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#define BOOST_TEST_MODULE test_worker
#include "testHelpers.h"
#include <boost/test/unit_test.hpp>
#include <set>
#include <stream_support.h>
#include <worker.h>
uint32_t
workCounter()
{
static std::atomic_uint32_t n;
usleep(1000);
return n++;
}
void
workVoid()
{
usleep(1000);
}
void
workFail()
{
usleep(1000);
throw std::runtime_error {"test"};
}
BOOST_AUTO_TEST_CASE(basic_slow_counter)
{
std::vector<Worker::WorkPtrT<uint32_t>> ps;
for (int i {}; i < 30; ++i) {
ps.push_back(Worker::addWork(workCounter));
}
std::set<uint32_t> out;
std::transform(ps.begin(), ps.end(), std::inserter(out, out.end()), [](auto && p) {
return p->get();
});
BOOST_REQUIRE_EQUAL(out.size(), ps.size());
BOOST_CHECK_EQUAL(*out.begin(), 0);
BOOST_CHECK_EQUAL(*out.rbegin(), ps.size() - 1);
}
BOOST_AUTO_TEST_CASE(basic_error_handler)
{
auto workitem = Worker::addWork(workFail);
BOOST_CHECK_THROW(workitem->get(), std::runtime_error);
}
BOOST_AUTO_TEST_CASE(basic_void_work)
{
auto workitem = Worker::addWork(workVoid);
BOOST_CHECK_NO_THROW(workitem->get());
}
BOOST_AUTO_TEST_CASE(lambda_void)
{
BOOST_CHECK_NO_THROW(Worker::addWork([]() {})->get());
BOOST_CHECK_NO_THROW(Worker::addWork([](int) {}, 0)->get());
BOOST_CHECK_NO_THROW(Worker::addWork([](int, int) {}, 0, 0)->get());
}
BOOST_AUTO_TEST_CASE(lambda_value)
{
BOOST_CHECK_EQUAL(1, Worker::addWork([]() {
return 1;
})->get());
BOOST_CHECK_EQUAL(2,
Worker::addWork(
[](int i) {
return i;
},
2)
->get());
BOOST_CHECK_EQUAL(3,
Worker::addWork(
[](int i, int j) {
return i + j;
},
1, 2)
->get());
}
BOOST_AUTO_TEST_CASE(recursive, *boost::unit_test::timeout(5))
{
auto recurse = []() {
std::vector<Worker::WorkPtrT<uint32_t>> ps;
for (int i {}; i < 30; ++i) {
ps.push_back(Worker::addWork(workCounter));
}
return std::accumulate(ps.begin(), ps.end(), 0U, [](auto && out, auto && p) {
return out += p->get();
});
};
std::vector<Worker::WorkPtrT<uint32_t>> ps;
for (int i {}; i < 30; ++i) {
ps.push_back(Worker::addWork(recurse));
}
std::set<uint32_t> out;
std::transform(ps.begin(), ps.end(), std::inserter(out, out.end()), [](auto && p) {
return p->get();
});
}
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