// Check that a projection is applied after an in memory sort.

t = db.jstests_sorti;
t.drop();

t.save({a: 1, b: 0});
t.save({a: 3, b: 1});
t.save({a: 2, b: 2});
t.save({a: 4, b: 3});

function checkBOrder(query) {
    arr = query.toArray();
    order = [];
    for (i in arr) {
        a = arr[i];
        order.push(a.b);
    }
    assert.eq([0, 2, 1, 3], order);
}

checkBOrder(t.find().sort({a: 1}));
checkBOrder(t.find({}, {_id: 0, b: 1}).sort({a: 1}));
t.ensureIndex({b: 1});
checkBOrder(t.find({}, {_id: 0, b: 1}).sort({a: 1}));
checkBOrder(t.find({}, {_id: 0, b: 1}).sort({a: 1}).hint({b: 1}));