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test: v4l2_device: Add request_buffers test

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Add a utility to the test suite to request and allocate buffers from
a V4L2Device to ensure it functions correctly.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
This commit is contained in:
Kieran Bingham 2019-01-24 17:37:30 +00:00 • committed by Laurent Pinchart
parent 771befc6dc
commit 2843f951d5
3 changed files with 39 additions and 1 deletions
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1
test/v4l2_device/meson.build
View file

@ -2,6 +2,7 @@
# They are not alphabetically sorted. # They are not alphabetically sorted.
v4l2_device_tests = [ v4l2_device_tests = [
[ 'double_open', 'double_open.cpp' ], [ 'double_open', 'double_open.cpp' ],
[ 'request_buffers', 'request_buffers.cpp' ],
] ]
foreach t : v4l2_device_tests foreach t : v4l2_device_tests

32
test/v4l2_device/request_buffers.cpp Normal file
View file

@ -0,0 +1,32 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* libcamera V4L2 API tests
*/
#include "v4l2_device_test.h"
class RequestBuffersTest : public V4L2DeviceTest
{
protected:
int run()
{
/*
* TODO:
* Test invalid requests
* Test different buffer allocations
*/
const unsigned int bufferCount = 8;
createBuffers(bufferCount);
int ret = dev_->exportBuffers(bufferCount, &pool_);
if (ret)
return TestFail;
return TestPass;
}
};
TEST_REGISTER(RequestBuffersTest);

5
test/v4l2_device/v4l2_device_test.h
View file

@ -9,6 +9,8 @@
#include <memory> #include <memory>
#include <libcamera/buffer.h>
#include "test.h" #include "test.h"
#include "device_enumerator.h" #include "device_enumerator.h"
@ -22,6 +24,8 @@ class V4L2DeviceTest : public Test
public: public:
V4L2DeviceTest() : dev_(nullptr){}; V4L2DeviceTest() : dev_(nullptr){};
void createBuffers(unsigned int qty) { pool_.createBuffers(qty); }
protected: protected:
int init(); int init();
void cleanup(); void cleanup();
@ -29,6 +33,7 @@ protected:
std::unique_ptr<DeviceEnumerator> enumerator_; std::unique_ptr<DeviceEnumerator> enumerator_;
std::shared_ptr<MediaDevice> media_; std::shared_ptr<MediaDevice> media_;
V4L2Device *dev_; V4L2Device *dev_;
BufferPool pool_;
}; };
#endif /* __LIBCAMERA_V4L2_DEVICE_TEST_H_ */ #endif /* __LIBCAMERA_V4L2_DEVICE_TEST_H_ */