package/gentoo/media-libs

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * process_test.cpp - Process test
 */

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

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

#include "libcamera/internal/process.h"

#include "test.h"

using namespace libcamera;
using namespace std;
using namespace std::chrono_literals;

class ProcessTestChild
{
public:
	int run(int status)
	{
		usleep(50000);

		return status;
	}
};

class ProcessTest : public Test
{
public:
	ProcessTest()
		: exitStatus_(Process::NotExited), exitCode_(-1)
	{
	}

protected:
	int run()
	{
		EventDispatcher *dispatcher = Thread::current()->eventDispatcher();
		Timer timeout;

		int exitCode = 42;
		vector<std::string> args;
		args.push_back(to_string(exitCode));
		proc_.finished.connect(this, &ProcessTest::procFinished);

		/* Test that kill() on an unstarted process is safe. */
		proc_.kill();

		/* Test starting the process and retrieving the exit code. */
		int ret = proc_.start(self(), args);
		if (ret) {
			cerr << "failed to start process" << endl;
			return TestFail;
		}

		timeout.start(2000ms);
		while (timeout.isRunning() && exitStatus_ == Process::NotExited)
			dispatcher->processEvents();

		if (exitStatus_ != Process::NormalExit) {
			cerr << "process did not exit normally" << endl;
			return TestFail;
		}

		if (exitCode != exitCode_) {