summaryrefslogtreecommitdiff
path: root/test/timer.cpp
blob: e47cb21bd33fe067ebf929aa462dcdbdcaf172ae (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
/* 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)