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

/**
 * Base class for {@link ImmutableSet} and {@link ImmutableSortedSet} tests.
 *
 * @author Kevin Bourrillion
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public abstract class AbstractImmutableSetTest extends TestCase {

  protected abstract <E extends Comparable<? super E>> Set<E> of();

import junit.framework.TestSuite;

/**
 * Generates a test suite covering the {@link List} implementations in the {@link java.util}
 * package. Can be subclassed to specify tests that should be suppressed.
 *
 * @author Kevin Bourrillion
 */
@GwtIncompatible
public class TestsForListsInJavaUtil {
  public static Test suite() {
    return new TestsForListsInJavaUtil().allTests();
  }

  public Test allTests() {

import com.google.common.testing.SerializableTester;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit test for {@link CaseFormat}.
 *
 * @author Mike Bostock
 */
@GwtCompatible
@NullUnmarked
public class CaseFormatTest extends TestCase {

  public void testIdentity() {
    for (CaseFormat from : CaseFormat.values()) {

 * each immutable-collection class. This ensures, for example, that a call written "{@code
 * ImmutableSortedSet.copyOf()}" cannot secretly be a call to {@code ImmutableSet.copyOf()}.
 *
 * @author Chris Povirk
 */
@NullUnmarked
public class FauxveridesTest extends TestCase {
  public void testImmutableBiMap() {
    doHasAllFauxveridesTest(ImmutableBiMap.class, ImmutableMap.class);
  }

import java.lang.reflect.Type;
import java.util.List;
import java.util.Map;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests of {@link TypeResolver}.
 *
 * @author Ben Yu
 */
@AndroidIncompatible // lots of failures, possibly some related to bad equals() implementations?
@NullUnmarked
public class TypeResolverTest extends TestCase {

  public void testWhere_noMapping() {

import junit.framework.TestSuite;

/**
 * Generates a test suite covering the {@link List} implementations in the {@link java.util}
 * package. Can be subclassed to specify tests that should be suppressed.
 *
 * @author Kevin Bourrillion
 */
@GwtIncompatible
public class TestsForListsInJavaUtil {
  public static Test suite() {
    return new TestsForListsInJavaUtil().allTests();
  }

  public Test allTests() {

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.NoSuchElementException;
import junit.framework.TestCase;

/**
 * Unit test for IteratorTester.
 *
 * @author Mick Killianey
 */
@GwtCompatible
@SuppressWarnings("serial") // No serialization is used in this test
public class IteratorTesterTest extends TestCase {

  public void testCanCatchDifferentLengthOfIteration() {

 * each immutable-collection class. This ensures, for example, that a call written "{@code
 * ImmutableSortedSet.copyOf()}" cannot secretly be a call to {@code ImmutableSet.copyOf()}.
 *
 * @author Chris Povirk
 */
@NullUnmarked
public class FauxveridesTest extends TestCase {
  public void testImmutableBiMap() {
    doHasAllFauxveridesTest(ImmutableBiMap.class, ImmutableMap.class);
  }

import java.util.List;
import java.util.Objects;
import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@code GeneralRange}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@NullMarked
public class GeneralRangeTest extends TestCase {
  private static final Ordering<@Nullable Integer> ORDERING =
      Ordering.<Integer>natural().<Integer>nullsFirst();

 * method.
 *
 * <p>The {@code standard} methods and any collection views they return are not guaranteed to be
 * thread-safe, even when all of the methods that they depend on are thread-safe.
 *
 * @author Louis Wasserman
 */
public abstract class ForwardingSortedMultiset<E extends @Nullable Object>
    extends ForwardingMultiset<E> implements SortedMultiset<E> {
  /** Constructor for use by subclasses. */