void constructorShouldInitializeCorrectly() {
        // Given
        // mockPolicyHandle is already mocked by @Mock and initialized by @BeforeEach

        // When
        MsrpcSamrCloseHandle msrpcSamrCloseHandle = new MsrpcSamrCloseHandle(mockPolicyHandle);

        // Then
        assertNotNull(msrpcSamrCloseHandle, "MsrpcSamrCloseHandle object should not be null");
        assertEquals(0, msrpcSamrCloseHandle.getPtype(), "ptype should be 0");

            assertEquals(7, FileSystemInformation.FS_FULL_SIZE_INFO);
        }
    }

    @Nested
    @DisplayName("Mock Behavior Tests")
    class MockBehaviorTests {

        @Test
        @DisplayName("Should return mocked capacity value")
        void shouldReturnMockedCapacity() {
            // Given
            long expectedCapacity = 1024L * 1024L * 1024L * 100L; // 100GB

    }

    @Test
    @DisplayName("Mocked consumer receives correct NTSTATUS value")
    void testConsumerInteraction() {
        final int dosErr = 0x00010001;
        final int expectedNt = 0xc0000002;

        interface NtStatusConsumer {
            void consume(int ntStatus);
        }
        NtStatusConsumer mock = mock(NtStatusConsumer.class);
        findNtStatus(dosErr).ifPresent(mock::consume);

import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.MockedStatic;
import org.mockito.Mockito;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.pac.PACDecodingException;

/**
 * Unit tests for the KerberosTicket class.
 */
@ExtendWith(MockitoExtension.class)
class KerberosTicketTest {

    @Mock
    private KerberosKey kerberosKey;

 * The tests verify that:
 * <ul>
 *   <li>encoding and decoding round‑trip correctly handle typical, zero,
 *       and extreme {@code long} values.</li>
 *   <li>encode/decode methods interact correctly with a mocked
 *       {@link NdrBuffer} so that the correct method is called with
 *       the correct argument.</li>
 *   <li>passing {@code null} throws {@link NullPointerException}.
 * </ul>
 *

import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import jakarta.servlet.http.HttpServletRequest;

/**
 * Tests for {@link NtlmHttpServletRequest}.
 */
@ExtendWith(MockitoExtension.class)
class NtlmHttpServletRequestTest {

    @Mock
    private HttpServletRequest mockRequest;

    @Mock
    private Principal mockPrincipal;

        // Arrange: real instance to call protected method; collaborators mocked for interaction verification
        SmbNamedPipe pipe = new SmbNamedPipe("smb://server/IPC$/foo", SmbPipeResource.PIPE_TYPE_RDWR, ctx());
        SmbComNTCreateAndX req = mock(SmbComNTCreateAndX.class);
        SmbComNTCreateAndXResponse resp = mock(SmbComNTCreateAndXResponse.class);

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

import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

/**
 * Unit tests for the {@link SmbFileHandle} interface.
 */
@ExtendWith(MockitoExtension.class)
class SmbFileHandleTest {

    @Mock
    private SmbFileHandle smbFileHandle;

    @Mock
    private SmbTreeHandle smbTreeHandle;

    @BeforeEach

import org.junit.jupiter.params.provider.ValueSource;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.CIFSException;

/**
 * Tests for SMBProtocolDecodingException covering all constructors and observable behavior.
 */
@ExtendWith(MockitoExtension.class)
public class SMBProtocolDecodingExceptionTest {

    @Mock
    Throwable mockCause;

    @Test

    /**
     * Verify that encode invokes NdrBuffer.enc_ndr_short via a mocked
     * (spied) buffer.
     */
    @Test
    void encodeWithSpiedBufferCallsEncMethod() throws NdrException {
        NdrShort ns = new NdrShort(42);
        NdrBuffer spy = spy(new NdrBuffer(new byte[10], 0));
        ns.encode(spy);
        // NdrShort passes its value (already masked to 0xFF) to enc_ndr_short
        verify(spy).enc_ndr_short(42);
    }