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-rw-r--r--test/timer.cpp149
1 files changed, 149 insertions, 0 deletions
diff --git a/test/timer.cpp b/test/timer.cpp
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+++ b/test/timer.cpp
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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()
+ {
+ 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)