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// waiting with times in the past returns '-1'.
// --------------------------------------------------------------------
if (verbose) cout << "Basic forwarding test" << endl
<< "=====================" << endl;
{
Obj x;
bslmt::Mutex lock;
lock.lock();
bsls::Stopwatch timer;
timer.start();
x.timedWait(&lock, bsls::SystemTime::nowRealtimeClock() + 2);
double elapsed = timer.elapsedTime();
ASSERT(1.8 <= elapsed && elapsed <= 2.2);
lock.unlock();
}
if (verbose) cout << "Test condition with realtime clock" << endl
<< "==================================" << endl;
{
Obj x(bsls::SystemClockType::e_REALTIME);
bslmt::Mutex lock;
lock.lock();
bsls::Stopwatch timer;
timer.start();
int rv = x.timedWait(&lock,
bsls::SystemTime::nowRealtimeClock() + 2);
double elapsed = timer.elapsedTime();
ASSERT(Obj::e_TIMED_OUT == rv);
ASSERT(1.8 <= elapsed && elapsed <= 2.2);
timer.start();
rv = x.timedWait(&lock,
bsls::SystemTime::nowRealtimeClock() - 1);
elapsed = timer.elapsedTime();
ASSERT(Obj::e_TIMED_OUT == rv);
ASSERT(0.0 <= elapsed && elapsed <= 3.0);
lock.unlock();
}
if (verbose) cout << "Test condition with monotonic clock" << endl
<< "===================================" << endl;
{
Obj x(bsls::SystemClockType::e_MONOTONIC);
bslmt::Mutex lock;
lock.lock();
bsls::Stopwatch timer;
timer.start();
int rv = x.timedWait(&lock,
bsls::SystemTime::nowMonotonicClock() + 2);
double elapsed = timer.elapsedTime();
ASSERT(Obj::e_TIMED_OUT == rv);
ASSERT(1.8 <= elapsed && elapsed <= 2.2);
timer.start();
rv = x.timedWait(&lock,
bsls::SystemTime::nowMonotonicClock() - 1);
elapsed = timer.elapsedTime();
ASSERT(Obj::e_TIMED_OUT == rv);
ASSERT(0.0 <= elapsed && elapsed <= 3.0);
lock.unlock();
}
#ifdef BSLS_LIBRARYFEATURES_HAS_CPP11_BASELINE_LIBRARY
if (verbose) cout << "Test condition with chrono clocks" << endl
<< "=================================" << endl;
{
using namespace bsl::chrono;
Obj x;
bslmt::Mutex lock;
lock.lock();
ASSERT(Obj::e_TIMED_OUT ==
WaitForTimeout<steady_clock>(x, &lock, 2));
ASSERT(Obj::e_TIMED_OUT ==
WaitForTimeout<system_clock>(x, &lock, 2));
ASSERT(Obj::e_TIMED_OUT ==
WaitForTimeout<AnotherClock>(x, &lock, 2));
ASSERT(Obj::e_TIMED_OUT ==
WaitForTimeout<HalfClock>(x, &lock, 2));
lock.unlock();
}
#endif
} break;
default: {
cerr << "WARNING: CASE `" << test << "' NOT FOUND." << endl;
testStatus = -1;