c = new ArrayList<String>();
        assertThat(CollectionsUtil.isEmpty(c), is(true));
    }

    /**
     * Test method for
     * {@link org.codelibs.core.collection.CollectionsUtil#isNotEmpty(java.util.Collection)}
     * .
     */
    @Test
    public void testIsNotEmptyCollectionOfQ() {
        final Collection<String> c = new ArrayList<String>();
        c.add("hoge");

    checkNotNull(file);
    checkNotNull(charset);
    return new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), charset));
  }

  /**
   * Returns a new {@link ByteSource} for reading bytes from the given file.
   *
   * @since 14.0
   */
  public static ByteSource asByteSource(File file) {
    return new FileByteSource(file);
  }

  private static final class FileByteSource extends

        ExecutorService executor = Executors.newFixedThreadPool(threadCount);
        CountDownLatch startLatch = new CountDownLatch(1);
        CountDownLatch endLatch = new CountDownLatch(threadCount);
        AtomicInteger successCount = new AtomicInteger(0);
        List<Exception> exceptions = new ArrayList<>();

        // When - Multiple threads get and release buffers
        for (int t = 0; t < threadCount; t++) {

        } catch (InvocationTargetException exception) {
          responseQueue.put(new Response(request.methodName, null, exception.getTargetException()));
          continue;
        } catch (Throwable throwable) {
          responseQueue.put(new Response(request.methodName, null, throwable));
          continue;
        }
        responseQueue.put(new Response(request.methodName, result, null));
      }
    } catch (ThreadDeath death) {

            AvPairs.replace(serverAvPairs, new AvFlags(curFlags));
        }

        AvPairs.replace(serverAvPairs, new AvTimestamp(ts));

        if (targetName != null) {
            AvPairs.replace(serverAvPairs, new AvTargetName(targetName));
        }

        // possibly add channel bindings
        AvPairs.replace(serverAvPairs, new AvPair(0xa, new byte[16]));

    checkNotNull(unit);
    Thread interruptee = Thread.currentThread();
    new Thread(
            new Runnable() {
              @Override
              public void run() {
                try {
                  unit.sleep(time);
                } catch (InterruptedException wontHappen) {
                  throw new AssertionError(wontHappen);
                }
                interruptee.interrupt();

        case "disni":
            RdmaProvider disniProvider = new DisniRdmaProvider();
            if (disniProvider.isAvailable()) {
                return disniProvider;
            }
            log.warn("DiSNI RDMA provider requested but not available");
            break;

        case "tcp":
            return new TcpRdmaProvider();

        default:

    private static final byte IPAD = (byte) 0x36;

    private static final byte OPAD = (byte) 0x5c;

    private MessageDigest md5;

    private byte[] ipad = new byte[BLOCK_LENGTH];

    private byte[] opad = new byte[BLOCK_LENGTH];

    /**
     * Creates an HMACT64 instance which uses the given secret key material.
     *
     * @param key The key material to use in hashing.
     */

        response = new Trans2GetDfsReferralResponse(mockConfig);
    }

    @Nested
    @DisplayName("Constructor and Initialization Tests")
    class ConstructorTests {

        @Test
        @DisplayName("Should initialize with correct configuration")
        void testConstructorInitialization() {
            Trans2GetDfsReferralResponse localResponse = new Trans2GetDfsReferralResponse(mockConfig);

  public static Joiner on(String separator) {
    return new Joiner(separator);
  }

  /** Returns a joiner which automatically places {@code separator} between consecutive elements. */
  public static Joiner on(char separator) {
    return new Joiner(String.valueOf(separator));
  }

  private final String separator;

  private Joiner(String separator) {