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diff --git a/test/process/process_test.cpp b/test/process/process_test.cpp
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+/* 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/camera_manager.h>
+#include <libcamera/event_dispatcher.h>
+#include <libcamera/timer.h>
+
+#include "process.h"
+#include "test.h"
+#include "utils.h"
+
+using namespace std;
+using namespace libcamera;
+
+class ProcessTestChild
+{
+public:
+ int run(int status)
+ {
+ usleep(50000);
+
+ return status;
+ }
+};
+
+class ProcessTest : public Test
+{
+public:
+ ProcessTest()
+ {
+ }
+
+protected:
+ int run()
+ {
+ EventDispatcher *dispatcher = CameraManager::instance()->eventDispatcher();
+ Timer timeout;
+
+ int exitCode = 42;
+ vector<std::string> args;
+ args.push_back(to_string(exitCode));
+ int ret = proc_.start("/proc/self/exe", args);
+ if (ret) {
+ cerr << "failed to start process" << endl;
+ return TestFail;
+ }
+ proc_.finished.connect(this, &ProcessTest::procFinished);
+
+ timeout.start(100);
+ while (timeout.isRunning())
+ dispatcher->processEvents();
+
+ if (exitStatus_ != Process::NormalExit) {
+ cerr << "process did not exit normally" << endl;
+ return TestFail;
+ }
+
+ if (exitCode != exitCode_) {
+ cerr << "exit code should be " << exitCode
+ << ", actual is " << exitCode_ << endl;
+ return TestFail;
+ }
+
+ return TestPass;
+ }
+
+private:
+ void procFinished(Process *proc, enum Process::ExitStatus exitStatus, int exitCode)
+ {
+ exitStatus_ = exitStatus;
+ exitCode_ = exitCode;
+ }
+
+ Process proc_;
+ enum Process::ExitStatus exitStatus_;
+ int exitCode_;
+};
+
+/*
+ * Can't use TEST_REGISTER() as single binary needs to act as both
+ * parent and child processes.
+ */
+int main(int argc, char **argv)
+{
+ if (argc == 2) {
+ int status = std::stoi(argv[1]);
+ ProcessTestChild child;
+ return child.run(status);
+ }
+
+ return ProcessTest().execute();
+}