taskflow/unittests/test_workers.cpp at master · ModuleWorks/taskflow · GitHub

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#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN

#include <doctest.h>

#include <taskflow/taskflow.hpp>

class CustomWorkerBehavior : public tf::WorkerInterface {

public:

CustomWorkerBehavior(std::atomic<size_t>& counter, std::vector<size_t>& ids) :

_counter {counter},

_ids {ids} {

}

void scheduler_prologue(tf::Worker& wv) override {

_counter++;

std::scoped_lock lock(_mutex);

_ids.push_back(wv.id());

}

void scheduler_epilogue(tf::Worker&, std::exception_ptr) override {

_counter++;

}

std::atomic<size_t>& _counter;

std::vector<size_t>& _ids;

std::mutex _mutex;

};

TEST_CASE("WorkerInterface" * doctest::timeout(300)) {

const size_t N = 10;

for(size_t n=1; n<=N; n++) {

std::atomic<size_t> counter{0};

std::vector<size_t> ids;

{

tf::Executor executor(n, std::make_shared<CustomWorkerBehavior>(counter, ids));

}

REQUIRE(counter == n*2);

REQUIRE(ids.size() == n);

std::sort(ids.begin(), ids.end(), std::less<int>{});

for(size_t i=0; i<n; i++) {

REQUIRE(ids[i] == i);

}

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