113 lines
2.1 KiB
C++
113 lines
2.1 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2019, Google Inc.
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*
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* Process test
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*/
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#include <iostream>
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#include <unistd.h>
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#include <vector>
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#include <libcamera/base/event_dispatcher.h>
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#include <libcamera/base/thread.h>
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#include <libcamera/base/timer.h>
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#include <libcamera/base/utils.h>
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#include "libcamera/internal/process.h"
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#include "test.h"
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using namespace libcamera;
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using namespace std;
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using namespace std::chrono_literals;
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class ProcessTestChild
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{
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public:
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int run(int status)
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{
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usleep(50000);
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return status;
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}
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};
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class ProcessTest : public Test
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{
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public:
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ProcessTest()
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: exitStatus_(Process::NotExited), exitCode_(-1)
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{
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}
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protected:
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int run()
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{
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EventDispatcher *dispatcher = Thread::current()->eventDispatcher();
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Timer timeout;
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int exitCode = 42;
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vector<std::string> args;
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args.push_back(to_string(exitCode));
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proc_.finished.connect(this, &ProcessTest::procFinished);
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/* Test that kill() on an unstarted process is safe. */
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proc_.kill();
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/* Test starting the process and retrieving the exit code. */
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int ret = proc_.start(self(), args);
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if (ret) {
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cerr << "failed to start process" << endl;
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return TestFail;
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}
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timeout.start(2000ms);
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while (timeout.isRunning() && exitStatus_ == Process::NotExited)
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dispatcher->processEvents();
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if (exitStatus_ != Process::NormalExit) {
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cerr << "process did not exit normally" << endl;
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return TestFail;
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}
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if (exitCode != exitCode_) {
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cerr << "exit code should be " << exitCode
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<< ", actual is " << exitCode_ << endl;
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return TestFail;
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}
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return TestPass;
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}
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private:
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void procFinished(enum Process::ExitStatus exitStatus, int exitCode)
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{
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exitStatus_ = exitStatus;
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exitCode_ = exitCode;
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}
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ProcessManager processManager_;
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Process proc_;
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enum Process::ExitStatus exitStatus_;
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int exitCode_;
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};
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/*
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* Can't use TEST_REGISTER() as single binary needs to act as both
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* parent and child processes.
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*/
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int main(int argc, char **argv)
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{
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if (argc == 2) {
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int status = std::stoi(argv[1]);
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ProcessTestChild child;
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return child.run(status);
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}
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ProcessTest test;
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test.setArgs(argc, argv);
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return test.execute();
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}
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