libcamera/test/timer-thread.cpp
Laurent Pinchart d767c84022 libcamera: Move EventDispatcher to internal API
There's no user of the EventDispatcher (and the related EventNotifier
and Timer classes) outside of libcamera. Move those classes to the
internal API.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2020-11-15 22:21:28 +02:00

106 lines
1.8 KiB
C++

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* timer-thread.cpp - Threaded timer test
*/
#include <chrono>
#include <iostream>
#include "libcamera/internal/event_dispatcher.h"
#include "libcamera/internal/thread.h"
#include "libcamera/internal/timer.h"
#include "test.h"
using namespace std;
using namespace libcamera;
class TimeoutHandler : public Object
{
public:
TimeoutHandler()
: timer_(this), timeout_(false)
{
timer_.timeout.connect(this, &TimeoutHandler::timeoutHandler);
timer_.start(100);
}
void restart()
{
timeout_ = false;
timer_.start(100);
}
bool timeout() const
{
return timeout_;
}
private:
void timeoutHandler([[maybe_unused]] Timer *timer)
{
timeout_ = true;
}
Timer timer_;
bool timeout_;
};
class TimerThreadTest : public Test
{
protected:
int init()
{
thread_.start();
timeout_.moveToThread(&thread_);
return TestPass;
}
int run()
{
/*
* Test that the timer expires and emits the timeout signal in
* the thread it belongs to.
*/
this_thread::sleep_for(chrono::milliseconds(200));
if (!timeout_.timeout()) {
cout << "Timer expiration test failed" << endl;
return TestFail;
}
/*
* Test that starting the timer from another thread fails. We
* need to interrupt the event dispatcher to make sure we don't
* succeed simply because the event dispatcher hasn't noticed
* the timer restart.
*/
timeout_.restart();
thread_.eventDispatcher()->interrupt();
this_thread::sleep_for(chrono::milliseconds(200));
if (timeout_.timeout()) {
cout << "Timer restart test failed" << endl;
return TestFail;
}
return TestPass;
}
void cleanup()
{
/* Must stop thread before destroying timeout. */
thread_.exit(0);
thread_.wait();
}
private:
TimeoutHandler timeout_;
Thread thread_;
};
TEST_REGISTER(TimerThreadTest)