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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2021, Google Inc.
*
* libcamera Camera Manager API tests
*/
#include <iostream>
#include <memory>
#include <libcamera/camera.h>
#include <libcamera/camera_manager.h>
#include "test.h"
using namespace libcamera;
using namespace std;
class CameraManagerTest : public Test
{
protected:
int validate()
{
std::shared_ptr<Camera> camera;
if (cm_->start()) {
cerr << "Failed to start camera manager" << endl;
return TestFail;
}
if (cm_->cameras().size() <= 0) {
cerr << "No cameras available" << endl;
return TestFail;
}
camera = cm_->cameras()[0];
if (!camera) {
cerr << "Can not obtain a camera at index 0" << endl;
return TestFail;
}
/* Store the camera id that we get */
cameraId_ = camera->id();
return TestPass;
}
int run()
{
std::string firstCamera;
/* Construct and validate the CameraManager */
cm_ = new CameraManager();
if (validate()) {
cerr << "Failed first construction" << endl;
return TestFail;
}
/* Get camera ID stored by validate */
firstCamera = cameraId_;
/* Now stop everything and reconstruct the CameraManager */
cm_->stop();
delete cm_;
/* Restart and assert we can still get a camera */
cm_ = new CameraManager();
if (validate()) {
cerr << "Failed after re-construction" << endl;
return TestFail;
}
if (firstCamera != cameraId_) {
cerr << "Expected to get the same camera after re-construction" << endl;
return TestFail;
}
/* Test stop and start (without re-create) */
cm_->stop();
/* validate will call start() */
if (validate()) {
cerr << "Failed after re-starting CameraManager" << endl;
return TestFail;
}
/*
* Creating a second camera manager is not permitted
*
* This will fail with a FATAL in constructing a second IPA
* Manager, even though we also have a FATAL in the
* CameraManager construction, but the CameraManager tries
* to construct an IPA manager, which fails before the
* CameraManager executes any of it's constructor.
*/
//CameraManager *cm2 = new CameraManager();
return TestPass;
}
private:
CameraManager *cm_;
std::string cameraId_;
};
TEST_REGISTER(CameraManagerTest)
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