67108864,
            134217728,
            268435456,
            536870912,
            1073741824)
        .inOrder();
  }

  @SuppressWarnings("DoNotCall")
  public void testEmpty() {
    Iterator<Object> empty = new EmptyAbstractSequentialIterator<>();
    assertFalse(empty.hasNext());
    assertThrows(NoSuchElementException.class, empty::next);

 *
 * @author Patrick Costello
 * @author Kurt Alfred Kluever
 */
@NullUnmarked
public class Crc32cHashFunctionTest extends TestCase {
  public void testEmpty() {
    assertCrc(0, new byte[0]);
  }

  public void testZeros() {
    // Test 32 byte array of 0x00.
    byte[] zeros = new byte[32];
    assertCrc(0x8a9136aa, zeros);
  }

import java.util.Collections;
import java.util.Map;

import org.apache.groovy.util.Maps;
import org.codelibs.fess.unit.UnitFessTestCase;

public class FieldConfigsTest extends UnitFessTestCase {
    public void test_empty() {
        final FieldConfigs fieldConfigs = new FieldConfigs(Collections.emptyMap());
        assertTrue(fieldConfigs.getConfig("test").isEmpty());
    }

    public void test_values() {