synchronized (this) {
                    if ((v = value) == null) {
                        try {
                            v = value = supplier.get();
                        } catch (Exception e) {
                            v = value = new AltRes(e);
                        }
                    }
                }
            }
            if (v instanceof AltRes) {

 * @author shinsuke
 *
 */
public class UrlFilterImplTest extends PlainTestCase {
    public UrlFilterImpl urlFilter;

    public MemoryDataHelper dataHelper;

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        StandardCrawlerContainer container = new StandardCrawlerContainer().singleton("dataHelper", MemoryDataHelper.class)//
                .singleton("urlFilterService", UrlFilterServiceImpl.class)//

    @Override
    @J2ktIncompatible // serialization
    @GwtIncompatible // serialization
    Object writeReplace() {
      return super.writeReplace();
    }
  }

  /**
   * Guaranteed to throw an exception and leave the list unmodified.
   *
   * @throws UnsupportedOperationException always
   * @deprecated Unsupported operation.
   */
  @CanIgnoreReturnValue
  @Deprecated
  @Override

   * | :-------------------------------- | :---------------------- | :---------------------- |
   * | `http://host/`                    | exception               | exception               |
   * | `http://host/?`                   | `""`                    | exception               |
   * | `http://host/?a=apple&k=key+lime` | `"a"`                   | `"k"`                   |

        }
        duplicates.put(effectiveEntry, true);
        dupCount++;
        // Make sure we are not overwriting the original entries array, in case we later do
        // buildOrThrow(). We would want an exception to include two values for the duplicate key.
        if (entries == entryArray) {
          // Temporary variable is necessary to defeat bad smartcast (entries adopting the type of

    assertEquals(a, b);
  }

  @SuppressWarnings("TestExceptionChecker") // see comment below
  public <T> void testVariableTypeTokenNotAllowed() {
    /*
     * We'd use assertThrows here, but that causes no exception to be thrown under Java 8,
     * presumably because the ThrowingRunnable lambda triggers some kind of bug in Java 8's
     * reflection implementation.
     */
    try {
      new TypeToken<T>() {};
      fail();

import org.apache.maven.wagon.proxy.ProxyInfo;
import org.apache.maven.wagon.repository.Repository;
import org.codehaus.plexus.PlexusContainer;
import org.codehaus.plexus.component.repository.exception.ComponentLifecycleException;
import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
import org.codehaus.plexus.logging.Logger;
import org.eclipse.aether.ConfigurationProperties;
import org.eclipse.aether.util.ConfigUtils;

            try {
                jobLogService.delete(entity);
                saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)));
            }

    }

    public void test_getUsedMemory() {
        assertTrue(MemoryUtil.getUsedMemory() >= 0);
    }

    public void test_sizeOf() throws Exception {
        // System.out.println("size: " + getObjectSize(""));
        assertEquals(24L, MemoryUtil.sizeOf(Integer.MAX_VALUE));
        assertEquals(24L, MemoryUtil.sizeOf(Long.MAX_VALUE));

 */
public class ByteSinkTest extends IoTestCase {

  private final byte[] bytes = newPreFilledByteArray(10000);

  private TestByteSink sink;

  @Override
  protected void setUp() throws Exception {
    sink = new TestByteSink();
  }

  public void testOpenBufferedStream() throws IOException {
    OutputStream out = sink.openBufferedStream();
    assertTrue(sink.wasStreamOpened());