0, message));
        assertFalse(signingDigest.verify(testData, 0, 8, 0, message));
        assertTrue(signingDigest.verify(testData, 0, 8, 0, message));
        assertFalse(signingDigest.verify(testData, 0, 8, 0, message));
        assertTrue(signingDigest.verify(testData, 0, 8, 0, message));

        verify(mockDelegate).getConfig();
    }

    @Test
    void testGetDfs() {
        // Test getDfs() method
        DfsResolver mockDfsResolver = mock(DfsResolver.class);
        when(mockDelegate.getDfs()).thenReturn(mockDfsResolver);
        assertEquals(mockDfsResolver, cifsContextWrapper.getDfs());
        verify(mockDelegate).getDfs();
    }

    @Test

        // Then - verify all operations
        assertEquals(mid, messageBlock.getMid());
        assertEquals(command, messageBlock.getCommand());
        assertEquals(digest, messageBlock.getDigest());
        assertEquals(response, messageBlock.getResponse());

        // Reset and verify
        messageBlock.reset();
        verify(messageBlock).reset();
    }

    @Test

        int currentIndex = 2 + descr.length;
        // Verify level (0x0001)
        assertEquals(1, (dst[currentIndex] & 0xFF) | ((dst[currentIndex + 1] & 0xFF) << 8));
        currentIndex += 2;

        // Verify maxDataCount
        assertEquals(netServerEnum2.maxDataCount, (dst[currentIndex] & 0xFF) | ((dst[currentIndex + 1] & 0xFF) << 8));
        currentIndex += 2;

        // Verify serverTypes

        java.io.IOException ex = assertThrows(java.io.IOException.class, () -> transport.ensureConnected());
        assertTrue(ex.getMessage().contains("connect"));
        verify(transport).ensureConnected();
    }

    // Happy path: getDfsReferrals returns referral, verify arguments captured
    @Test
    @DisplayName("getDfsReferrals returns data and receives correct args")
    void getDfsReferrals_happy() throws Exception {

        int encodedLength = request.encode(buffer, 0);

        // Verify encoded length matches size
        assertEquals(request.size(), encodedLength);

        // Verify capabilities (4 bytes)
        assertEquals(DEFAULT_CAPABILITIES, SMBUtil.readInt4(buffer, 0));

        // Verify client GUID (16 bytes)
        byte[] extractedGuid = new byte[16];

    void connectLogon_invocation_isForwarded() throws Exception {
        // Act
        tree.connectLogon(context);

        // Assert - verify interaction with dependency
        verify(tree, times(1)).connectLogon(context);
        verify(tree, never()).close();
    }

    @Test
    @DisplayName("connectLogon accepts null context but still invokes")

        InOrder inOrder = inOrder(handle, fd, tree);
        inOrder.verify(handle, times(1)).ensureOpen();
        inOrder.verify(fd, times(1)).getTree();
        inOrder.verify(tree, times(1)).send(any(Smb2IoctlRequest.class), eq(RequestParam.NO_RETRY));
        verify(fd, times(1)).close();
        verify(tree, times(1)).close();
    }

    @ParameterizedTest