test: Move test objects to libtest

Create a subdirectory to contain the libtest helper library.

Define two variables to clarify when tests are aimed at public or
internal components.

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

test/libtest/meson.build

@@ -0,0 +1,7 @@
+libtest_sources = files([
+    'test.cpp',
+])
+
+libtest = static_library('libtest', libtest_sources)
+
+libtest_includes = include_directories('.')

test/libtest/test.cpp

@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2018, Google Inc.
+ *
+ * test.cpp - libcamera test base class
+ */
+
+#include "test.h"
+
+Test::Test()
+{
+}
+
+Test::~Test()
+{
+}
+
+int Test::execute()
+{
+	int ret;
+
+	ret = init();
+	if (ret < 0)
+		return ret;
+
+	ret = run();
+
+	cleanup();
+
+	return ret;
+}

test/libtest/test.h

@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2018, Google Inc.
+ *
+ * test.h - libcamera test base class
+ */
+#ifndef __TEST_TEST_H__
+#define __TEST_TEST_H__
+
+#include <sstream>
+
+class Test
+{
+public:
+	Test();
+	virtual ~Test();
+
+	int execute();
+
+protected:
+	virtual int init() { return 0; }
+	virtual int run() = 0;
+	virtual void cleanup() { }
+};
+
+#define TEST_REGISTER(klass)						\
+int main(int argc, char *argv[])					\
+{									\
+	return klass().execute();					\
+}
+
+#endif /* __TEST_TEST_H__ */