50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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#include "job/queue.hpp"
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#include "tap.hpp"
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#include <chrono>
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#include <iostream>
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#include <thread>
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///////////////////////////////////////////////////////////////////////////////
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void sleep_inc (std::atomic<int> &count) noexcept
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{
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++count;
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}
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///////////////////////////////////////////////////////////////////////////////
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int
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main (void)
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{
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cruft::TAP::logger tap;
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// dispatch `INNER' simple jobs `OUTTER' times that simply increment an
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// atomic variable and quit. this tests that all threads are created,
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// executed, and finished. it's not definitive, but executing this many
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// items this many times seems reasonably reliable in exposing deadlocks.
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bool success = true;
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constexpr int OUTTER = 4;
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constexpr int INNER = 1<<10;
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for (auto i = 0; i < OUTTER && success; ++i) {
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std::atomic<int> count = 0;
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{
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cruft::job::queue q {std::thread::hardware_concurrency (), INNER};
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std::vector<cruft::job::queue::cookie> cookies;
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std::generate_n (std::back_inserter (cookies), INNER, [&] () {
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return q.submit (
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sleep_inc,
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std::ref (count)
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);
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});
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}
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success = count == INNER && success;
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}
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tap.expect (success, "{} trivial increment jobs of size {}", OUTTER, INNER);
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return tap.status ();
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} |