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/*
* Copyright (C) 2005-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#include "utils/CryptThreading.h"
#if (OPENSSL_VERSION_NUMBER < 0x10100000L)
#include "threads/SingleLock.h"
#include <atomic>
#include <set>
#include <thread>
#include <vector>
#include <gtest/gtest.h>
TEST(TestCryptThreadingInitializer, General)
{
std::cout << "g_cryptThreadingInitializer address: " <<
testing::PrintToString(&g_cryptThreadingInitializer) << "\n";
}
#define PVTID_NUM_THREADS 10
TEST(TestCryptThreadingInitializer, ProducesValidThreadIds)
{
std::thread testThreads[PVTID_NUM_THREADS];
std::vector<unsigned long> gatheredIds;
CCriticalSection gatheredIdsMutex;
std::atomic<unsigned long> threadsWaiting{0};
std::atomic<bool> gate{false};
for (int i = 0; i < PVTID_NUM_THREADS; i++)
{
testThreads[i] = std::thread([&gatheredIds, &gatheredIdsMutex, &threadsWaiting, &gate]() {
threadsWaiting++;
while (!gate);
unsigned long myTid = g_cryptThreadingInitializer.GetCurrentCryptThreadId();
{
CSingleLock gatheredIdsLock(gatheredIdsMutex);
gatheredIds.push_back(myTid);
}
});
}
gate = true;
for (int i = 0; i < PVTID_NUM_THREADS; i++)
// This is somewhat dangerous but C++ doesn't have a join with timeout or a way to check
// if a thread is still running.
testThreads[i].join();
// Verify that all of the thread id's are unique, and that there are 10 of them, and that none
// of them is zero
std::set<unsigned long> checkIds;
for (std::vector<unsigned long>::const_iterator i = gatheredIds.begin(); i != gatheredIds.end(); ++i)
{
unsigned long curId = *i;
// Thread ID isn't zero (since the sequence is pre-incremented and starts at 0)
ASSERT_TRUE(curId != 0);
// Make sure the ID isn't duplicated
ASSERT_TRUE(checkIds.find(curId) == checkIds.end());
checkIds.insert(curId);
}
// Make sure there's exactly PVTID_NUM_THREADS of them
ASSERT_EQ(PVTID_NUM_THREADS, gatheredIds.size());
ASSERT_EQ(PVTID_NUM_THREADS, checkIds.size());
}
#endif
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