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#include <trompeloeil.hpp>
#include <iterator>
#include <thread>
#include <atomic>
#include <iostream>
#include <cassert>
class C
{
public:
MAKE_MOCK0(func, int(void));
std::unique_ptr<trompeloeil::expectation> allow;
};
static std::mutex ptr_mutex;
inline auto get_lock()
{
return std::unique_lock<std::mutex>{ ptr_mutex };
}
static std::shared_ptr<C> obj;
inline std::shared_ptr<C> get_obj()
{
auto lock = get_lock();
return obj;
}
static std::atomic<std::size_t> call_count[7];
static std::atomic<std::size_t> ret_count[7];
static void init_obj()
{
auto m = std::make_shared<C>();
m->allow = NAMED_ALLOW_CALL(*m, func())
.SIDE_EFFECT(++call_count[0])
.RETURN(0);
auto lock = get_lock();
obj = m;
}
static void make(size_t count)
{
while (count--)
{
init_obj();
}
}
static void call(size_t count)
{
while (count--)
{
if (auto m = get_obj())
{
ret_count[m->func()]++;
}
}
}
static void allow(size_t count, int id)
{
std::unique_ptr<trompeloeil::expectation> exp;
while (count--)
{
if (auto m = get_obj())
{
exp = NAMED_ALLOW_CALL(*m, func())
.SIDE_EFFECT(++call_count[id])
.RETURN(id);
assert(exp->is_satisfied());
assert(!exp->is_saturated());
}
}
}
int main()
{
trompeloeil::set_reporter([](auto , auto , auto, auto&)
{
abort();
});
init_obj();
size_t count = 100000;
std::vector<std::thread> allowers;
std::vector<std::thread> callers;
allowers.reserve(6);
callers.reserve(6);
auto maker = std::thread(make, count);
for (int i = 1; i <= 6; ++i)
{
allowers.emplace_back(allow, count, i);
callers.emplace_back(call, count);
}
for (auto& t : callers) t.join();
for (auto& t : allowers) t.join();
maker.join();
std::cout << "calls ";
std::copy(std::begin(call_count), std::end(call_count),
std::ostream_iterator<std::size_t>(std::cout, " "));
std::cout << "\nreturns ";
std::copy(std::begin(ret_count), std::end(ret_count),
std::ostream_iterator<std::size_t>(std::cout, " "));
std::cout << "\n";
assert(std::equal(std::begin(call_count), std::end(call_count),
std::begin(ret_count), std::end(ret_count)));
obj.reset();
}
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