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#include "catch.hpp"
#include <utils/timed_events.hpp>
/**
* Let Catch know how to display std::chrono::duration values
*/
namespace Catch
{
template<typename Rep, typename Period> struct StringMaker<std::chrono::duration<Rep, Period>>
{
static std::string convert(const std::chrono::duration<Rep, Period>& value)
{
return std::to_string(std::chrono::duration_cast<std::chrono::milliseconds>(value).count()) + "ms";
}
};
}
/**
* TODO, use a mock clock instead of relying on the real time with a sleep:
* it’s unreliable on heavy load.
*/
#include <thread>
TEST_CASE("Test timed event expiration")
{
SECTION("Check what happens when there is no events")
{
CHECK(TimedEventsManager::instance().get_timeout() == utils::no_timeout);
CHECK(TimedEventsManager::instance().execute_expired_events() == 0);
}
// Add a single event
TimedEventsManager::instance().add_event(TimedEvent(std::chrono::steady_clock::now() + 50ms, [](){}));
// The event should not yet be expired
CHECK(TimedEventsManager::instance().get_timeout() > 0ms);
CHECK(TimedEventsManager::instance().execute_expired_events() == 0);
std::chrono::milliseconds timoute = TimedEventsManager::instance().get_timeout();
INFO("Sleeping for " << timoute.count() << "ms");
std::this_thread::sleep_for(timoute + 1ms);
// Event is now expired
CHECK(TimedEventsManager::instance().execute_expired_events() == 1);
CHECK(TimedEventsManager::instance().get_timeout() == utils::no_timeout);
}
TEST_CASE("Test timed event cancellation")
{
auto now = std::chrono::steady_clock::now();
TimedEventsManager::instance().add_event(TimedEvent(now + 100ms, [](){ }, "un"));
TimedEventsManager::instance().add_event(TimedEvent(now + 200ms, [](){ }, "deux"));
TimedEventsManager::instance().add_event(TimedEvent(now + 300ms, [](){ }, "deux"));
CHECK(TimedEventsManager::instance().get_timeout() > 0ms);
CHECK(TimedEventsManager::instance().size() == 3);
CHECK(TimedEventsManager::instance().cancel("un") == 1);
CHECK(TimedEventsManager::instance().size() == 2);
CHECK(TimedEventsManager::instance().cancel("deux") == 2);
CHECK(TimedEventsManager::instance().get_timeout() == utils::no_timeout);
}
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