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

/**
 * Tests for {@link Monitor}, either interruptible or uninterruptible.
 *
 * @author Justin T. Sampson
 */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
public abstract class MonitorTestCase extends TestCase {

  public class TestGuard extends Monitor.Guard {

   * Registers a TearDown implementor which will be run after the test proper.
   *
   * <p>In JUnit4 language, that means as an {@code @After}.
   *
   * <p>In JUnit3 language, that means during the {@link junit.framework.TestCase#tearDown()} step.
   */
  void addTearDown(TearDown tearDown);

   * Registers a TearDown implementor which will be run after the test proper.
   *
   * <p>In JUnit4 language, that means as an {@code @After}.
   *
   * <p>In JUnit3 language, that means during the {@link junit.framework.TestCase#tearDown()} step.
   */
  void addTearDown(TearDown tearDown);

import java.util.Collections;
import java.util.List;
import java.util.Random;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for AbstractStreamingHasher.
 *
 * @author Dimitris Andreou
 */
@NullUnmarked
public class AbstractStreamingHasherTest extends TestCase {
  public void testBytes() {
    Sink sink = new Sink(4); // byte order insignificant here

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

/**
 * Tests for {@link HostAndPort}
 *
 * @author Paul Marks
 */
@GwtCompatible
@NullUnmarked
public class HostAndPortTest extends TestCase {

  public void testFromStringWellFormed() {
    // Well-formed inputs.

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

/**
 * Unit tests for {@code ArrayListMultimap}.
 *
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public class ArrayListMultimapTest extends TestCase {

  @GwtIncompatible // suite
  @J2ktIncompatible

import java.math.BigInteger;
import java.math.RoundingMode;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link MathPreconditions}.
 *
 * @author Ben Yu
 */
@GwtCompatible
@NullUnmarked
public class MathPreconditionsTest extends TestCase {

  public void testCheckPositive_zeroInt() {

import com.google.common.testing.FakeTicker;
import java.time.Duration;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit test for {@link Stopwatch}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullUnmarked
public class StopwatchTest extends TestCase {

  private final FakeTicker ticker = new FakeTicker();

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

/**
 * Test suite covering {@link Bytes#asList(byte[])}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullUnmarked
@AndroidIncompatible // test-suite builders
public class ByteArrayAsListTest extends TestCase {

  private static List<Byte> asList(Byte[] values) {

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

/**
 * Test suite covering {@link Longs#asList(long[])}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullUnmarked
@AndroidIncompatible // test-suite builders
public class LongArrayAsListTest extends TestCase {

  private static List<Long> asList(Long[] values) {