No. They both can't serve SYD-JNB and PER-JNB each and make it worth their whiles, so the old agreement still carries on. The part that was dropped was reciprocation in each other's FFP schemes.

To the OP - depends on what you are looking for. AC has a very extensive E-Ticketing agreement list with a variety of carriers. All of the :-: partners (LX and SA currently excluded) BA EK DL CO AA and more on the major International airline front as well as a few of the local Canadian carriers like 9M.