}

    @Test
    @DisplayName("getFlags delegates to underlying mechanism context")
    void testGetFlagsDelegates() {
        SpnegoContext ctx = newContext();
        when(this.mechContext.getFlags()).thenReturn(0xCAFE);
        assertEquals(0xCAFE, ctx.getFlags());
        verify(this.mechContext, times(1)).getFlags();
    }

    @Test
    @DisplayName("dispose delegates to underlying mechanism context")

    @Test
    @DisplayName("Constructor acquires tree connection; getConfig/isConnected delegate")
    void constructorAndSimpleDelegations() {
        // Ensures constructor acquires tree connection and simple delegate methods forward correctly
        // Verify constructor invoked acquire once
        verify(treeConnection, times(1)).acquire();

        // getConfig delegates
        when(treeConnection.getConfig()).thenReturn(config);

        assertTrue(ex.getMessage().contains("boom"));
    }

    @Test
    @DisplayName("ensureTreeConnected delegates to handle")
    void ensureTreeConnected_delegates() throws Exception {
        // Verify ensureTreeConnected() delegates to SmbPipeHandleImpl
        SmbPipeInputStream stream = newStreamWithMinimalStubs(true);
        when(handle.ensureTreeConnected()).thenReturn(tree);

        // Act
        return new SmbPipeOutputStream(handle, tree);
    }

    @ParameterizedTest
    @ValueSource(booleans = { true, false })
    @DisplayName("isOpen delegates to handle.isOpen")
    void isOpen_delegates(boolean state) throws Exception {
        // Arrange
        SmbPipeOutputStream out = newStream();
        when(handle.isOpen()).thenReturn(state);

        // Act

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

    @Test
    @DisplayName("remove() delegates to underlying iterator")
    void removeDelegates() {
        // Arrange: no elements - no parent setup needed since no URLs are created
        when(delegate.hasNext()).thenReturn(false);
        NetServerFileEntryAdapterIterator itr = new NetServerFileEntryAdapterIterator(parent, delegate, null);

        // Act

    void emptyIterator() {
        when(delegate.hasNext()).thenReturn(false);

        TestIterator iterator = new TestIterator(null);

        assertFalse(iterator.hasNext());
        assertNull(iterator.next());
    }

    @Test
    @DisplayName("Close delegates to underlying iterator")
    void closeDelegation() throws CIFSException {
        when(delegate.hasNext()).thenReturn(false);

        verify(tree).send(captor.capture(), any());
        assertNotNull(captor.getValue());
    }

    @Test
    @DisplayName("recv delegates to input.readDirect and returns its value")
    void testRecvDelegation() throws Exception {
        SmbPipeHandleImpl spyTarget = spy(target);
        SmbPipeInputStream in = mock(SmbPipeInputStream.class);

            byte[] arr = new byte[12];
            assertEquals(0, response.readBytesWireFormat(arr, idx));
        }
    }

    @Test
    @DisplayName("toString contains class name and delegates to superclass")
    void toStringMatches() {
        String s = response.toString();
        assertNotNull(s);
        assertTrue(s.startsWith("SmbComSetInformationResponse["));
        assertTrue(s.endsWith("]"));

     *
     * @param delegate
     *            context to delegate non-override methods to
     *
     */
    public CIFSContextWrapper(final CIFSContext delegate) {
        this.delegate = delegate;
    }

    /**
     * {@inheritDoc}
     *
     * @throws CIFSException if the URL is malformed or there is an error creating the SMB resource
     *
     * @see jcifs.CIFSContext#get(java.lang.String)
     */
    @Override

            }
        };

        // When/Then
        assertThrows(CIFSException.class, () -> iterator.close(), "Should propagate exception from delegate close");
    }

    /**
     * Test remove method delegates to underlying iterator.
     */
    @Test
    void testRemove() {
        // Given
        when(mockDelegate.hasNext()).thenReturn(true, false);