return delegate().offerLast(e, timeout, unit);
  }

  @Override
  public E takeFirst() throws InterruptedException {
    return delegate().takeFirst();
  }

  @Override
  public E takeLast() throws InterruptedException {
    return delegate().takeLast();
  }

  @Override
  public @Nullable E pollFirst(long timeout, TimeUnit unit) throws InterruptedException {

 */
public class ResourceTraversalTest {

    private static int count = 0;

    /**
     * @throws Exception
     */
    @Before
    public void setUp() throws Exception {
        count = 0;
    }

    /**
     * @throws Exception
     */
    @Test
    public void testForEachFile() throws Exception {
        final File rootDir = ResourceUtil.getBuildDir(getClass());

 *
 */
public class IntegerConversionUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testToInteger() throws Exception {
        assertEquals(Integer.valueOf("1000"), IntegerConversionUtil.toInteger("1,000"));
    }

    /**
     * @throws Exception
     */
    public void testToPrimitiveInt() throws Exception {
        assertEquals(1000, IntegerConversionUtil.toPrimitiveInt("1,000"));
    }

    Settings buildSettings(MavenExecutionRequest request) throws IOException, XmlPullParserException;

    /**
     * @return a <code>Settings</code> object from the user settings file.
     * @throws IOException if any
     * @throws XmlPullParserException if any
     */
    Settings buildSettings() throws IOException, XmlPullParserException;

    /**

    }

    /**
     * Ensure encode throws NPE when passed a null buffer.
     */
    @Test
    @DisplayName("Encode with null buffer throws NullPointerException")
    public void testEncodeNullBuffer() throws NdrException {
        NdrHyper hyper = new NdrHyper(5L);
        assertThrows(NullPointerException.class, () -> hyper.encode(null));
    }

    /**
     * Ensure decode throws NPE when passed a null buffer.
     */

    @Deprecated
    Wagon getWagon(String protocol) throws UnsupportedProtocolException;

    @Deprecated
    Wagon getWagon(Repository repository) throws UnsupportedProtocolException, WagonConfigurationException;

    //
    // Retriever
    //
    void getArtifact(Artifact artifact, ArtifactRepository repository, TransferListener transferListener, boolean force)
            throws TransferFailedException, ResourceDoesNotExistException;

  private File rootDir;

  @Override
  public void setUp() throws IOException {
    rootDir = createTempDir();
  }

  public void testFileTraverser_emptyDirectory() throws Exception {
    assertThat(Files.fileTraverser().breadthFirst(rootDir)).containsExactly(rootDir);
  }

  public void testFileTraverser_nonExistingFile() throws Exception {
    File file = new File(rootDir, "file-that-doesnt-exist");

   * writer each time it is called.
   *
   * <p>The caller is responsible for ensuring that the returned writer is closed.
   *
   * @throws IOException if an I/O error occurs while opening the writer
   */
  public abstract Writer openStream() throws IOException;

  /**
   * Opens a new buffered {@link Writer} for writing to this sink. The returned stream is not

    ArrayMap<String, String> map;

    /**
     * @throws Exception
     */
    @Before
    public void setUp() throws Exception {
        map = new ArrayMap<String, String>();
        map.put(null, null);
        map.put("1", "test");
        map.put("2", "test2");
    }

    /**
     * @throws Exception
     */
    @After
    public void tearDown() throws Exception {
        map = null;
    }

    /**

     */
    @Test
    public void testInfo() throws Exception {
        logger.info("info");
    }

    /**
     * @throws Exception
     */
    @Test
    public void testWarn() throws Exception {
        logger.warn("warn");
    }

    /**
     * @throws Exception
     */
    @Test
    public void testError() throws Exception {
        logger.error("error");
    }

    /**