void f2()
{
time_point t0 = Clock::now();
BOOST_TEST(m.try_lock_until(Clock::now() + ms(250)) == false);
time_point t1 = Clock::now();
ns d = t1 - t0 - ms(250);
// This test is spurious as it depends on the time the thread system switches the threads
BOOST_TEST(d < ns(5000000)+ms(1000)); // within 5ms
}
void basic_examples()
{
std::cout << "Running basic examples\n";
using namespace boost;
using namespace boost::chrono;
system_clock::time_point time_limit = system_clock::now() + seconds(4) + milliseconds(500);
this_thread::sleep_for(seconds(3));
this_thread::sleep_for(nanoseconds(300));
this_thread::sleep_until(time_limit);
// this_thread::sleep_for(time_limit); // desired compile-time error
// this_thread::sleep_until(seconds(3)); // desired compile-time error
mut.try_lock_for(milliseconds(30));
mut.try_lock_until(time_limit);
// mut.try_lock_for(time_limit); // desired compile-time error
// mut.try_lock_until(milliseconds(30)); // desired compile-time error
cv.wait_for(m, minutes(1)); // real code would put this in a loop
cv.wait_until(m, time_limit); // real code would put this in a loop
// For those who prefer floating point
this_thread::sleep_for(duration<double>(0.25));
this_thread::sleep_until(system_clock::now() + duration<double>(1.5));
}