import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Unit test for {@code Iterables}.
 *
 * @author Kevin Bourrillion
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public class IterablesTest extends TestCase {

  public void testSize0() {
    Iterable<String> iterable = emptySet();

import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests representing the contract of {@link Map}. Concrete subclasses of this base class test

	Repeat(b, count)

	return
}

// See Issue golang.org/issue/16237
func TestRepeatCatchesOverflow(t *testing.T) {
	type testCase struct {
		s      string
		count  int
		errStr string
	}

	runTestCases := func(prefix string, tests []testCase) {
		for i, tt := range tests {
			err := repeat([]byte(tt.s), tt.count)
			if tt.errStr == "" {
				if err != nil {

import java.util.Random;
import java.util.RandomAccess;
import junit.framework.TestCase;
import org.jspecify.annotations.NonNull;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Unit tests for {@code Ordering}.
 *
 * @author Jesse Wilson
 */
@GwtCompatible
@NullMarked
public class OrderingTest extends TestCase {
  // TODO(cpovirk): some of these are inexplicably slow (20-30s) under GWT

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.atomic.AtomicReference;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link ClosingFuture}. Subclasses exercise either the {@link
 * ClosingFuture#finishToFuture()} or {@link

import java.util.Random;
import java.util.RandomAccess;
import junit.framework.TestCase;
import org.jspecify.annotations.NonNull;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Unit tests for {@code Ordering}.
 *
 * @author Jesse Wilson
 */
@GwtCompatible
@NullMarked
public class OrderingTest extends TestCase {
  // TODO(cpovirk): some of these are inexplicably slow (20-30s) under GWT

import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@link AbstractFuture}.
 *
 * @author Brian Stoler
 */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
public class AbstractFutureTest extends TestCase {
  public void testSuccess() throws ExecutionException, InterruptedException {

import java.util.Properties;
import java.util.Set;
import java.util.SortedMap;
import java.util.SortedSet;
import java.util.TreeMap;
import java.util.concurrent.ConcurrentMap;
import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Unit test for {@code Maps}.
 *
 * @author Kevin Bourrillion
 * @author Mike Bostock
 * @author Jared Levy
 */

    assertEquals(null, sortedMultiset.tailMultiset(c.getElement(), OPEN).firstEntry());
  }

  @CollectionSize.Require(SEVERAL)
  public void testLast() {
    assertEquals(c, sortedMultiset.lastEntry());
  }

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(SEVERAL)
  public void testPollLast() {

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

/**
 * Unit test for {@code Iterators}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullMarked
public class IteratorsTest extends TestCase {

  @J2ktIncompatible
  @GwtIncompatible // suite