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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* timer.cpp - Timer test
*/
#include <iostream>
#include <libcamera/camera_manager.h>
#include <libcamera/event_dispatcher.h>
#include <libcamera/timer.h>
#include "test.h"
using namespace std;
using namespace libcamera;
class ManagedTimer : public Timer
{
public:
ManagedTimer()
: Timer(), interval_(0)
{
timeout.connect(this, &ManagedTimer::timeoutHandler);
}
void start(int msec)
{
interval_ = msec;
clock_gettime(CLOCK_MONOTONIC, &start_);
expiration_ = { 0, 0 };
Timer::start(msec);
}
int jitter()
{
int duration = (expiration_.tv_sec - start_.tv_sec) * 1000;
duration += (expiration_.tv_nsec - start_.tv_nsec) / 1000000;
return abs(duration - interval_);
}
private:
void timeoutHandler(Timer *timer)
{
clock_gettime(CLOCK_MONOTONIC, &expiration_);
}
int interval_;
struct timespec start_;
struct timespec expiration_;
};
class TimerTest : public Test
{
protected:
int init()
{
return 0;
}
int run()
{
EventDispatcher *dispatcher = CameraManager::instance()->eventDispatcher();
ManagedTimer timer;
ManagedTimer timer2;
/* Timer expiration. */
timer.start(1000);
if (!timer.isRunning()) {
cout << "Timer expiration test failed" << endl;
return TestFail;
}
dispatcher->processEvents();
if (timer.isRunning() || timer.jitter() > 50) {
cout << "Timer expiration test failed" << endl;
return TestFail;
}
/* Timer restart. */
timer.start(500);
if (!timer.isRunning()) {
cout << "Timer restart test failed" << endl;
return TestFail;
}
dispatcher->processEvents();
if (timer.isRunning() || timer.jitter() > 50) {
cout << "Timer restart test failed" << endl;
return TestFail;
}
/* Two timers. */
timer.start(1000);
timer2.start(300);
dispatcher->processEvents();
if (!timer.isRunning()) {
cout << "Two timers test failed" << endl;
return TestFail;
}
if (timer2.jitter() > 50) {
cout << "Two timers test failed" << endl;
return TestFail;
}
dispatcher->processEvents();
if (timer.jitter() > 50) {
cout << "Two timers test failed" << endl;
return TestFail;
}
/* Restart timer before expiration. */
timer.start(1000);
timer2.start(300);
dispatcher->processEvents();
if (timer2.jitter() > 50) {
cout << "Two timers test failed" << endl;
return TestFail;
}
timer.start(1000);
dispatcher->processEvents();
if (timer.jitter() > 50) {
cout << "Two timers test failed" << endl;
return TestFail;
}
return TestPass;
}
void cleanup()
{
}
};
TEST_REGISTER(TimerTest)
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