if (tc == null) {
                throw new NullPointerException("tc");
            }
            // Exercise interaction with dependency for verification purposes
            // These methods do not throw and allow interaction checks.
            tc.getConfig();
            tc.getCredentials();

            // Minimal behavior: return a mock SSPContext with lenient stubbing

        String out = locator.handleDFSReferral(referral, reqPath);
        assertEquals(resolved, out);

        // Verify exact argument interaction
        verify(locator, times(1)).handleDFSReferral(referral, reqPath);
        verifyNoMoreInteractions(locator);
    }

    // Edge / invalid: null referral or empty/blank path
    @Test

        int apply(FileEntry e);
    }

    private interface LongGetter {
        long apply(FileEntry e);
    }

    // --- Mockito-based interaction tests ---

    @Test
    @DisplayName("Mocked FileEntry returns stubbed values and verifies interactions")
    void mockedEntry_happyPath_and_interactions() {
        // Arrange: stub all methods with representative values

    }

    @Spy
    SecurityBlob spyBlob = new SecurityBlob();

    // Illustrates Mockito interaction verification by spying on set() and validating behavior
    @Test
    @DisplayName("Mockito spy: verify set() interaction and resulting behavior")
    void spy_verifySetInteraction() {
        // Arrange
        byte[] payload = new byte[] { 5, 6 };

        // Act

        wrapper.release();

        // Assert: delegate interactions occur when usage transitions happen
        verify(delegate, times(1)).acquire();
        verify(delegate, times(1)).release();
    }

    @Test
    @DisplayName("finalize() invokes checkRelease exactly once")
    void finalize_invokes_checkRelease() throws Throwable {
        // Arrange: spy to verify internal interaction with checkRelease()

        assertEquals(NtStatus.NT_STATUS_UNSUCCESSFUL, ex.getNtStatus(), "Status should default to unsuccessful for message+cause ctor");
    }

    // Interaction: passing a mocked cause should not trigger interactions (nothing to call)
    @Test
    @DisplayName("Mocked cause: no interactions occur when stored as cause")
    void mockedCause_isStored_withoutInteraction() {
        // Arrange
        Throwable mocked = mock(Throwable.class);

    @DisplayName("customizeCreate sets required flags and extended mode")
    void customizeCreateSetsFlagsAndExtended() throws Exception {
        // 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);

 * methods (writing parameters and handling empty wire formats) and an
 * informative {@link NtTransQuerySecurityDesc#toString()}. The tests
 * exercise normal behaviour, boundary values, and the interaction with
 * the underlying wire‑format helpers.
 */
@ExtendWith(MockitoExtension.class)
class NtTransQuerySecurityDescTest {

    /**
     * Helper that mimics the write logic used by

        assertEquals(url, file.getURL(), "Returned SmbFile should wrap the given URL");
        assertSame(mockCtx, file.getContext(), "SmbFile must use the provided CIFSContext");
        verify(mockCtx, atLeastOnce()).getConfig(); // interaction with dependency
    }

    @Test
    @DisplayName("openConnection with null URL throws NullPointerException")
    void testOpenConnection_NullInput() {
        // Arrange

    void supportsIntegrity_alwaysTrue() {
        assertTrue(ctx.supportsIntegrity());
    }

    @Test
    @DisplayName("calculateMIC returns value from GSS and verifies interaction")
    void calculateMIC_success() throws Exception {
        byte[] data = new byte[] { 1, 2, 3 };
        byte[] mic = new byte[] { 9, 8 };
        when(gssContext.getMIC(eq(data), eq(0), eq(3), any())).thenReturn(mic);