OVMS3-idf/components/pthread/test/test_pthread_cxx.cpp
2017-09-06 10:30:23 +08:00

83 lines
2.3 KiB
C++

#include <iostream>
#include <thread>
#include <mutex>
#include "unity.h"
#if __GTHREADS && __GTHREADS_CXX0X
static std::shared_ptr<int> global_sp;
static std::mutex mtx;
static std::recursive_mutex recur_mtx;
static void thread_do_nothing() {}
static void thread_main()
{
int i = 0;
std::cout << "thread_main CXX " << std::hex << std::this_thread::get_id() << std::endl;
while (i < 3) {
int old_val, new_val;
// mux test
mtx.lock();
old_val = *global_sp;
std::this_thread::yield();
(*global_sp)++;
std::this_thread::yield();
new_val = *global_sp;
mtx.unlock();
std::cout << "thread " << std::hex << std::this_thread::get_id() << ": " << i++ << " val= " << *global_sp << std::endl;
TEST_ASSERT_TRUE(new_val == old_val + 1);
// sleep_for test
std::chrono::milliseconds dur(300);
std::this_thread::sleep_for(dur);
// recursive mux test
recur_mtx.lock();
recur_mtx.lock();
old_val = *global_sp;
std::this_thread::yield();
(*global_sp)++;
std::this_thread::yield();
new_val = *global_sp;
recur_mtx.unlock();
recur_mtx.unlock();
std::cout << "thread " << std::hex << std::this_thread::get_id() << ": " << i++ << " val= " << *global_sp << std::endl;
TEST_ASSERT_TRUE(new_val == old_val + 1);
// sleep_until test
using std::chrono::system_clock;
std::time_t tt = system_clock::to_time_t(system_clock::now());
struct std::tm *ptm = std::localtime(&tt);
ptm->tm_sec++;
std::this_thread::sleep_until(system_clock::from_time_t (mktime(ptm)));
}
}
TEST_CASE("pthread CXX", "[pthread]")
{
global_sp.reset(new int(1));
std::thread t1(thread_do_nothing);
t1.join();
std::thread t2(thread_main);
std::cout << "Detach thread " << std::hex << t2.get_id() << std::endl;
t2.detach();
TEST_ASSERT_FALSE(t2.joinable());
std::thread t3(thread_main);
std::thread t4(thread_main);
if (t3.joinable()) {
std::cout << "Join thread " << std::hex << t3.get_id() << std::endl;
t3.join();
}
if (t4.joinable()) {
std::cout << "Join thread " << std::hex << t4.get_id() << std::endl;
t4.join();
}
}
#endif