TEST(scheduler_run_variable) {
    scheduler s;
    counter a = counter();
    a.again = true;
    s.periodic(bind(tick, std::ref(a), std::placeholders::_1), 1, false);
    s.tick(0);
    s.tick(11);
    CHECK_EQUAL(2, a.count);
    CHECK_EQUAL(11, a.elapsed);
}

TEST(scheduler_run_fixed) {
    scheduler s;
    counter a = counter();
    a.again = true;
    s.periodic(bind(tick, std::ref(a), std::placeholders::_1), 1, true);
    s.tick(0);
    s.tick(11);
    CHECK_EQUAL(12, a.count);
    CHECK_EQUAL(11, a.elapsed);
}