test: Convert to pragma once

Remove the verbose #ifndef/#define/#endif pattern for maintaining
header idempotency, and replace it with a simple #pragma once.

This simplifies the headers, and prevents redundant changes when
header files get moved.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>

test/gstreamer/gstreamer_test.h

@@ -5,8 +5,7 @@
  * gstreamer_test.cpp - GStreamer test base class
  */
 
-#ifndef __LIBCAMERA_GSTREAMER_TEST_H__
+#pragma once
-#define __LIBCAMERA_GSTREAMER_TEST_H__
 
 #include <iostream>
 #include <unistd.h>
@@ -33,5 +32,3 @@ protected:
 	GstElement *libcameraSrc_;
 	int status_;
 };
-
-#endif /* __LIBCAMERA_GSTREAMER_TEST_H__ */

test/libtest/buffer_source.h

@@ -4,8 +4,8 @@
  *
  * buffer_source.h - libcamera camera test helper to create FrameBuffers
  */
-#ifndef __LIBCAMERA_BUFFER_SOURCE_TEST_H__
+
-#define __LIBCAMERA_BUFFER_SOURCE_TEST_H__
+#pragma once
 
 #include <libcamera/stream.h>
 
@@ -25,5 +25,3 @@ private:
 	std::shared_ptr<libcamera::MediaDevice> media_;
 	std::vector<std::unique_ptr<libcamera::FrameBuffer>> buffers_;
 };
-
-#endif /* __LIBCAMERA_BUFFER_SOURCE_TEST_H__ */

test/libtest/camera_test.h

@@ -4,8 +4,8 @@
  *
  * camera_test.h - libcamera camera test base class
  */
-#ifndef __LIBCAMERA_CAMERA_TEST_H__
+
-#define __LIBCAMERA_CAMERA_TEST_H__
+#pragma once
 
 #include <memory>
 
@@ -23,5 +23,3 @@ protected:
 	std::shared_ptr<libcamera::Camera> camera_;
 	int status_;
 };
-
-#endif /* __LIBCAMERA_CAMERA_TEST_H__ */

test/libtest/test.h

@@ -4,8 +4,8 @@
  *
  * test.h - libcamera test base class
  */
-#ifndef __TEST_TEST_H__
+
-#define __TEST_TEST_H__
+#pragma once
 
 #include <sstream>
 
@@ -34,5 +34,3 @@ int main([[maybe_unused]] int argc, [[maybe_unused]] char *argv[])	\
 {									\
 	return klass().execute();					\
 }
-
-#endif /* __TEST_TEST_H__ */

test/media_device/media_device_test.h

@@ -4,8 +4,8 @@
  *
  * media_device_test.h - libcamera media device test base class
  */
-#ifndef __LIBCAMERA_MEDIADEVICE_TEST_H__
+
-#define __LIBCAMERA_MEDIADEVICE_TEST_H__
+#pragma once
 
 #include <memory>
 
@@ -28,5 +28,3 @@ protected:
 private:
 	std::unique_ptr<libcamera::DeviceEnumerator> enumerator_;
 };
-
-#endif /* __LIBCAMERA_MEDIADEVICE_TEST_H__ */

test/serialization/serialization_test.h

@@ -4,8 +4,8 @@
  *
  * serialization_test.h - Base class for serialization tests
  */
-#ifndef __LIBCAMERA_SERIALIZATION_TEST_H__
+
-#define __LIBCAMERA_SERIALIZATION_TEST_H__
+#pragma once
 
 #include <libcamera/camera.h>
 #include <libcamera/camera_manager.h>
@@ -27,5 +27,3 @@ public:
 	static bool equals(const libcamera::ControlList &lhs,
 			   const libcamera::ControlList &rhs);
 };
-
-#endif /* __LIBCAMERA_SERIALIZATION_TEST_H__ */

test/v4l2_subdevice/v4l2_subdevice_test.h

@@ -5,8 +5,7 @@
  * v4l2_subdevice_test.h - VIMC-based V4L2 subdevice test
  */
 
-#ifndef __LIBCAMERA_V4L2_SUBDEVICE_TEST_H__
+#pragma once
-#define __LIBCAMERA_V4L2_SUBDEVICE_TEST_H__
 
 #include <libcamera/framebuffer.h>
 
@@ -32,5 +31,3 @@ protected:
 	std::shared_ptr<libcamera::MediaDevice> media_;
 	libcamera::V4L2Subdevice *scaler_;
 };
-
-#endif /* __LIBCAMERA_V4L2_SUBDEVICE_TEST_H__ */

test/v4l2_videodevice/v4l2_videodevice_test.h

@@ -4,8 +4,8 @@
  *
  * vl42device_test.h - libcamera v4l2device test base class
  */
-#ifndef __LIBCAMERA_V4L2_DEVICE_TEST_H_
+
-#define __LIBCAMERA_V4L2_DEVICE_TEST_H_
+#pragma once
 
 #include <memory>
 
@@ -41,5 +41,3 @@ protected:
 	libcamera::V4L2VideoDevice *capture_;
 	std::vector<std::unique_ptr<libcamera::FrameBuffer>> buffers_;
 };
-
-#endif /* __LIBCAMERA_V4L2_DEVICE_TEST_H_ */