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#include <library/cpp/testing/unittest/registar.h>
#include <library/cpp/actors/core/events.h>
#include <library/cpp/actors/core/event_local.h>
#include <library/cpp/actors/interconnect/interconnect_common.h>
#include <library/cpp/monlib/dynamic_counters/counters.h>
#include <library/cpp/actors/interconnect/event_holder_pool.h>
#include <atomic>
using namespace NActors;
template<typename T>
TEventHolderPool Setup(T&& callback) {
auto common = MakeIntrusive<TInterconnectProxyCommon>();
common->DestructorQueueSize = std::make_shared<std::atomic<TAtomicBase>>();
common->MaxDestructorQueueSize = 1024 * 1024;
return TEventHolderPool(common, callback);
}
Y_UNIT_TEST_SUITE(EventHolderPool) {
Y_UNIT_TEST(Overflow) {
TDeque<THolder<IEventBase>> freeQ;
auto callback = [&](THolder<IEventBase> event) {
freeQ.push_back(std::move(event));
};
auto pool = Setup(std::move(callback));
std::list<TEventHolder> q;
auto& ev1 = pool.Allocate(q);
ev1.Buffer = MakeIntrusive<TEventSerializedData>(TString::Uninitialized(512 * 1024), TEventSerializationInfo{});
auto& ev2 = pool.Allocate(q);
ev2.Buffer = MakeIntrusive<TEventSerializedData>(TString::Uninitialized(512 * 1024), TEventSerializationInfo{});
auto& ev3 = pool.Allocate(q);
ev3.Buffer = MakeIntrusive<TEventSerializedData>(TString::Uninitialized(512 * 1024), TEventSerializationInfo{});
auto& ev4 = pool.Allocate(q);
ev4.Buffer = MakeIntrusive<TEventSerializedData>(TString::Uninitialized(512 * 1024), TEventSerializationInfo{});
pool.Release(q, q.begin());
pool.Release(q, q.begin());
pool.Trim();
UNIT_ASSERT_VALUES_EQUAL(freeQ.size(), 1);
pool.Release(q, q.begin());
UNIT_ASSERT_VALUES_EQUAL(freeQ.size(), 1);
freeQ.clear();
pool.Release(q, q.begin());
pool.Trim();
UNIT_ASSERT_VALUES_EQUAL(freeQ.size(), 1);
freeQ.clear(); // if we don't this, we may probablty crash due to the order of object destruction
}
}
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