target = new SmbPipeHandleImpl(pipe);
    }

    @Test
    @DisplayName("unwrap returns self for assignable type; throws for incompatible and null")
    void testUnwrap() {
        // Happy path: unwrap to concrete type
        SmbPipeHandleImpl unwrapped = target.unwrap(SmbPipeHandleImpl.class);
        assertSame(target, unwrapped);

        verify(tree, times(1)).close();
    }

    @Test
    @DisplayName("unwrap: returns self for compatible type and throws for incompatible")
    @SuppressWarnings({ "rawtypes", "unchecked" })
    void testUnwrap() {
        SmbSessionImpl session = newSession();

        // Happy path: ask for SmbSession and SmbSessionInternal
        assertSame(session, session.unwrap(SmbSessionInternal.class));

            assertEquals("alice", sid.getAccountName());
        }

        @Test
        @DisplayName("unwrap returns this for assignable type; otherwise throws ClassCastException")
        void testUnwrap() throws Exception {
            SID sid = new SID("S-1-5-21-1");
            // Happy path
            assertSame(sid, sid.unwrap(SID.class));
            assertSame(sid, sid.unwrap(Object.class));

        assertEquals("Domain group", sid.getTypeText());
    }

    /**
     * Test the unwrap method.
     *
     * @throws SmbException if the SID string is invalid
     */
    @Test
    void testUnwrap() throws SmbException {
        SID sid = new SID(adminSidString);
        SID unwrapped = sid.unwrap(SID.class);
        assertNotNull(unwrapped);
        assertEquals(sid, unwrapped);

        assertFalse(nbtAddress.isActive(mockContext));
        assertTrue(nbtAddress.isPermanent(mockContext));
        assertArrayEquals(testMacAddress, nbtAddress.getMacAddress(mockContext));
    }

    @Test
    void testUnwrap() {
        // Test unwrap method for correct type casting
        mockName = new Name(mockConfig, "TEST", 0x20, null);
        NbtAddress nbtAddress = new NbtAddress(mockName, testAddressInt, false, NbtAddress.H_NODE);