import java.util.stream.Collectors;
import java.util.stream.Stream;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Unit tests for {@link ClassSanityTester}.
 *
 * @author Ben Yu
 */
@NullUnmarked
public class ClassSanityTesterTest extends TestCase {

  private final ClassSanityTester tester = new ClassSanityTester();

import java.util.regex.Pattern;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Unit test for {@link Predicates}.
 *
 * @author Kevin Bourrillion
 */
@NullMarked
@GwtCompatible
public class PredicatesTest extends TestCase {
  private static final Predicate<@Nullable Integer> TRUE = Predicates.alwaysTrue();

import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;
import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;

/**
 * @author Julien Silland
 */
@NullMarked
@GwtCompatible
public class SplitterTest extends TestCase {

  private static final Splitter COMMA_SPLITTER = Splitter.on(',');

  public void testSplitNullString() {

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

/**
 * Unit test for {@link Booleans}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullMarked
public class BooleansTest extends TestCase {
  private static final boolean[] EMPTY = {};

import java.math.RoundingMode;
import java.util.EnumSet;
import java.util.Random;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for LongMath.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@NullUnmarked
public class LongMathTest extends TestCase {
  @SuppressWarnings("ConstantOverflow")
  public void testMaxSignedPowerOfTwo() {

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

/**
 * Unit test for {@link Doubles}.
 *
 * @author Kevin Bourrillion
 */
@NullMarked
@GwtCompatible
public class DoublesTest extends TestCase {
  private static final double[] EMPTY = {};
  private static final double[] ARRAY1 = {1.0};

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

/**
 * Unit test for {@link Longs}.
 *
 * @author Kevin Bourrillion
 */
@NullMarked
@GwtCompatible
public class LongsTest extends TestCase {
  private static final long[] EMPTY = {};
  private static final long[] ARRAY1 = {1L};

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

/**
 * Unit test for {@link Shorts}.
 *
 * @author Kevin Bourrillion
 */
@NullMarked
@GwtCompatible
public class ShortsTest extends TestCase {
  private static final short[] EMPTY = {};
  private static final short[] ARRAY1 = {(short) 1};

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

/**
 * Tests for {@link ImmutableMap}.
 *
 * @author Kevin Bourrillion
 * @author Jesse Wilson
 */
@GwtCompatible
@SuppressWarnings("AlwaysThrows")
@NullMarked
public class ImmutableMapTest extends TestCase {

  @J2ktIncompatible

import java.lang.ref.Reference;
import java.util.concurrent.atomic.AtomicReferenceArray;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * @author Charles Fry
 */
@SuppressWarnings("deprecation") // many tests of deprecated methods
@NullUnmarked
public class MapMakerInternalMapTest extends TestCase {

  static final int SMALL_MAX_SIZE = DRAIN_THRESHOLD * 5;

  private static <K, V>