@GwtCompatible
final class UsingToStringOrdering extends Ordering<Object> implements Serializable {
  static final UsingToStringOrdering INSTANCE = new UsingToStringOrdering();

  @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

            throw new IllegalStateException("Could not parse current Java version", e);
        }
        if (constraint.getRange() == null) {
            return constraint.getVersion().compareTo(current) <= 0;
        }
        return constraint.containsVersion(current);
    }

    assertThat(reverse).isNotNull();
  }

  public void testBuilderAsymptotics() {
    int[] compares = {0};
    Comparator<Integer> countingComparator =
        (i, j) -> {
          compares[0]++;
          return i.compareTo(j);
        };
    ImmutableSortedSet.Builder<Integer> builder =
        new ImmutableSortedSet.Builder<Integer>(countingComparator, 10);

            @Override
            public int compare(K o1, K o2) {
              return ((Comparable) o1).compareTo(o2);
            }
          };
    }
    Iterator<Entry<K, V>> entryItr = navigableMap.entrySet().iterator();
    Entry<K, V> prevEntry = entryItr.next();
    while (entryItr.hasNext()) {
      Entry<K, V> nextEntry = entryItr.next();
      assertTrue(comparator.compare(prevEntry.getKey(), nextEntry.getKey()) < 0);

    }

    @Override
    public boolean equals(@Nullable Object o) {
      return (o instanceof Foo) && ((Foo) o).value.equals(value);
    }

    @Override
    public int compareTo(Foo other) {
      return value.compareTo(other.value);
    }
  }

      return state().compareTo(RUNNING) >= 0;
    }
  }

  private final Guard isStopped = new IsStoppedGuard();

  @WeakOuter
  private final class IsStoppedGuard extends Guard {
    IsStoppedGuard() {
      super(AbstractService.this.monitor);
    }

    @Override
    public boolean isSatisfied() {
      return state().compareTo(TERMINATED) >= 0;
    }
  }

            @Override
            public int compare(K o1, K o2) {
              return ((Comparable) o1).compareTo(o2);
            }
          };
    }
    Iterator<Entry<K, V>> entryItr = navigableMap.entrySet().iterator();
    Entry<K, V> prevEntry = entryItr.next();
    while (entryItr.hasNext()) {
      Entry<K, V> nextEntry = entryItr.next();
      assertTrue(comparator.compare(prevEntry.getKey(), nextEntry.getKey()) < 0);

        .isEqualTo(0);
  }

  public void testManyEqual() {
    assertThat(
            ComparisonChain.start()
                .compare(1, 1)
                .compare(1L, 1L)
                .compareFalseFirst(true, true)
                .compare(1.0, 1.0)
                .compare(1.0f, 1.0f)
                .compare("a", "a", Ordering.usingToString())

   * The lifecycle states of a service.
   *
   * <p>The ordering of the {@link State} enum is defined such that if there is a state transition
   * from {@code A -> B} then {@code A.compareTo(B) < 0}. N.B. The converse is not true, i.e. if
   * {@code A.compareTo(B) < 0} then there is <b>not</b> guaranteed to be a valid state transition
   * {@code A -> B}.
   *
   * @since 9.0 (in 1.0 as {@code com.google.common.base.Service.State})
   */

    Method[] methods = getClass().getMethods();
    Arrays.sort(
        methods,
        new Comparator<Method>() {
          @Override
          public int compare(Method a, Method b) {
            return a.getName().compareTo(b.getName());
          }
        });
    for (Method method : methods) {
      if (method.isAnnotationPresent(TestSubtype.class)) {
        method.setAccessible(true);