Changeset View
Changeset View
Standalone View
Standalone View
src/test/util_threadnames_tests.cpp
- This file was added.
// Copyright (c) 2018 The Bitcoin Core developers | |||||
// Distributed under the MIT software license, see the accompanying | |||||
// file COPYING or http://www.opensource.org/licenses/mit-license.php. | |||||
#include <util/threadnames.h> | |||||
#if defined(HAVE_CONFIG_H) | |||||
#include <config/bitcoin-config.h> | |||||
#endif | |||||
#include <test/setup_common.h> | |||||
#include <boost/test/unit_test.hpp> | |||||
#include <mutex> | |||||
#include <set> | |||||
#include <thread> | |||||
#include <vector> | |||||
BOOST_FIXTURE_TEST_SUITE(util_threadnames_tests, BasicTestingSetup) | |||||
const std::string TEST_THREAD_NAME_BASE = "test_thread."; | |||||
/** | |||||
* Run a bunch of threads to all call util::ThreadRename. | |||||
* | |||||
* @return the set of name each thread has after attempted renaming. | |||||
*/ | |||||
std::set<std::string> RenameEnMasse(int num_threads) { | |||||
std::vector<std::thread> threads; | |||||
std::set<std::string> names; | |||||
std::mutex lock; | |||||
auto RenameThisThread = [&](int i) { | |||||
util::ThreadRename(TEST_THREAD_NAME_BASE + std::to_string(i)); | |||||
std::lock_guard<std::mutex> guard(lock); | |||||
names.insert(util::ThreadGetInternalName()); | |||||
}; | |||||
for (int i = 0; i < num_threads; ++i) { | |||||
threads.push_back(std::thread(RenameThisThread, i)); | |||||
} | |||||
for (std::thread &thread : threads) { | |||||
thread.join(); | |||||
} | |||||
return names; | |||||
} | |||||
/** | |||||
* Rename a bunch of threads with the same basename (expect_multiple=true), | |||||
* ensuring suffixes are applied properly. | |||||
*/ | |||||
BOOST_AUTO_TEST_CASE(util_threadnames_test_rename_threaded) { | |||||
BOOST_CHECK_EQUAL(util::ThreadGetInternalName(), ""); | |||||
std::set<std::string> names = RenameEnMasse(100); | |||||
BOOST_CHECK_EQUAL(names.size(), 100); | |||||
// Names "test_thread.[n]" should exist for n = [0, 99] | |||||
for (int i = 0; i < 100; ++i) { | |||||
BOOST_CHECK(names.find(TEST_THREAD_NAME_BASE + std::to_string(i)) != | |||||
names.end()); | |||||
} | |||||
} | |||||
BOOST_AUTO_TEST_SUITE_END() |