* {@link org.codelibs.core.collection.CollectionsUtil#isEmpty(java.util.Map)}
     * .
     */
    @Test
    public void testIsEmptyMapOfQQ() {
        HashMap<String, String> map = null;
        assertThat(CollectionsUtil.isEmpty(map), is(true));
        map = new HashMap<String, String>();
        assertThat(CollectionsUtil.isEmpty(map), is(true));
    }

    /**
     * Test method for

        final Map<String, Object> requestBody = new HashMap<>();
        final String keyProp = NAME_PREFIX + id;
        requestBody.put(KEY_PROPERTY, keyProp);
        requestBody.put("web_config_id", getWebConfigId());
        return requestBody;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {
        final Map<String, Object> updateMap = new HashMap<>();

        when(conn.getHeaderField(0)).thenReturn(statusLine);

        // Mock getHeaderFields to return our headers
        Map<String, List<String>> allHeaders = headers != null ? new HashMap<>(headers) : new HashMap<>();
        allHeaders.put(null, Collections.singletonList(statusLine)); // Status line
        when(conn.getHeaderFields()).thenReturn(allHeaders);

        final Map<String, Object> requestBody = new HashMap<>();
        final String keyProp = NAME_PREFIX + id;
        requestBody.put(KEY_PROPERTY, keyProp);
        return requestBody;
    }

    private static final String NEW_SUFFIX = "_new";

    @Override
    protected Map<String, Object> getUpdateMap() {
        final Map<String, Object> requestBody = new HashMap<>();

        Map<String, Object> regularMap = new HashMap<>();
        regularMap.put("key1", "value1");

        Map<String, Object> result = DataStoreParams.getDataMap(regularMap);
        assertSame(regularMap, result);
    }

    // Test protected constructor with Map parameter
    public void test_protectedConstructor() {
        Map<String, Object> inputMap = new HashMap<>();
        inputMap.put("key1", "value1");

        // Create a mock crawlingInfoHelper that tracks status updates
        final Map<String, String> statusMap = new HashMap<>();
        CrawlingInfoHelper testCrawlingInfoHelper = new CrawlingInfoHelper() {
            private final Map<String, String> infoMap = new HashMap<>();

            @Override
            public void store(String sessionId, boolean running) {
                // Track the final status

            final Map<String, String> hmap = new HashMap<String, String>();
            final Map<String, String> cimap = new CaseInsensitiveMap<String>();

            long start = System.currentTimeMillis();
            for (int i = 0; i < num; i++) {
                hmap.put("a" + String.valueOf(i), null);
            }
            System.out.println("HashMap.put:" + (System.currentTimeMillis() - start));

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.entity;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.codelibs.fess.Constants;
import org.codelibs.fess.mylasta.direction.FessConfig;

    @Override
    protected final Map<String, String> create(Entry<String, String>[] entries) {
      HashMap<String, String> map = new HashMap<>();
      for (Entry<String, String> entry : entries) {
        map.put(entry.getKey(), entry.getValue());
      }
      return wrap(map);
    }

    abstract Map<String, String> wrap(HashMap<String, String> map);
  }

  private static TestSuite wrappedHashMapTests(

        // Create nested map structure
        Map<String, Object> nestedMap = new HashMap<>();
        nestedMap.put("nested_key", "nested_value");

        Map<String, Object> sourceMap = new HashMap<>();
        sourceMap.put("string", "test");
        sourceMap.put("integer", 42);
        sourceMap.put("long", 100L);
        sourceMap.put("double", 3.14);