MapMakerInternalMap<K, V, ? extends InternalEntry<K, V, ?>, ? extends Segment<K, V, ?, ?>>
          makeMap(MapMaker maker) {
    return MapMakerInternalMap.create(maker);
  }

  private static MapMaker createMapMaker() {
    MapMaker maker = new MapMaker();
    maker.useCustomMap = true;
    return maker;
  }

  // constructor tests

  public void testDefaults() {

      MapMakerInternalMap<K, V, ? extends InternalEntry<K, V, ?>, ? extends Segment<K, V, ?, ?>>
          makeMap(MapMaker maker) {
    return MapMakerInternalMap.create(maker);
  }

  private static MapMaker createMapMaker() {
    MapMaker maker = new MapMaker();
    maker.useCustomMap = true;
    return maker;
  }

  // constructor tests

  public void testDefaults() {

  final EventBus bus = new EventBus();

  public void testNoReentrantEvents() {
    ReentrantEventsHater hater = new ReentrantEventsHater();
    bus.register(hater);

    bus.post(FIRST);

    assertEquals(
        "ReentrantEventHater expected 2 events",
        Lists.<Object>newArrayList(FIRST, SECOND),
        hater.eventsReceived);
  }

  public class ReentrantEventsHater {
    boolean ready = true;

  private static final int CRC32C_GENERATOR = 0x1EDC6F41; // 0x11EDC6F41
  private static final int CRC32C_GENERATOR_FLIPPED = Integer.reverse(CRC32C_GENERATOR);

  public void testCrc32cByteTable() {
    // See Hacker's Delight 2nd Edition, Figure 14-7.
    int[] expected = new int[256];
    for (int i = 0; i < expected.length; i++) {
      int crc = i;
      for (int j = 7; j >= 0; j--) {
        int mask = -(crc & 1);

 * named analogously to their {@code BigInteger} counterparts.
 *
 * <p>The implementations of many methods in this class are based on material from Henry S. Warren,
 * Jr.'s <i>Hacker's Delight</i>, (Addison Wesley, 2002).
 *
 * <p>Similar functionality for {@code int} and for {@link BigInteger} can be found in {@link
 * IntMath} and {@link BigIntegerMath} respectively. For other common operations on {@code long}

  `Oh, don't bother ME,' said the Duchess; `I never could abide
figures!'  And with that she began nursing her child again,
singing a sort of lullaby to it as she did so, and giving it a
violent shake at the end of every line:

        `Speak roughly to your little boy,
          And beat him when he sneezes:
        He only does it to annoy,
          Because he knows it teases.'

  final EventBus bus = new EventBus();

  public void testNoReentrantEvents() {
    ReentrantEventsHater hater = new ReentrantEventsHater();
    bus.register(hater);

    bus.post(FIRST);

    assertEquals(
        "ReentrantEventHater expected 2 events",
        Lists.<Object>newArrayList(FIRST, SECOND),
        hater.eventsReceived);
  }

  public class ReentrantEventsHater {
    boolean ready = true;

   */

  public void testInitialCapacity_negative() {
    MapMaker maker = new MapMaker();
    try {
      maker.initialCapacity(-1);
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }

  // TODO(cpovirk): enable when ready (apparently after a change to our GWT emulation)
  public void xtestInitialCapacity_setTwice() {
    MapMaker maker = new MapMaker().initialCapacity(16);
    try {

 * named analogously to their {@code BigInteger} counterparts.
 *
 * <p>The implementations of many methods in this class are based on material from Henry S. Warren,
 * Jr.'s <i>Hacker's Delight</i>, (Addison Wesley, 2002).
 *
 * <p>Similar functionality for {@code long} and for {@link BigInteger} can be found in {@link
 * LongMath} and {@link BigIntegerMath} respectively. For other common operations on {@code int}

    return Arrays.copyOfRange(source, from, to, (Class<? extends T[]>) arrayOfType.getClass());
  }

  /**
   * Configures the given map maker to use weak keys, if possible; does nothing otherwise (i.e., in
   * GWT). This is sometimes acceptable, when only server-side code could generate enough volume
   * that reclamation becomes important.
   */