import org.junit.Test;

/**
 * Abstract base class for testing directed {@link Graph} implementations defined in this package.
 */
@NullUnmarked
public abstract class AbstractStandardDirectedGraphTest extends AbstractGraphTest {

  @Override
  @Test
  public void nodes_checkReturnedSetMutability() {
    assume().that(graphIsMutable()).isTrue();

    Set<Integer> nodes = graph.nodes();

  protected void setUp() {
    future = TestedFuture.create();
    delegate = newDelegate();
  }

  public void testPending() {
    assertPending(future);
  }

  public void testSuccessful() throws Exception {
    assertThat(future.set(1)).isTrue();
    assertSuccessful(future, 1);
  }

  public void testFailed() throws Exception {
    Exception cause = new Exception();

    public String getErrorName() {
        checkSpecifiedProperty("errorName");
        return convertEmptyToNull(errorName);
    }

    public void setErrorName(String value) {
        registerModifiedProperty("errorName");
        this.errorName = value;
    }

    public Long getLastAccessTime() {
        checkSpecifiedProperty("lastAccessTime");
        return lastAccessTime;
    }

 * This class provides configuration for index names, shards, and replicas
 * for the queue, data, and filter indices used by the crawler.
 */
public class OpenSearchCrawlerConfig {
    /**
     * Constructs a new OpenSearchCrawlerConfig.
     */
    public OpenSearchCrawlerConfig() {
        // Default constructor
    }

    /**
     * Queue index name.
     */

          public boolean isDone() {
            return true;
          }

          @Override
          public boolean isCancelled() {
            return false; // BAD!!
          }

          @Override
          public String get() {
            throw new CancellationException(); // BAD!!
          }

          @Override
          public String get(long time, TimeUnit unit) {

import static org.junit.Assert.assertTrue;

import java.lang.reflect.Method;

import org.junit.Test;

/**
 * @author higa
 *
 */
public class StringUtilTest {

    /**
     * @throws Exception
     */
    @Test
    public void testReplace() throws Exception {
        assertEquals("1", "1bc45", StringUtil.replace("12345", "23", "bc"));

    /** User ID for search filtering */
    public String id;

    /** User name for search filtering */
    public String name;

    /** User roles for search filtering */
    public String[] roles;

    /** User groups for search filtering */
    public String[] groups;

    /** Version number for optimistic locking */
    public String versionNo;

    /**

        public InputStream getErrorStream() {
            return null;
        }

        @Override
        public int waitFor() throws InterruptedException {
            return 0;
        }

        @Override
        public int exitValue() {
            return 0;
        }

        @Override
        public void destroy() {
        }
    }

/** Unit tests for CacheBuilder. */
@GwtCompatible
// We are intentionally testing the TimeUnit overloads, too.
@SuppressWarnings("LongTimeUnit_ExpireAfterWrite_Seconds")
@NullUnmarked
public class CacheBuilderTest extends TestCase {

  public void testNewBuilder() {
    CacheLoader<Object, Integer> loader = constantLoader(1);

    LoadingCache<String, Integer> cache =

/** Unit tests for CacheBuilder. */
@GwtCompatible
// We are intentionally testing the TimeUnit overloads, too.
@SuppressWarnings("LongTimeUnit_ExpireAfterWrite_Seconds")
@NullUnmarked
public class CacheBuilderTest extends TestCase {

  public void testNewBuilder() {
    CacheLoader<Object, Integer> loader = constantLoader(1);

    LoadingCache<String, Integer> cache =