void hasCapability_variousCaps_returnsTrue_andCapturesArgument(int cap) throws Exception {
        // Arrange: stub to return true regardless of input
        when(handle.hasCapability(anyInt())).thenReturn(true);

        // Act
        boolean result = handle.hasCapability(cap);

        // Assert: verify return and the captured argument equals input
        assertTrue(result);

            // Arrange
            when(mockCtx.getSigningKey()).thenReturn(new byte[] { 7 });
            when(mockCtx.isEstablished()).thenReturn(true);
            when(mockCtx.initSecContext(any(byte[].class), anyInt(), anyInt())).thenReturn(new byte[] { 9 });
            when(mockCtx.getNetbiosName()).thenReturn("NB");
            when(mockCtx.isSupported(any())).thenReturn(true);
            when(mockCtx.isPreferredMech(any())).thenReturn(false);

    }

    @Test
    @DisplayName("unwrap method should return correct type when supported")
    void testUnwrapMethodContract() throws Exception {
        // Given
        when(mockAddress.unwrap(Address.class)).thenReturn(mockAddress);

        // When & Then
        Address unwrapped = mockAddress.unwrap(Address.class);
        assertSame(mockAddress, unwrapped, "Should return same instance for supported type");
    }

    @Test

    void setUp() {
        Arrays.fill(TEST_FILE_ID, (byte) 0x42);
    }

    private void setupMockConfig() {
        when(mockConfig.getTransactionBufferSize()).thenReturn(65536);
    }

    private void setupMockContext() {
        when(mockContext.getConfig()).thenReturn(mockConfig);
    }

    @Test
    @DisplayName("Test constructor with config and control code")
    void testConstructorWithConfigAndControlCode() {

        Mockito.when(mockContext.getConfig()).thenReturn(mockConfig);
        Mockito.when(mockContext.getCredentials()).thenReturn(mockCredentials);
        Mockito.when(mockCredentials.unwrap(Mockito.any())).thenReturn(mockCredentialsInternal);
        Mockito.when(mockCredentialsInternal.clone()).thenReturn(mockCredentialsInternal);
        Mockito.when(mockTransport.acquire()).thenReturn(mockTransport);
    }

    /**

        when(build.getDirectory()).thenReturn("target");
        when(build.getOutputDirectory()).thenReturn("target/classes");
        when(build.getTestOutputDirectory()).thenReturn("target/test-classes");

        Project project = mock(Project.class);
        when(project.getBuild()).thenReturn(build);
        when(project.getBasedir()).thenReturn(Path.of("myproject"));

        // Set different levels
        when(basicInfo.getFileInformationLevel()).thenReturn(FileInformation.FILE_BASIC_INFO);
        when(standardInfo.getFileInformationLevel()).thenReturn(FileInformation.FILE_STANDARD_INFO);
        when(internalInfo.getFileInformationLevel()).thenReturn(FileInformation.FILE_INTERNAL_INFO);

        // Verify each has correct level

            SmbResourceLocator locator = mock(SmbResourceLocator.class);
            when(parent.getLocator()).thenReturn(locator);
            // Host is empty -> triggers master browser path
            URL anyUrlWithEmptyHost = new URL("file:/");
            when(locator.getURL()).thenReturn(anyUrlWithEmptyHost);
            // Simulate failure to find master browser (UnknownHost wrapped in CIFSException)

        lenient().when(UniAddress.getByName("domain.com", true)).thenReturn(uniAddress);
        lenient().when(SmbTransport.getSmbTransport(uniAddress, 0)).thenReturn(smbTransport);

        DfsReferral referral = new DfsReferral();
        referral.server = "dc1.domain.com";
        referral.next = referral;
        lenient().when(smbTransport.getDfsReferrals(auth, "\\domain.com", 1)).thenReturn(referral);

        when(file.openUnshared(anyInt(), anyInt(), anyInt(), anyInt(), anyInt())).thenReturn(fh);
        when(fh.acquire()).thenReturn(fh);
        when(fh.isValid()).thenReturn(true);
        when(fh.getTree()).thenReturn(tree);
        when(fh.getFileId()).thenReturn(new byte[16]);
        when(fh.getFid()).thenReturn(1);

        // build via package-private constructor to control unshared flag