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/******************************************************************************
* ____ _ _____ *
* / ___| / \ | ___| C++ *
* | | / _ \ | |_ Actor *
* | |___ / ___ \| _| Framework *
* \____/_/ \_|_| *
* *
* Copyright 2011-2018 Dominik Charousset *
* *
* Distributed under the terms and conditions of the BSD 3-Clause License or *
* (at your option) under the terms and conditions of the Boost Software *
* License 1.0. See accompanying files LICENSE and LICENSE_ALTERNATIVE. *
* *
* If you did not receive a copy of the license files, see *
* http://opensource.org/licenses/BSD-3-Clause and *
* http://www.boost.org/LICENSE_1_0.txt. *
******************************************************************************/
#define CAF_SUITE message_lifetime
#include "core-test.hpp"
#include <atomic>
#include <iostream>
#include "caf/all.hpp"
using namespace caf;
namespace {
class testee : public event_based_actor {
public:
testee(actor_config& cfg) : event_based_actor(cfg) {
// nop
}
~testee() override {
// nop
}
behavior make_behavior() override {
// reflecting a message increases its reference count by one
set_default_handler(reflect_and_quit);
return {
[] {
// nop
}
};
}
};
class tester : public event_based_actor {
public:
tester(actor_config& cfg, actor aut)
: event_based_actor(cfg),
aut_(std::move(aut)),
msg_(make_message(1, 2, 3)) {
set_down_handler([=](down_msg& dm) {
CAF_CHECK_EQUAL(dm.reason, exit_reason::normal);
CAF_CHECK_EQUAL(dm.source, aut_.address());
quit();
});
}
behavior make_behavior() override {
monitor(aut_);
send(aut_, msg_);
return {
[=](int a, int b, int c) {
CAF_CHECK_EQUAL(a, 1);
CAF_CHECK_EQUAL(b, 2);
CAF_CHECK_EQUAL(c, 3);
}
};
}
private:
actor aut_;
message msg_;
};
struct config : actor_system_config {
config() {
add_message_types<id_block::core_test>();
}
};
struct fixture {
config cfg;
actor_system system{cfg};
};
} // namespace
CAF_TEST_FIXTURE_SCOPE(message_lifetime_tests, fixture)
CAF_TEST(nocopy_in_scoped_actor) {
auto msg = make_message(fail_on_copy{1});
scoped_actor self{system};
self->send(self, msg);
self->receive(
[&](const fail_on_copy& x) {
CAF_CHECK_EQUAL(x.value, 1);
CAF_CHECK_EQUAL(msg.cvals()->get_reference_count(), 2u);
}
);
CAF_CHECK_EQUAL(msg.cvals()->get_reference_count(), 1u);
}
CAF_TEST(message_lifetime_in_scoped_actor) {
auto msg = make_message(1, 2, 3);
scoped_actor self{system};
self->send(self, msg);
self->receive(
[&](int a, int b, int c) {
CAF_CHECK_EQUAL(a, 1);
CAF_CHECK_EQUAL(b, 2);
CAF_CHECK_EQUAL(c, 3);
CAF_CHECK_EQUAL(msg.cvals()->get_reference_count(), 2u);
}
);
CAF_CHECK_EQUAL(msg.cvals()->get_reference_count(), 1u);
msg = make_message(42);
self->send(self, msg);
CAF_CHECK_EQUAL(msg.cvals()->get_reference_count(), 2u);
self->receive(
[&](int& value) {
CAF_CHECK_NOT_EQUAL(&value, msg.at(0));
value = 10;
}
);
CAF_CHECK_EQUAL(msg.get_as<int>(0), 42);
}
CAF_TEST(message_lifetime_in_spawned_actor) {
for (size_t i = 0; i < 100; ++i)
system.spawn<tester>(system.spawn<testee>());
}
CAF_TEST_FIXTURE_SCOPE_END()
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