doNothing().when(mockHandle).sendrecv(any(MsrpcSamrConnect4.class));

        SamrPolicyHandle handle = new SamrPolicyHandle(mockHandle, server, access);
        handle.close(); // First close
        handle.close(); // Second close

        // Verify sendrecv for close was called only once
        verify(mockHandle, times(1)).sendrecv(any(MsrpcSamrCloseHandle.class));
    }

    @Test

        assertSame(session, session.unwrap(SmbSessionInternal.class));
        assertSame(session, session.unwrap(jcifs.SmbSession.class));

        // Edge: force incompatible class via raw type to trigger ClassCastException
        assertThrows(ClassCastException.class, () -> session.unwrap((Class) String.class));
    }

    @Test
    @DisplayName("toString contains key identifiers")

            close();
            throw new NbtException(NbtException.ERR_SSN_SRVC, errorCode);
        case -1:
            throw new NbtException(NbtException.ERR_SSN_SRVC, NbtException.CONNECTION_REFUSED);
        default:
            close();
            throw new NbtException(NbtException.ERR_SSN_SRVC, 0);
        }
    }

    @Override
    public void close() throws IOException {

        for (final BooleanClause clause : booleanQuery.clauses()) {
            final QueryBuilder queryBuilder = getQueryProcessor().execute(context, clause.query(), boost);
            if (queryBuilder != null) {
                switch (clause.occur()) {
                case MUST:
                    boolQuery.must(queryBuilder);
                    break;
                case SHOULD:

        Request<CommonServerMessageBlockResponse> req = mock(Request.class);
        CommonServerMessageBlockResponse resp = mock(CommonServerMessageBlockResponse.class);

        // Stub tree send for varargs
        when(treeConnection.send(eq(resourceLoc), any(CommonServerMessageBlockRequest.class), isNull(), any(RequestParam[].class)))
                .thenReturn(resp);

        }

        @Test
        @DisplayName("Should allow close method to be called multiple times")
        void shouldAllowMultipleCloseCallsOnMock() throws Exception {
            SmbSession mockSession = mock(SmbSession.class);
            doNothing().when(mockSession).close();

            assertDoesNotThrow(() -> {
                mockSession.close();
                mockSession.close();

        TestIterator iterator = new TestIterator(null);
        iterator.close();

        verify(delegate).close();
    }

    @Test
    @DisplayName("Close propagates exception")
    void closeException() throws CIFSException {
        when(delegate.hasNext()).thenReturn(false);
        doThrow(new CIFSException("Close failed")).when(delegate).close();

        TestIterator iterator = new TestIterator(null);

				createTableSQL += "CONSTRAINT ? UNIQUE (?),"
				values = append(values, clause.Column{Name: uni.Name}, clause.Expr{SQL: stmt.Quote(uni.Field.DBName)})
			}

			for _, chk := range stmt.Schema.ParseCheckConstraints() {
				createTableSQL += "CONSTRAINT ? CHECK (?),"
				values = append(values, clause.Column{Name: chk.Name}, clause.Expr{SQL: chk.Constraint})
			}

            return "";
        }
        return switch (mimeType) {
        case "image/gif" -> ".gif";
        case "image/tiff" -> ".tiff";
        case "image/svg+xml" -> ".svg";
        case "image/jpeg" -> ".jpg";
        case "image/png" -> ".png";
        case "image/bmp", "image/x-windows-bmp", "image/x-ms-bmp" -> ".bmp";

        h.acquire();

        // First release: should not close yet
        h.release();
        verify(tree, never()).send(isA(Smb2CloseRequest.class), any());
        verify(tree, never()).send(any(CommonServerMessageBlockRequest.class), any(SmbComBlankResponse.class), any(RequestParam[].class));

        // Second release: should close now via SMB2 path
        h.release();