@Test
    public void test_calculatePageInfo_page0() {
        QueryResponseList qrList;

        qrList = new QueryResponseList(null, 0, 20, 0) {
            @Override
            public int size() {
                return 0;
            }
        };
        qrList.calculatePageInfo();
        assertEquals(20, qrList.getPageSize());
        assertEquals(1, qrList.getCurrentPageNumber());

public class StemmerOverridePager implements Serializable {

    private static final long serialVersionUID = 1L;

    /** The total number of records across all pages. */
    private int allRecordCount;

    /** The total number of pages. */
    private int allPageCount;

    /** Flag indicating whether a previous page exists. */
    private boolean existPrePage;

    /** Flag indicating whether a next page exists. */

    public static final int DEFAULT_PAGE_SIZE = 20;

    /** The default current page number (1-based). */
    public static final int DEFAULT_CURRENT_PAGE_NUMBER = 1;

    /** The total number of records in the result set. */
    private int allRecordCount;

    /** The total number of pages in the result set. */
    private int allPageCount;

    /** Whether a previous page exists. */

        doDelete(entity, null);
    }

    public int queryDelete(CBCall<CrawlingInfoCB> cbLambda) {
        return doQueryDelete(createCB(cbLambda), null);
    }

    public int[] batchInsert(List<CrawlingInfo> list) {
        return batchInsert(list, null, null);
    }

    public int[] batchInsert(List<CrawlingInfo> list, RequestOptionCall<BulkRequestBuilder> call) {

        doDelete(entity, null);
    }

    public int queryDelete(CBCall<ElevateWordCB> cbLambda) {
        return doQueryDelete(createCB(cbLambda), null);
    }

    public int[] batchInsert(List<ElevateWord> list) {
        return batchInsert(list, null, null);
    }

    public int[] batchInsert(List<ElevateWord> list, RequestOptionCall<BulkRequestBuilder> call) {

        doDelete(entity, null);
    }

    public int queryDelete(CBCall<PathMappingCB> cbLambda) {
        return doQueryDelete(createCB(cbLambda), null);
    }

    public int[] batchInsert(List<PathMapping> list) {
        return batchInsert(list, null, null);
    }

    public int[] batchInsert(List<PathMapping> list, RequestOptionCall<BulkRequestBuilder> call) {

        }

        public int hashCode() {
            return parent.hashCode();
        }

        public E get(final int index) {
            return parent.get(index);
        }

        public E set(final int index, final E element) {
            return parent.set(index, element);
        }

        public void add(final int index, final E element) {

        // First add a single value
        transformer.putResultDataBody(dataMap, "numbers", 1);
        assertEquals(1, dataMap.get("numbers"));

        // Add a primitive int array
        int[] newValues = new int[] { 2, 3, 4 };
        transformer.putResultDataBody(dataMap, "numbers", newValues);

        Object result = dataMap.get("numbers");
        assertTrue(result instanceof Object[]);

    }

    @Test
    public void test_execute_multipleErrors() {
        // Test with multiple calls to execute() with errors
        SearchLogHelper mockSearchLogHelper = new SearchLogHelper() {
            private int callCount = 0;

            @Override
            public void storeSearchLog() {
                callCount++;
                throw new RuntimeException("Error " + callCount);
            }
        };

    }

    @Override
    protected String getItemEndpointSuffix() {
        return ITEM_ENDPOINT_SUFFIX;
    }

    @Override
    protected Map<String, Object> createTestParam(int id) {
        final Map<String, Object> requestBody = new HashMap<>();
        return requestBody;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {