}

    ElementOrder<?> other = (ElementOrder<?>) obj;
    return (type == other.type) && Objects.equal(comparator, other.comparator);
  }

  @Override
  public int hashCode() {
    return Objects.hashCode(type, comparator);
  }

  @Override
  public String toString() {
    ToStringHelper helper = MoreObjects.toStringHelper(this).add("type", type);
    if (comparator != null) {

    int mask = tableSize - 1;
    for (int i = 0; i < TEST_CASES; i++) {
      tables[i] = new Object[tableSize];
      for (int j = 0; j < size; j++) {
        Object o = new Object();
        for (int k = o.hashCode(); ; k++) {
          int index = k & mask;
          if (tables[i][index] == null) {
            tables[i][index] = o;
            break;
          }
        }
      }
    }
  }

  enum Impl {

  @Override
  public int compare(Object left, Object right) {
    return left.toString().compareTo(right.toString());
  }

  // preserve singleton-ness, so equals() and hashCode() work correctly
  private Object readResolve() {
    return INSTANCE;
  }

  @Override
  public String toString() {
    return "Ordering.usingToString()";
  }

  private UsingToStringOrdering() {}

    final Charset localCharset = charset;
    final ByteSource localData = data;
    final ReadStrategy localStrategy = strategy;
    for (int i = 0; i < reps; i++) {
      r += localStrategy.read(localData, localCharset).hashCode();
    }
    return r;
  }

  public void set(int newValue) {
    value = newValue;
  }

  public int getAndSet(int newValue) {
    int result = value;
    value = newValue;
    return result;
  }

  @Override
  public int hashCode() {
    return value;
  }

  @Override
  public boolean equals(@CheckForNull Object obj) {
    return obj instanceof Count && ((Count) obj).value == value;
  }

  @Override
  public String toString() {

        return newInput != null && newOutput != null;
    }

    public boolean isDeleted() {
        return isUpdated() && StringUtil.isBlank(newInput);
    }

    @Override
    public int hashCode() {
        return Objects.hash(input, output);
    }

    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }

        return false;
    }


    /**
     * {@inheritDoc}
     *
     * @see java.lang.Object#hashCode()
     */
    @Override
    public int hashCode () {
        return super.hashCode();
    }


    @Override
    public String getUserDomain () {
        if ( this.realm == null && this.getSubject() != null ) {

            return true;
        }

        return object instanceof PluginDescriptor && getId().equals(((PluginDescriptor) object).getId());
    }

    public int hashCode() {
        return 10 + getId().hashCode();
    }

    public MojoDescriptor getMojo(String goal) {
        if (getMojos() == null) {
            return null; // no mojo in this POM
        }

import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 * Tests {@code Contributor}.
 *
 */
class ContributorTest {

    @Test
    void testHashCodeNullSafe() {
        new Contributor().hashCode();
    }

    @Test
    void testEqualsNullSafe() {
        assertFalse(new Contributor().equals(null));

        new Contributor().equals(new Contributor());
    }

    @Test

import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 * Tests {@code Extension}.
 *
 */
class ExtensionTest {

    @Test
    void testHashCodeNullSafe() {
        new Extension().hashCode();
    }

    @Test
    void testEqualsNullSafe() {
        assertFalse(new Extension().equals(null));

        new Extension().equals(new Extension());
    }

    @Test