import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentSkipListMap;
import org.jspecify.annotations.NullUnmarked;

/**
 * A microbenchmark that tests the performance of get() and iteration on various map
 * implementations. Forked from {@link SetContainsBenchmark}.
 *
 * @author Nicholaus Shupe
 */

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

/**
 * Tests for {@code EnumHashBiMap}.
 *
 * @author Mike Bostock
 */
@J2ktIncompatible // EnumHashBiMap
@GwtCompatible
@NullUnmarked

import static java.nio.charset.StandardCharsets.UTF_8;

import com.google.common.hash.HashTestUtils.HashFn;
import java.nio.charset.Charset;
import java.util.Random;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/** Tests for {@link Murmur3_32HashFunction}. */
@NullUnmarked
public class Murmur3Hash32Test extends TestCase {
  public void testKnownIntegerInputs() {

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullUnmarked;

/**
 * Collection tests on wrappers from {@link Multisets}.
 *
 * @author Jared Levy
 */
@GwtIncompatible // suite // TODO(cpovirk): set up collect/gwt/suites version
@NullUnmarked

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

// TODO(cpovirk): Should this be merged into UninterruptiblesTest?
/**
 * Unit test for {@link Uninterruptibles#getUninterruptibly}
 *
 * @author Kevin Bourrillion
 * @author Chris Povirk

import com.google.common.annotations.J2ktIncompatible;
import java.io.InvalidObjectException;
import java.io.ObjectInputStream;
import java.io.Serializable;
import java.util.Collection;
import org.jspecify.annotations.Nullable;

/**
 * An implementation of {@link ContiguousSet} that contains one or more elements.
 *
 * @author Gregory Kick
 */
@GwtCompatible

import java.util.Collection;
import java.util.EnumMap;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.jspecify.annotations.NullMarked;

/**
 * Generators of different types of map and related collections, such as keys, entries and values.
 *
 * @author Hayward Chan
 */
@GwtCompatible
@NullMarked

import java.io.IOException;
import java.io.OutputStream;
import java.lang.ref.WeakReference;
import java.nio.file.attribute.PosixFileAttributeView;
import java.nio.file.attribute.PosixFileAttributes;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link FileBackedOutputStream}.
 *
 * <p>For a tiny bit more testing, see {@link FileBackedOutputStreamAndroidIncompatibleTest}.
 *
 * @author Chris Nokleberg
 */

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullUnmarked;

/**
 * Collection tests on wrappers from {@link Multisets}.
 *
 * @author Jared Levy
 */
@GwtIncompatible // suite // TODO(cpovirk): set up collect/gwt/suites version
@NullUnmarked

import static java.nio.charset.StandardCharsets.UTF_8;

import com.google.common.hash.HashTestUtils.HashFn;
import java.nio.charset.Charset;
import java.util.Random;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/** Tests for {@link Murmur3_32HashFunction}. */
@NullUnmarked
public class Murmur3Hash32Test extends TestCase {
  public void testKnownIntegerInputs() {