import java.util.concurrent.Future;
import java.util.logging.Logger;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/** Tests for {@link ExecutionSequencer} */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
public class ExecutionSequencerTest extends TestCase {

  ExecutorService executor;

  private ExecutionSequencer serializer;

import java.util.Set;
import java.util.concurrent.ExecutionException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * {@link LoadingCache} tests that deal with empty caches.
 *
 * @author mike nonemacher
 */

@NullUnmarked
public class EmptyCachesTest extends TestCase {

  public void testEmpty() {
    for (LoadingCache<Object, Object> cache : caches()) {

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.Nullable;

/**
 * Tests {@link MapTestSuiteBuilder} by using it against maps that have various negative behaviors.
 *
 * @author George van den Driessche
 */
@AndroidIncompatible // test-suite builders
public final class MapTestSuiteBuilderTests extends TestCase {
  private MapTestSuiteBuilderTests() {}

import java.util.concurrent.TimeoutException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Test for {@link WrappingExecutorService}
 *
 * @author Chris Nokleberg
 */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
public class WrappingExecutorServiceTest extends TestCase {
  private static final String RESULT_VALUE = "ran";

  // Uninteresting delegations

    <!-- Use our fork of this Checkstyle rule, so that we can ignore test classes -->
    <module name="org.elasticsearch.gradle.internal.checkstyle.MissingJavadocTypeCheck">
        <property name="ignorePattern" value="^.*(Tests?|IT|TestCase)$"/>
        <property name="severity" value="warning"/>
        <message key="javadoc.missing" value="Types should explain their purpose" />
    </module>

    <!-- Public methods must have JavaDoc -->

import java.util.concurrent.atomic.AtomicBoolean;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@link GcFinalization}.
 *
 * @author Martin Buchholz
 * @author mike nonemacher
 */

@NullUnmarked
public class GcFinalizationTest extends TestCase {

  // ----------------------------------------------------------------

import java.util.Arrays;
import java.util.Random;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link Crc32c}. Known test values are from RFC 3720, Section B.4.
 *
 * @author Patrick Costello
 * @author Kurt Alfred Kluever
 */
@NullUnmarked
public class Crc32cHashFunctionTest extends TestCase {
  public void testEmpty() {
    assertCrc(0, new byte[0]);
  }

import java.util.Map;
import java.util.Map.Entry;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@code CompactLinkedHashMap}.
 *
 * @author Louis Wasserman
 */
@NullUnmarked
public class CompactLinkedHashMapTest extends TestCase {
  @AndroidIncompatible // test-suite builders
  public static Test suite() {

import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.reflect.Method;
import java.util.Set;
import junit.framework.TestCase;

/**
 * @author George van den Driessche
 */
public class FeatureUtilTest extends TestCase {
  enum ExampleFeature implements Feature<Object> {
    FOO,
    IMPLIES_FOO,
    IMPLIES_IMPLIES_FOO,
    BAR,
    IMPLIES_BAR,

import static java.util.Collections.singleton;
import static java.util.Collections.unmodifiableList;
import static junit.framework.TestCase.assertEquals;
import static junit.framework.TestCase.assertTrue;
import static junit.framework.TestCase.fail;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.LinkedHashMultiset;