.addEqualityGroup(multimap())
        .addEqualityGroup(getSubjectGenerator().create())
        .testEquals();
  }

  public void testHashCodeMatchesAsMap() {
    assertEquals(multimap().asMap().hashCode(), multimap().hashCode());
  }

                  return runnable.equals(that.runnable);
                }
                return false;
              }

              @Override
              public int hashCode() {
                return runnable.hashCode();
              }
            };
          }
        });
  }

  public void testFailsToForwardEquals() {
    tester.includingEquals();
    assertFailure(

      return (c == other.c) && (d == other.d) && (k0 == other.k0) && (k1 == other.k1);
    }
    return false;
  }

  @Override
  public int hashCode() {
    return (int) (getClass().hashCode() ^ c ^ d ^ k0 ^ k1);
  }

  private static final class SipHasher extends AbstractStreamingHasher {
    private static final int CHUNK_SIZE = 8;

    // The number of compression rounds.

        assertFalse(filter1.equals(null), "Expected " + filter1 + " to not equal " + null);
        assertTrue(filter1.equals(filter1), "Expected " + filter1 + " to equal " + filter1);
        assertEquals(filter1.hashCode(), filter1.hashCode());

        assertFalse(filter1.equals(filter2), "Expected " + filter1 + " to not equal " + filter2);
        assertFalse(filter2.equals(filter1), "Expected " + filter2 + " to not equal " + filter1);
    }

 * additional documentation, including:
 *
 * <ul>
 *   <li><a
 *       href="https://github.com/google/guava/wiki/GraphsExplained#equals-hashcode-and-graph-equivalence">
 *       {@code equals()}, {@code hashCode()}, and graph equivalence</a>
 *   <li><a href="https://github.com/google/guava/wiki/GraphsExplained#synchronization">
 *       Synchronization policy</a>

     */
    @Override
    boolean equals(@Nullable Object other);

    /**
     * The hash code equals the value {@code Arrays.asList(leftValue(), rightValue()).hashCode()}.
     */
    @Override
    int hashCode();
  }

 * additional documentation, including:
 *
 * <ul>
 *   <li><a
 *       href="https://github.com/google/guava/wiki/GraphsExplained#equals-hashcode-and-graph-equivalence">
 *       {@code equals()}, {@code hashCode()}, and graph equivalence</a>
 *   <li><a href="https://github.com/google/guava/wiki/GraphsExplained#synchronization">
 *       Synchronization policy</a>

 * additional documentation, including:
 *
 * <ul>
 *   <li><a
 *       href="https://github.com/google/guava/wiki/GraphsExplained#equals-hashcode-and-graph-equivalence">
 *       {@code equals()}, {@code hashCode()}, and graph equivalence</a>
 *   <li><a href="https://github.com/google/guava/wiki/GraphsExplained#synchronization">
 *       Synchronization policy</a>

      return this.presentFeatures.equals(that.presentFeatures)
          && this.absentFeatures.equals(that.absentFeatures);
    }
    return false;
  }

  @Override
  public int hashCode() {
    return presentFeatures.hashCode() * 31 + absentFeatures.hashCode();
  }

  @Override
  public String toString() {
    return "{TesterRequirements: present=" + presentFeatures + ", absent=" + absentFeatures + "}";
  }

 * href="http://en.wikipedia.org/wiki/Decorator_pattern">decorator pattern</a>. The {@link
 * #delegate()} method must be overridden to return the instance being decorated.
 *
 * <p>This class does <i>not</i> forward the {@code hashCode} and {@code equals} methods through to
 * the backing object, but relies on {@code Object}'s implementation. This is necessary to preserve