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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* libcamera Camera API tests
*/
#include <iostream>
#include <libcamera/framebuffer_allocator.h>
#include "camera_test.h"
#include "test.h"
using namespace std;
namespace {
class Statemachine : public CameraTest, public Test
{
public:
Statemachine()
: CameraTest("platform/vimc.0 Sensor B")
{
}
protected:
int testAvailable()
{
/* Test operations which should fail. */
if (camera_->configure(defconf_.get()) != -EACCES)
return TestFail;
if (camera_->createRequest())
return TestFail;
if (camera_->start() != -EACCES)
return TestFail;
Request request(camera_.get());
if (camera_->queueRequest(&request) != -EACCES)
return TestFail;
if (camera_->stop() != -EACCES)
return TestFail;
/* Test operations which should pass. */
if (camera_->release())
return TestFail;
/* Test valid state transitions, end in Acquired state. */
if (camera_->acquire())
return TestFail;
return TestPass;
}
int testAcquired()
{
/* Test operations which should fail. */
if (camera_->acquire() != -EBUSY)
return TestFail;
if (camera_->createRequest())
return TestFail;
if (camera_->start() != -EACCES)
return TestFail;
Request request(camera_.get());
if (camera_->queueRequest(&request) != -EACCES)
return TestFail;
if (camera_->stop() != -EACCES)
return TestFail;
/* Test valid state transitions, end in Configured state. */
if (camera_->release())
return TestFail;
if (camera_->acquire())
return TestFail;
if (camera_->configure(defconf_.get()))
return TestFail;
return TestPass;
}
int testConfigured()
{
/* Test operations which should fail. */
if (camera_->acquire() != -EBUSY)
return TestFail;
Request request1(camera_.get());
if (camera_->queueRequest(&request1) != -EACCES)
return TestFail;
if (camera_->stop() != -EACCES)
return TestFail;
/* Test operations which should pass. */
Request *request2 = camera_->createRequest();
if (!request2)
return TestFail;
/* Never handed to hardware so need to manually delete it. */
delete request2;
/* Test valid state transitions, end in Running state. */
if (camera_->release())
return TestFail;
if (camera_->acquire())
return TestFail;
if (camera_->configure(defconf_.get()))
return TestFail;
/* Use internally allocated buffers. */
allocator_ = new FrameBufferAllocator(camera_);
Stream *stream = *camera_->streams().begin();
if (allocator_->allocate(stream) < 0)
return TestFail;
if (camera_->start())
return TestFail;
return TestPass;
}
int testRuning()
{
/* Test operations which should fail. */
if (camera_->acquire() != -EBUSY)
return TestFail;
if (camera_->release() != -EBUSY)
return TestFail;
if (camera_->configure(defconf_.get()) != -EACCES)
return TestFail;
if (camera_->start() != -EACCES)
return TestFail;
/* Test operations which should pass. */
Request *request = camera_->createRequest();
if (!request)
return TestFail;
Stream *stream = *camera_->streams().begin();
if (request->addBuffer(stream, allocator_->buffers(stream)[0].get()))
return TestFail;
if (camera_->queueRequest(request))
return TestFail;
/* Test valid state transitions, end in Available state. */
if (camera_->stop())
return TestFail;
delete allocator_;
if (camera_->release())
return TestFail;
return TestPass;
}
int init() override
{
if (status_ != TestPass)
return status_;
defconf_ = camera_->generateConfiguration({ StreamRole::VideoRecording });
if (!defconf_) {
cout << "Failed to generate default configuration" << endl;
return TestFail;
}
return TestPass;
}
int run() override
{
if (testAvailable() != TestPass) {
cout << "State machine in Available state failed" << endl;
return TestFail;
}
if (testAcquired() != TestPass) {
cout << "State machine in Acquired state failed" << endl;
return TestFail;
}
if (testConfigured() != TestPass) {
cout << "State machine in Configured state failed" << endl;
return TestFail;
}
if (testRuning() != TestPass) {
cout << "State machine in Running state failed" << endl;
return TestFail;
}
return TestPass;
}
std::unique_ptr<CameraConfiguration> defconf_;
FrameBufferAllocator *allocator_;
};
} /* namespace */
TEST_REGISTER(Statemachine);
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