@DisplayName("Test getSendBufferSize returns standard size")
    void testGetSendBufferSizeStandard() {
        // Arrange
        int expectedSize = 65536;
        when(negotiationResponse.getSendBufferSize()).thenReturn(expectedSize);

        // Act
        int size = negotiationResponse.getSendBufferSize();

        // Assert
        assertEquals(expectedSize, size);
        verify(negotiationResponse).getSendBufferSize();

    }
    assertEquals(ITERATIONS, map.size());

    map.clear();
    assertEquals(0, map.size());
    assertTrue(map.isEmpty());
  }

  public void testSum() {
    AtomicLongMap<Object> map = AtomicLongMap.create();
    long sum = 0;
    for (int i = 0; i < ITERATIONS; i++) {
      map.put(new Object(), i);
      sum += i;
    }
    assertEquals(ITERATIONS, map.size());
    assertEquals(sum, map.sum());

    for (int i = 0; i < expected.size(); i++) {
      actual.add(q.pollFirst());
    }
    assertEquals(expected, actual);
  }

  public void testCorrectOrdering_smallHeapsPollFirst() {
    for (int size = 2; size < 16; size++) {
      for (int attempts = 0; attempts < size * (size - 1); attempts++) {
        ArrayList<Integer> elements = createOrderedList(size);

  // Max size is halved due to indexing into double-sized alternatingKeysAndValues
  private static final int BYTE_MAX_SIZE = 1 << (Byte.SIZE - 1); // 2^7 = 128
  private static final int SHORT_MAX_SIZE = 1 << (Short.SIZE - 1); // 2^15 = 32_768

  private static final int BYTE_MASK = (1 << Byte.SIZE) - 1; // 2^8 - 1 = 255
  private static final int SHORT_MASK = (1 << Short.SIZE) - 1; // 2^16 - 1 = 65_535

    int numGoodQueries = (int) (numQueries * hitRate + 0.5);

    // add good queries
    int size = elementsInSet.size();
    if (size > 0) {
      int minCopiesOfEachGoodQuery = numGoodQueries / size;
      int extras = numGoodQueries % size;

      for (int i = 0; i < minCopiesOfEachGoodQuery; i++) {
        queryList.addAll(elementsInSet);
      }
      List<Element> tmp = new ArrayList<>(elementsInSet);
      shuffle(tmp, random);

   *     size}
   * @throws IllegalArgumentException if {@code size} is negative
   */
  protected AbstractIndexedListIterator(int size, int position) {
    checkPositionIndex(position, size);
    this.size = size;
    this.position = position;
  }

  @Override
  public final boolean hasNext() {
    return position < size;
  }

  @Override
  @ParametricNullness

    int numGoodQueries = (int) (numQueries * hitRate + 0.5);

    // add good queries
    int size = elementsInSet.size();
    if (size > 0) {
      int minCopiesOfEachGoodQuery = numGoodQueries / size;
      int extras = numGoodQueries % size;

      for (int i = 0; i < minCopiesOfEachGoodQuery; i++) {
        queryList.addAll(elementsInSet);
      }
      List<Element> tmp = new ArrayList<>(elementsInSet);
      shuffle(tmp, random);

    }

    /**
     * Get preferred send size
     *
     * @return preferred send size in bytes
     */
    public int getPreferredSendSize() {
        return preferredSendSize;
    }

    /**
     * Set preferred send size
     *
     * @param preferredSendSize preferred send size in bytes
     */
    public void setPreferredSendSize(int preferredSendSize) {

    assertEquals(expectedSize, multimap.size());

    int size = 0;
    for (Entry<K, V> entry : multimap.entries()) {
      assertTrue(multimap.containsEntry(entry.getKey(), entry.getValue()));
      size++;
    }
    assertEquals(expectedSize, size);

    int size2 = 0;
    for (Entry<K, Collection<V>> entry2 : multimap.asMap().entrySet()) {
      size2 += entry2.getValue().size();
    }
    assertEquals(expectedSize, size2);

            PersistedToolchains jdksExtra = read(jdksExtraIS);
            assertEquals(2, jdks.getToolchains().size());

            merger.merge(jdks, jdksExtra, TrackableBase.USER_LEVEL);
            assertEquals(4, jdks.getToolchains().size());
            assertEquals(2, jdksExtra.getToolchains().size());
        }
        try (InputStream jdksIS = MavenToolchainMergerTest.class.getResourceAsStream("toolchains-jdks.xml");