}
  }

  /**
   * @return an array of the proper size with {@code null} as the key of the middle element.
   */
  protected Entry<K, V>[] createArrayWithNullKey() {
    Entry<K, V>[] array = createSamplesArray();
    int nullKeyLocation = getNullLocation();
    Entry<K, V> oldEntry = array[nullKeyLocation];
    array[nullKeyLocation] = entry(null, oldEntry.getValue());
    return array;
  }

  protected V getValueForNullKey() {

import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.mockito.Mock;

   *
   * @param length the length of the array
   */
  public AtomicDoubleArray(int length) {
    this.longs = new AtomicLongArray(length);
  }

  /**
   * Creates a new {@code AtomicDoubleArray} with the same length as, and all elements copied from,
   * the given array.
   *
   * @param array the array to copy elements from
   * @throws NullPointerException if array is null
   */

        // When
        FileEntry[] entries = dfsRootEnum.getEntries();

        // Then
        assertNotNull(entries, "The returned entries array should not be null.");
        assertEquals(0, entries.length, "The entries array should be empty.");
    }

   */
  @CanIgnoreReturnValue
  PrimitiveSink putByte(byte b);

  /**
   * Puts an array of bytes into this sink.
   *
   * @param bytes a byte array
   * @return this instance
   */
  @CanIgnoreReturnValue
  PrimitiveSink putBytes(byte[] bytes);

  /**
   * Puts a chunk of an array of bytes into this sink. {@code bytes[off]} is the first byte written,
   * {@code bytes[off + len - 1]} is the last.
   *

import com.google.common.collect.testing.testers.CollectionSizeTester;
import com.google.common.collect.testing.testers.CollectionToArrayTester;
import com.google.common.collect.testing.testers.CollectionToStringTester;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;

/**
 * Abstract superclass of all test-suite builders for collection interfaces.
 *
 * @author George van den Driessche
 */
@GwtIncompatible

import com.google.common.collect.ForwardingObject;
import com.google.common.collect.Iterables;
import com.google.common.testing.ForwardingWrapperTester;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tester for typical subclass of {@link ForwardingObject} by using Mockito.
 *
 * @author Ben Yu
 */
@NullUnmarked

import com.google.common.collect.ForwardingObject;
import com.google.common.collect.Iterables;
import com.google.common.testing.ForwardingWrapperTester;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tester for typical subclass of {@link ForwardingObject} by using Mockito.
 *
 * @author Ben Yu
 */
@NullUnmarked

  public void testNewReferenceArray_withStringArray() throws Exception {
    String[] array = {"foo", "bar", "baz"};
    AtomicReferenceArray<String> refArray = Atomics.newReferenceArray(array);
    for (int i = 0; i < array.length; ++i) {
      assertThat(refArray.get(i)).isEqualTo(array[i]);
    }
    assertThrows(IndexOutOfBoundsException.class, () -> refArray.get(array.length));
  }

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

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Map;

/**
 * A specialized ArrayList for storing document data with additional metadata.
 * This class extends ArrayList to hold document maps while tracking content size