summaryrefslogtreecommitdiff
path: root/test/event.cpp
blob: c2274344b7f0f2173a57cae7dfd7daa321462602 (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
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * event.cpp - Event test
 */

#include <iostream>
#include <string.h>
#include <unistd.h>

#include <libcamera/base/event_dispatcher.h>
#include <libcamera/base/event_notifier.h>
#include <libcamera/base/thread.h>
#include <libcamera/base/timer.h>

#include "test.h"

using namespace std;
using namespace libcamera;

class EventTest : public Test
{
protected:
	void readReady(EventNotifier *notifier)
	{
		size_ = read(notifier->fd(), data_, sizeof(data_));
		notified_ = true;
	}

	int init()
	{
		return pipe(pipefd_);
	}

	int run()
	{
		EventDispatcher *dispatcher = Thread::current()->eventDispatcher();
		std::string data("H2G2");
		Timer timeout;
		ssize_t ret;

		EventNotifier readNotifier(pipefd_[0], EventNotifier::Read);
		readNotifier.activated.connect(this, &EventTest::readReady);

		/* Test read notification with data. */
		memset(data_, 0, sizeof(data_));
		size_ = 0;

		ret = write(pipefd_[1], data.data(), data.size());
		if (ret < 0) {
			cout << "Pipe write failed" << endl;
			return TestFail;
		}

		timeout.start(100);
		dispatcher->processEvents();
		timeout.stop();

		if (static_cast<size_t>(size_) != data.size()) {
			cout << "Event notifier read ready test failed" << endl;
			return TestFail;
		}

		/* Test read notification without data. */
		notified_ = false;

		timeout.start(100);
		dispatcher->processEvents();
		timeout.stop();

		if (notified_) {
			cout << "Event notifier read no ready test failed" << endl;
			return TestFail;
		}

		/* Test read notifier disabling. */
		notified_ = false;
		readNotifier.setEnabled(false);

		ret = write(pipefd_[1], data.data(), data.size());
		if (ret < 0) {
			cout << "Pipe write failed" << endl;
			return TestFail;
		}

		timeout.start(100);
		dispatcher->processEvents();
		timeout.stop();

		if (notified_) {
			cout << "Event notifier read disabling failed" << endl;
			return TestFail;
		}

		/* Test read notifier enabling. */
		notified_ = false;
		readNotifier.setEnabled(true);

		timeout.start(100);
		dispatcher->processEvents();
		timeout.stop();

		if (!notified_) {
			cout << "Event notifier read enabling test failed" << endl;
			return TestFail;
		}

		return TestPass;
	}

	void cleanup()
	{
		close(pipefd_[0]);
		close(pipefd_[1]);
	}

private:
	int pipefd_[2];

	bool notified_;
	char data_[16];
	ssize_t size_;
};

TEST_REGISTER(EventTest)