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#include "multi_resource_lock.h"
#include <util/generic/xrange.h>
#include <library/cpp/threading/future/async.h>
#include <library/cpp/testing/unittest/registar.h>
namespace NYql {
using namespace NThreading;
Y_UNIT_TEST_SUITE(TMultiResourceLock) {
Y_UNIT_TEST(ManyResources) {
TMultiResourceLock multiLock;
const int workersCount = 3;
TVector<TVector<int>> workersData;
workersData.resize(workersCount);
TAdaptiveThreadPool queue;
queue.Start(0);
TVector<NThreading::TFuture<void>> workers;
workers.reserve(workersCount);
TManualEvent startEvent;
for (int i = 0; i < workersCount; ++i) {
TString resourceId = ToString(i);
TVector<int>& data = workersData.at(i);
NThreading::TFuture<void> f = NThreading::Async([&, resourceId]() {
startEvent.Wait();
for (int j = 0; j < 1000; ++j) {
const auto& l = multiLock.Acquire(resourceId);
Y_UNUSED(l);
data.push_back(j);
}
}, queue);
workers.push_back(std::move(f));
}
startEvent.Signal();
NThreading::TFuture<void> all = NThreading::WaitExceptionOrAll(workers);
all.GetValueSync();
queue.Stop();
// analyze workersData:
auto range0_999 = xrange(0, 1000);
for (auto& w : workersData) {
UNIT_ASSERT_VALUES_EQUAL(w.size(), 1000);
UNIT_ASSERT(std::equal(range0_999.begin(), range0_999.end(), w.begin()));
}
}
}
}
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