main.cpp
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/*
* Copyright (C) 2015 Hamburg University of Applied Sciences (HAW)
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup tests
* @{
*
* @file
* @brief test thread replacement header
*
* @author Raphael Hiesgen <raphael.hiesgen@haw-hamburg.de>
*
* @}
*/
#include <string>
#include <cstdio>
#include <cassert>
#include <system_error>
#include "riot/mutex.hpp"
#include "riot/chrono.hpp"
#include "riot/thread.hpp"
#include "riot/condition_variable.hpp"
using namespace std;
using namespace riot;
/* http://en.cppreference.com/w/cpp/thread/thread */
int main() {
puts("\n************ C++ thread test ***********");
assert(sched_num_threads == 2); // main + idle
puts("Creating one thread and passing an argument ...");
{
constexpr int i = 3;
thread t([=](const int j) { assert(j == i); }, i);
try {
t.join();
}
catch (const std::system_error& e) {
assert(false);
}
}
puts("Done\n");
assert(sched_num_threads == 2);
puts("Creating detached thread ...");
{
thread t([] {
// nop
});
assert(t.joinable() == 1);
t.detach();
assert(t.joinable() == 0);
}
puts("Done\n");
assert(sched_num_threads == 2);
puts("Join on 'finished' thread ...");
{
thread t;
assert(t.joinable() == 0);
t = thread([] {
// nop
});
assert(t.joinable() == 1);
try {
t.join();
}
catch (const std::system_error& e) {
assert(false);
}
}
puts("Done\n");
assert(sched_num_threads == 2);
puts("Join on 'running' thread ...");
{
mutex m;
thread t1, t2;
condition_variable cv;
assert(t1.joinable() == 0);
assert(t2.joinable() == 0);
t1 = thread([&m, &cv] {
unique_lock<mutex> lk(m);
cv.wait(lk);
});
assert(t1.joinable() == 1);
t2 = thread([&t1] {
try {
t1.join();
}
catch (const std::system_error& e) {
assert(false);
}
});
assert(t2.joinable() == 1);
cv.notify_one();
try {
t2.join();
}
catch (const std::system_error& e) {
assert(false);
}
assert(t1.joinable() == 0);
assert(t2.joinable() == 0);
}
puts("Done\n");
assert(sched_num_threads == 2);
puts("Testing sleep_for ...");
{
timex_t before, after;
xtimer_now_timex(&before);
this_thread::sleep_for(chrono::seconds(1));
xtimer_now_timex(&after);
auto diff = timex_sub(after, before);
assert(diff.seconds >= 1);
}
puts("Done\n");
assert(sched_num_threads == 2);
puts("Testing sleep_until ...");
{
timex_t before, after;
xtimer_now_timex(&before);
this_thread::sleep_until(riot::now() += chrono::seconds(1));
xtimer_now_timex(&after);
auto diff = timex_sub(after, before);
assert(diff.seconds >= 1);
}
puts("Done\n");
assert(sched_num_threads == 2);
puts("Swapping two threads ...");
{
thread t1([] {
// nop
});
thread t2([] {
// nop
});
auto t1_old = t1.get_id();
auto t2_old = t2.get_id();
t1.swap(t2);
assert(t1_old == t2.get_id());
assert(t2_old == t1.get_id());
t1.join();
t2.join();
}
puts("Done\n");
assert(sched_num_threads == 2);
puts("Move constructor ...");
{
thread t1([] {
// nop
});
thread t2(move(t1));
assert(t1.joinable() == 0);
assert(t2.joinable() == 1);
t2.join();
}
puts("Done\n");
assert(sched_num_threads == 2);
puts("Bye, bye.");
puts("******************************************");
return 0;
}