.comparator());

    sortedTable = TreeBasedTable.create(Collections.reverseOrder(), Ordering.usingToString());
    sortedTable.put("", 42, 'x');
    assertSame(Ordering.usingToString(), sortedTable.columnComparator());
    assertSame(
        Ordering.usingToString(),
        ((SortedMap<Integer, Character>) sortedTable.rowMap().values().iterator().next())
            .comparator());
  }

            .comparator());

    sortedTable = TreeBasedTable.create(Collections.reverseOrder(), Ordering.usingToString());
    sortedTable.put("", 42, 'x');
    assertSame(Ordering.usingToString(), sortedTable.columnComparator());
    assertSame(
        Ordering.usingToString(),
        ((SortedMap<Integer, Character>) sortedTable.rowMap().values().iterator().next())
            .comparator());
  }

  }

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

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

  private UsingToStringOrdering() {}

  private static final long serialVersionUID = 0;

                .compare(1L, 1L)
                .compareFalseFirst(true, true)
                .compare(1.0, 1.0)
                .compare(1.0f, 1.0f)
                .compare("a", "a", Ordering.usingToString())
                .result())
        .isEqualTo(0);
  }

  public void testShortCircuitLess() {
    assertThat(
            ComparisonChain.start()
                .compare("a", "b")

    assertThat(multimap.get("a")).containsExactly(10, 2).inOrder();
    assertEquals(
        Ordering.usingToString(), ((ImmutableSortedSet<Integer>) multimap.get("a")).comparator());
    assertEquals(
        Ordering.usingToString(), ((ImmutableSortedSet<Integer>) multimap.get("z")).comparator());
  }

  private ImmutableSetMultimap<String, Integer> createMultimap() {
    return ImmutableSetMultimap.<String, Integer>builder()

                .compare(1L, 1L)
                .compareFalseFirst(true, true)
                .compare(1.0, 1.0)
                .compare(1.0f, 1.0f)
                .compare("a", "a", Ordering.usingToString())
                .result())
        .isEqualTo(0);
  }

  public void testShortCircuitLess() {
    assertThat(
            ComparisonChain.start()
                .compare("a", "b")

    Helpers.testComparator(arbitrary, list);
  }

  public void testUsingToString() {
    Ordering<Object> ordering = Ordering.usingToString();
    Helpers.testComparator(ordering, 1, 12, 124, 2);
    assertEquals("Ordering.usingToString()", ordering.toString());
    assertSame(ordering, reserialize(ordering));
  }

  // use an enum to get easy serializability

    Helpers.testComparator(arbitrary, list);
  }

  public void testUsingToString() {
    Ordering<Object> ordering = Ordering.usingToString();
    Helpers.testComparator(ordering, 1, 12, 124, 2);
    assertEquals("Ordering.usingToString()", ordering.toString());
    assertSame(ordering, reserialize(ordering));
  }

  // use an enum to get easy serializability

    assertThat(multimap.get("a")).containsExactly(10, 2).inOrder();
    assertEquals(
        Ordering.usingToString(), ((ImmutableSortedSet<Integer>) multimap.get("a")).comparator());
    assertEquals(
        Ordering.usingToString(), ((ImmutableSortedSet<Integer>) multimap.get("z")).comparator());
  }

  private ImmutableSetMultimap<String, Integer> createMultimap() {
    return ImmutableSetMultimap.<String, Integer>builder()

  private static final Ordering<Invokable<?, ?>> BY_PARAMETERS =
      new Ordering<Invokable<?, ?>>() {
        @Override
        public int compare(Invokable<?, ?> left, Invokable<?, ?> right) {
          return Ordering.usingToString().compare(left.getParameters(), right.getParameters());
        }
      };

  private static final Ordering<Invokable<?, ?>> BY_NUMBER_OF_PARAMETERS =
      new Ordering<Invokable<?, ?>>() {
        @Override