Revision control
Copy as Markdown
Other Tools
/*
* (C) 2019 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include "tests.h"
#if defined(BOTAN_TARGET_OS_HAS_THREADS) && defined(BOTAN_HAS_THREAD_UTILS)
#include <botan/internal/thread_pool.h>
#include <chrono>
namespace Botan_Tests {
// TODO test Barrier
// TODO test Semaphore
namespace {
Test::Result thread_pool() {
Test::Result result("Thread_Pool");
// Using lots of threads since here the works spend most of the time sleeping
Botan::Thread_Pool pool(16);
auto sleep_or_throw = [](size_t x) -> size_t {
std::this_thread::sleep_for(std::chrono::milliseconds((x * 97) % 127));
if(x % 2 == 0) {
throw x; // NOLINT(hicpp-exception-baseclass)
}
return x;
};
std::vector<std::future<size_t>> futures;
for(size_t i = 0; i != 100; ++i) {
auto fut = pool.run(sleep_or_throw, i);
futures.push_back(std::move(fut));
}
for(size_t i = 0; i != futures.size(); ++i) {
if(i % 2 == 0) {
try {
futures[i].get();
result.test_failure("Expected future to throw");
} catch(size_t x) {
result.test_eq("Expected thrown value", x, i);
}
} else {
result.test_eq("Expected return value", futures[i].get(), i);
}
}
pool.shutdown();
return result;
}
BOTAN_REGISTER_TEST_FN("utils", "thread_pool", thread_pool);
} // namespace
} // namespace Botan_Tests
#endif