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// This file is part of CAF, the C++ Actor Framework. See the file LICENSE in
// the main distribution directory for license terms and copyright or visit
// https://github.com/actor-framework/actor-framework/blob/master/LICENSE.
#define CAF_SUITE actor_clock
#include "caf/actor_clock.hpp"
#include "core-test.hpp"
#include <chrono>
#include <memory>
#include "caf/all.hpp"
#include "caf/detail/test_actor_clock.hpp"
using namespace caf;
using namespace std::chrono_literals;
namespace {
struct testee_state {
event_based_actor* self;
disposable pending;
bool run_delayed_called = false;
testee_state(event_based_actor* self) : self(self) {
// nop
}
behavior make_behavior() {
self->set_exit_handler([this](exit_msg& x) { self->quit(x.reason); });
self->set_error_handler([](scheduled_actor*, error&) {});
return {
[this](ok_atom) {
CAF_LOG_TRACE("" << self->current_mailbox_element()->content());
pending = self->run_delayed(10s, [this] { run_delayed_called = true; });
},
[](const std::string&) { CAF_LOG_TRACE(""); },
[this](group& grp) {
CAF_LOG_TRACE("");
self->join(grp);
},
};
}
};
using testee_actor = stateful_actor<testee_state>;
struct fixture : test_coordinator_fixture<> {
detail::test_actor_clock& t;
actor aut;
fixture() : t(sched.clock()), aut(sys.spawn<testee_actor, lazy_init>()) {
// nop
}
auto& state() {
return deref<testee_actor>(aut).state;
}
};
} // namespace
BEGIN_FIXTURE_SCOPE(fixture)
CAF_TEST(run_delayed without dispose) {
// Have AUT call self->run_delayed().
self->send(aut, ok_atom_v);
expect((ok_atom), from(self).to(aut).with(_));
CHECK_EQ(t.schedule.size(), 1u);
// Advance time to trigger timeout.
t.advance_time(10s);
CHECK_EQ(t.schedule.size(), 0u);
// Have AUT receive the action.
expect((action), to(aut));
CHECK(state().run_delayed_called);
}
CAF_TEST(run_delayed with dispose before expire) {
// Have AUT call self->run_delayed().
self->send(aut, ok_atom_v);
expect((ok_atom), from(self).to(aut).with(_));
state().pending.dispose();
CHECK_EQ(t.schedule.size(), 1u);
// Advance time, but the clock drops the disposed callback.
t.advance_time(10s);
CHECK_EQ(t.schedule.size(), 0u);
// Have AUT receive the timeout.
disallow((action), to(aut));
CHECK(!state().run_delayed_called);
}
CAF_TEST(run_delayed with dispose after expire) {
// Have AUT call self->run_delayed().
self->send(aut, ok_atom_v);
expect((ok_atom), from(self).to(aut).with(_));
CHECK_EQ(t.schedule.size(), 1u);
// Advance time to send timeout message.
t.advance_time(10s);
CHECK_EQ(t.schedule.size(), 0u);
// Have AUT receive the timeout but dispose it: turns into a nop.
state().pending.dispose();
expect((action), to(aut));
CHECK(!state().run_delayed_called);
}
CAF_TEST(delay_actor_message) {
// Schedule a message for now + 10s.
auto n = t.now() + 10s;
auto autptr = actor_cast<strong_actor_ptr>(aut);
t.schedule_message(n, autptr,
make_mailbox_element(autptr, make_message_id(), no_stages,
"foo"));
CHECK_EQ(t.schedule.size(), 1u);
// Advance time to send the message.
t.advance_time(10s);
CHECK_EQ(t.schedule.size(), 0u);
// Have AUT receive the message.
expect((std::string), from(aut).to(aut).with("foo"));
}
CAF_TEST(delay_group_message) {
// Have AUT join the group.
auto grp = sys.groups().anonymous();
self->send(aut, grp);
expect((group), from(self).to(aut).with(_));
// Schedule a message for now + 10s.
auto n = t.now() + 10s;
auto autptr = actor_cast<strong_actor_ptr>(aut);
t.schedule_message(n, std::move(grp), autptr, make_message("foo"));
CHECK_EQ(t.schedule.size(), 1u);
// Advance time to send the message.
t.advance_time(10s);
CHECK_EQ(t.schedule.size(), 0u);
// Have AUT receive the message.
expect((std::string), from(aut).to(aut).with("foo"));
// Kill AUT (necessary because the group keeps a reference around).
self->send_exit(aut, exit_reason::kill);
expect((exit_msg), from(self).to(aut).with(_));
}
END_FIXTURE_SCOPE()
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