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// 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. | ||
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#include <util/threadnames.h> | ||
#include <test/setup_common.h> | ||
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#include <thread> | ||
#include <vector> | ||
#include <set> | ||
#include <mutex> | ||
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#if defined(HAVE_CONFIG_H) | ||
#include <config/bitcoin-config.h> | ||
#endif | ||
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#include <boost/test/unit_test.hpp> | ||
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BOOST_FIXTURE_TEST_SUITE(util_threadnames_tests, BasicTestingSetup) | ||
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const std::string TEST_THREAD_NAME_BASE = "test_thread."; | ||
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/** | ||
* 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; | ||
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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()); | ||
}; | ||
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for (int i = 0; i < num_threads; ++i) { | ||
threads.push_back(std::thread(RenameThisThread, i)); | ||
} | ||
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for (std::thread& thread : threads) thread.join(); | ||
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return names; | ||
} | ||
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/** | ||
* 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(), ""); | ||
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std::set<std::string> names = RenameEnMasse(100); | ||
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BOOST_CHECK_EQUAL(names.size(), 100); | ||
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// 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()); | ||
} | ||
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} | ||
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BOOST_AUTO_TEST_SUITE_END() |