import org.codelibs.opensearch.runner.OpenSearchRunner;
import org.opensearch.core.common.Strings;

import junit.framework.TestCase;

public class SuggesterBuilderTest extends TestCase {
    OpenSearchRunner runner;

    @Override
    public void setUp() throws Exception {
        runner = new OpenSearchRunner();
        runner.onBuild((number, settingsBuilder) -> {

@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class CollectionIsEmptyTester<E> extends AbstractCollectionTester<E> {
  @CollectionSize.Require(ZERO)
  public void testIsEmpty_yes() {
    assertTrue("isEmpty() should return true", collection.isEmpty());
  }

  @CollectionSize.Require(absent = ZERO)
  public void testIsEmpty_no() {
    assertFalse("isEmpty() should return false", collection.isEmpty());

import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

@RunWith(JUnit4.class)
@NullUnmarked
public final class InvalidatableSetTest {
  Set<Integer> wrappedSet;
  Set<Integer> copyOfWrappedSet;
  InvalidatableSet<Integer> setToTest;

  @Before
  public void createSets() {
    wrappedSet = new HashSet<>();
    wrappedSet.add(1);
    wrappedSet.add(2);
    wrappedSet.add(3);

@GwtCompatible
public enum MultimapFeature implements Feature<Multimap> {
  VALUE_COLLECTIONS_SUPPORT_ITERATOR_REMOVE;

  private final Set<Feature<? super Multimap>> implied;

  MultimapFeature(Feature<? super Multimap>... implied) {
    this.implied = copyToSet(implied);
  }

  @Override
  public Set<Feature<? super Multimap>> getImpliedFeatures() {
    return implied;
  }

/**
 * Proto {@link Logger} that just passes to functioning {@link org.slf4j.Logger} instance.
 */
public class Slf4jLogger implements Logger {
    private final org.slf4j.Logger logger;

    public Slf4jLogger(org.slf4j.Logger logger) {
        this.logger = requireNonNull(logger, "logger");
    }

    @Override
    public void log(Level level, String message, Throwable error) {
        requireNonNull(level, "level");

import org.opensearch.index.IndexSettings;
import org.opensearch.index.analysis.AbstractTokenFilterFactory;

public class ReloadableKeywordMarkerFilterFactory extends AbstractTokenFilterFactory {

    private final Path keywordPath;

    private final long reloadInterval;

    public ReloadableKeywordMarkerFilterFactory(final IndexSettings indexSettings, final Environment environment, final String name,

import org.opensearch.index.IndexSettings;
import org.opensearch.index.analysis.AbstractTokenFilterFactory;

public class ReloadableStopFilterFactory extends AbstractTokenFilterFactory {

    private final Path stopwordPath;

    private final long reloadInterval;

    private final boolean ignoreCase;

    public ReloadableStopFilterFactory(final IndexSettings indexSettings, final Environment environment, final String name,

/**
 * Unit test for {@link HashMultiset}.
 *
 * @author Kevin Bourrillion
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public class HashMultisetTest extends TestCase {

  @J2ktIncompatible
  @GwtIncompatible // suite
  @AndroidIncompatible // test-suite builders
  public static Test suite() {
    TestSuite suite = new TestSuite();
    suite.addTest(
        MultisetTestSuiteBuilder.using(hashMultisetGenerator())

 *
 * @author Justin T. Sampson
 */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
public class SupplementalMonitorTest extends TestCase {

  public void testLeaveWithoutEnterThrowsIMSE() {
    Monitor monitor = new Monitor();
    assertThrows(IllegalMonitorStateException.class, monitor::leave);
  }

  public void testGetWaitQueueLengthWithWrongMonitorThrowsIMSE() {
    Monitor monitor1 = new Monitor();

 *
 * @author Justin T. Sampson
 */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
public class SupplementalMonitorTest extends TestCase {

  public void testLeaveWithoutEnterThrowsIMSE() {
    Monitor monitor = new Monitor();
    assertThrows(IllegalMonitorStateException.class, monitor::leave);
  }

  public void testGetWaitQueueLengthWithWrongMonitorThrowsIMSE() {
    Monitor monitor1 = new Monitor();