scylladb/tests/smp_test.cc

/*
 * Copyright (C) 2014 Cloudius Systems, Ltd.
 */

#include "core/reactor.hh"
#include "core/app-template.hh"
#include "core/print.hh"

future<bool> test_smp_call() {
    return smp::submit_to(1, [] {
        return make_ready_future<int>(3);
    }).then([] (int ret) {
        return make_ready_future<bool>(ret == 3);
    });
}

struct nasty_exception {};

future<bool> test_smp_exception() {
    print("1\n");
    return smp::submit_to(1, [] {
        print("2\n");
        auto x = make_exception_future<int>(nasty_exception());
        print("3\n");
        return x;
    }).then_wrapped([] (future<int> result) {
        print("4\n");
        try {
            result.get();
            return make_ready_future<bool>(false); // expected an exception
        } catch (nasty_exception&) {
            // all is well
            return make_ready_future<bool>(true);
        } catch (...) {
            // incorrect exception type
            return make_ready_future<bool>(false);
        }
    });
}

int tests, fails;

future<>
report(sstring msg, future<bool>&& result) {
    return std::move(result).then([msg] (bool result) {
        print("%s: %s\n", (result ? "PASS" : "FAIL"), msg);
        tests += 1;
        fails += !result;
    });
}

int main(int ac, char** av) {
    return app_template().run(ac, av, [] {
       return report("smp call", test_smp_call()).then([] {
           return report("smp exception", test_smp_exception());
       }).then([] {
           print("\n%d tests / %d failures\n", tests, fails);
           engine.exit(fails ? 1 : 0);
       });
    });
}