}
      dummy ^= sb.toString().length();
    }
    return dummy;
  }

  /**
   * Always append the delimiter after the component, and in the very end shortens the buffer to get
   * rid of the extra trailing delimiter.
   */
  @Benchmark
  int alwaysAppendThenBackUp(int reps) {
    int dummy = 0;
    for (int i = 0; i < reps; i++) {
      StringBuilder sb = new StringBuilder();

    final EventBus eventBus = new EventBus(handler);
    final RuntimeException exception =
        new RuntimeException("but culottes have a tendancy to ride up!");
    final Object subscriber =
        new Object() {
          @Subscribe
          public void throwExceptionOn(String message) {
            throw exception;
          }
        };

    final EventBus eventBus = new EventBus(handler);
    final RuntimeException exception =
        new RuntimeException("but culottes have a tendancy to ride up!");
    final Object subscriber =
        new Object() {
          @Subscribe
          public void throwExceptionOn(String message) {
            throw exception;
          }
        };

  private static final ImmutableSet<String> SCOPE_IDS =
      ImmutableSet.of("eno1", "en1", "eth0", "X", "1", "2", "14", "20");

  public void testIPv4AddressWithScopeId() {
    ImmutableSet<String> ipStrings = ImmutableSet.of("1.2.3.4", "192.168.0.1");
    for (String ipString : ipStrings) {
      for (String scopeId : SCOPE_IDS) {
        String withScopeId = ipString + "%" + scopeId;
        assertFalse(

        ipString = ipString.substring(0, percentIndex);
      }
      return textToNumericFormatV6(ipString);
    } else if (hasDot) {
      if (percentIndex != -1) {
        return null; // Scope IDs are not supported for IPV4
      }
      return textToNumericFormatV4(ipString);
    }
    return null;
  }

  @CheckForNull
  private static byte[] textToNumericFormatV4(String ipString) {

  private static final ImmutableSet<String> SCOPE_IDS =
      ImmutableSet.of("eno1", "en1", "eth0", "X", "1", "2", "14", "20");

  public void testIPv4AddressWithScopeId() {
    ImmutableSet<String> ipStrings = ImmutableSet.of("1.2.3.4", "192.168.0.1");
    for (String ipString : ipStrings) {
      for (String scopeId : SCOPE_IDS) {
        String withScopeId = ipString + "%" + scopeId;
        assertFalse(

    private final AtomicInteger counter = new AtomicInteger(0);
    private final ConcurrentMap<Object, Integer> uids =
        Platform.tryWeakKeys(new MapMaker()).makeMap();

    private Integer getUid(Object obj) {
      Integer uid = uids.get(obj);
      if (uid == null) {
        // One or more integer values could be skipped in the event of a race

    this(capacity, fair);
    if (capacity < c.size()) throw new IllegalArgumentException();

    for (E e : c) add(e);
  }

  @SuppressWarnings("unchecked") // please don't try this home, kids
  private static <E> E[] newEArray(int capacity) {
    return (E[]) new Object[capacity];
  }

  /**
   * Inserts the specified element at the tail of this queue if it is possible to do so immediately

    this(capacity, fair);
    if (capacity < c.size()) throw new IllegalArgumentException();

    for (E e : c) add(e);
  }

  @SuppressWarnings("unchecked") // please don't try this home, kids
  private static <E> E[] newEArray(int capacity) {
    return (E[]) new Object[capacity];
  }

  /**
   * Inserts the specified element at the tail of this queue if it is possible to do so immediately

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