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.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};
  private static final long[] ARRAY234 = {2L, 3L, 4L};

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};

 * absolutely necessary.
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/CollectionUtilitiesExplained#iterables">{@code
 * Iterables}</a>.
 *
 * @author Kevin Bourrillion
 * @author Jared Levy
 * @since 2.0
 */
@GwtCompatible
public final class Iterables {
  private Iterables() {}

  /** Returns an unmodifiable view of {@code iterable}. */

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

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

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

/**
 * Unit test for {@link Ints}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullMarked
@SuppressWarnings("cast") // redundant casts are intentional and harmless
public class IntsTest extends TestCase {
  private static final int[] EMPTY = {};

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

/**
 * Unit test for {@code Lists}.
 *
 * @author Kevin Bourrillion
 * @author Mike Bostock
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public class ListsTest extends TestCase {

  private static final Collection<Integer> SOME_COLLECTION = asList(0, 1, 1);

import java.util.Set;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;

/**
 * Unit test for {@link CharMatcher}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullMarked
public class CharMatcherTest extends TestCase {

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testStaticNullPointers() throws Exception {

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

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

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();