anchor.diff:      ok.
   
   continuum_wrapping_test() ->
  -    Addrs = some_test_addrs(4),
  -    R = cring:create(Addrs, ?MODULE, 160),
  -    AssertSame =
  -        fun(ExpectAddrIndex, Key) ->
  -            ExpectAddr = lists:nth(ExpectAddrIndex, Addrs),
  -            ActualAddr = cring:search_by_point(R, hash_key(Key, undefined)),
  -            ?assertEqual(ExpectAddr, ActualAddr),
  -            ok
  -        end,
  +    {_Addrs, _R, AssertSame} = some_test_addrs(4),
       % Data from spymemcached KetamaNodeLocatorTest.java.
       AssertSame(4, "V5XS8C8N"),
       AssertSame(4, "8KR2DKR2"),
  
positive.code:             ?assertEqual(ExpectAddr, ActualAddr),
              ok
          end,
      % Data from spymemcached KetamaNodeLocatorTest.java.
      AssertSame(1, "dustin"),
      AssertSame(3, "noelani"),
  
negative.code: cluster_resizing_test() ->
      % Data from spymemcached KetamaNodeLocatorTest.java.
      (fun() ->
        {_Addrs, _R, AssertSame} = some_test_addrs(4),
        AssertSame(1, "dustin"),
        AssertSame(3, "noelani"),
        AssertSame(1, "some other key"),
        ok
       end)(),
      (fun() ->
        {_Addrs, _R, AssertSame} = some_test_addrs(5),
        AssertSame(1, "dustin"),
        AssertSame(3, "noelani"),
        AssertSame(5, "some other key"),
  