import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit tests for {@link Futures}.
 *
 * @author Nishant Thakkar
 */
@ElementTypesAreNonnullByDefault
@GwtCompatible(emulated = true)

    /** The key of the message: The check digit for ${value} is invalid, Luhn Modulo 10 checksum failed. */
    public static final String CONSTRAINTS_LuhnCheck_MESSAGE = "{constraints.LuhnCheck.message}";

    /** The key of the message: The check digit for ${value} is invalid, Modulo 10 checksum failed. */

  private static String checkString(
      int length, int percent, String matchingChars, Random rand, boolean forceSlow, boolean web) {
    // Check whether we should ignore everything else and pull from the web.
    if (web) {
      StringBuilder builder = new StringBuilder(length);
      CharSamples sampler = new CharSamples(rand);

import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit tests for {@link Futures}.
 *
 * @author Nishant Thakkar
 */
@ElementTypesAreNonnullByDefault
@GwtCompatible(emulated = true)

import java.util.concurrent.atomic.AtomicReferenceArray;
import java.util.logging.LogRecord;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.checkerframework.checker.nullness.qual.Nullable;

/** @author Charles Fry */
@SuppressWarnings("GuardedBy") // TODO(b/35466881): Fix or suppress.
public class LocalCacheTest extends TestCase {

import java.util.concurrent.atomic.AtomicReferenceArray;
import java.util.logging.LogRecord;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.checkerframework.checker.nullness.qual.Nullable;

/** @author Charles Fry */
@SuppressWarnings("GuardedBy") // TODO(b/35466881): Fix or suppress.
public class LocalCacheTest extends TestCase {

import java.util.function.Function;
import java.util.function.Predicate;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * The concurrent hash map implementation built by {@link CacheBuilder}.
 *
 * <p>This implementation is heavily derived from revision 1.96 of <a

       * prototype checker's JDK. However, the checker still sees the return type as plain
       * `Enumeration<?>`, probably because of one of the following two bugs (and maybe those two
       * bugs are themselves just symptoms of the same underlying problem):
       *
       * https://github.com/typetools/checker-framework/issues/3030
       *

     * empty at any point. (The sum ensures accuracy up through at least 1<<31 per-segment
     * modifications before recheck.) Method containsValue() uses similar constructions for
     * stability checks.
     */
    long sum = 0L;
    Segment<K, V>[] segments = this.segments;
    for (Segment<K, V> segment : segments) {
      if (segment.count != 0) {
        return false;
      }

import java.util.concurrent.Future;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.atomic.AtomicReference;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A step in a pipeline of an asynchronous computation. When the last step in the computation is
 * complete, some objects captured during the computation are closed.
 *