import com.google.common.primitives.Ints;
import java.util.Random;
import java.util.concurrent.atomic.AtomicLong;
import org.jspecify.annotations.NullUnmarked;

/**
 * Single-threaded benchmark for {@link LoadingCache}.
 *
 * @author Charles Fry
 */
@NullUnmarked
public class LoadingCacheSingleThreadBenchmark {
  @Param({"1000", "2000"})
  int maximumSize;

  @Param("5000")
  int distinctKeys;

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

/**
 * Tests that the different algorithms benchmarked in {@link QuantilesBenchmark} are actually all
 * returning more-or-less the same answers.
 */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
public class QuantilesAlgorithmTest extends TestCase {

import com.google.common.hash.HashTestUtils.HashFn;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/** Tests for {@link Murmur3_128HashFunction}. */
@NullUnmarked
public class Murmur3Hash128Test extends TestCase {
  public void testKnownValues() {
    assertHash(0, 0x629942693e10f867L, 0x92db0b82baeb5347L, "hell");

import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.io.File;
import java.io.IOException;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link Files#fileTraverser()}.
 *
 * @author Jens Nyman
 */

@NullUnmarked
public class FilesFileTraverserTest extends IoTestCase {

  private File rootDir;

  @Override
  public void setUp() throws IOException {

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

/**
 * Unit tests for any listenable future that chains other listenable futures. Unit tests need only
 * override buildChainingFuture and getSuccessfulResult, but they can add custom tests as needed.
 *
 * @author Nishant Thakkar
 */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible

import java.io.InputStream;
import java.io.OutputStream;
import java.io.StringReader;
import java.io.StringWriter;
import java.util.Random;
import org.jspecify.annotations.NullUnmarked;

/** Benchmark for {@code BaseEncoding} performance. */
@NullUnmarked
public class BaseEncodingBenchmark {
  private static final int INPUTS_COUNT = 0x1000;
  private static final int INPUTS_MASK = 0xFFF;

  enum EncodingOption {

import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.io.File;
import java.io.IOException;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link Files#fileTraverser()}.
 *
 * @author Jens Nyman
 */

@NullUnmarked
public class FilesFileTraverserTest extends IoTestCase {

  private File rootDir;

  @Override
  public void setUp() throws IOException {

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

/**
 * Basher test for {@link AtomicLongMap}.
 *
 * @author mike nonemacher
 */
@J2ktIncompatible // threads
@GwtIncompatible // threads
@NullUnmarked
public class AtomicLongMapBasherTest extends TestCase {
  private final Random random = new Random(301);

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit test for {@link FakeTimeLimiter}.
 *
 * @author Jens Nyman
 */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
public class FakeTimeLimiterTest extends TestCase {

  private static final int DELAY_MS = 50;

import com.google.common.annotations.GwtCompatible;
import com.google.common.escape.UnicodeEscaper;
import org.jspecify.annotations.NullUnmarked;

/**
 * Testing utilities for {@link UrlEscapers} and {@link LegacyUrlEscapersTest}.
 *
 * @author David Beaumont
 */
@GwtCompatible
@NullUnmarked
final class UrlEscaperTesting {
  /**
   * Helper to assert common expected behaviour of uri escapers. You should call