(function () {
    "use strict";
    var keyfile = "jstests/libs/key1";
    var master;
    var rs = new ReplSetTest({
        nodes : { node0 : {}, node1 : {}, arbiter : {}},
        keyFile : keyfile
    });
    rs.startSet();
    rs.initiate();

    master = rs.getMaster();
    jsTest.log("adding user");
    master.getDB("admin").createUser({user: "foo", pwd: "bar", roles: jsTest.adminUserRoles},
                                     {w: 2, wtimeout: 30000});

    var safeInsert = function() {
        master = rs.getMaster();
        master.getDB("admin").auth("foo", "bar");
        assert.writeOK(master.getDB("foo").bar.insert({ x: 1 }));
    }

    jsTest.log("authing");
    for (var i=0; i<2; i++) {
        assert(rs.nodes[i].getDB("admin").auth("foo", "bar"),
               "could not log into " + rs.nodes[i].host);
    }

    jsTest.log("make common point");

    safeInsert();
    authutil.asCluster(rs.nodes, keyfile, function() { rs.awaitReplication(); });

    jsTest.log("write stuff to 0&2")
    rs.stop(1);

    master = rs.getMaster();
    master.getDB("admin").auth("foo", "bar");
    master.getDB("foo").bar.drop();
    jsTest.log("last op: " +
               tojson(master.getDB("local").oplog.rs.find().sort({$natural:-1}).limit(1).next()));

    jsTest.log("write stuff to 1&2")
    rs.stop(0);
    rs.restart(1);

    safeInsert();
    jsTest.log("last op: " +
               tojson(master.getDB("local").oplog.rs.find().sort({$natural:-1}).limit(1).next()));

    rs.restart(0);

    jsTest.log("doing rollback!");

    authutil.asCluster(rs.nodes, keyfile, function () { rs.awaitSecondaryNodes(); });

}());