#include <iostream>
#include <gtest/gtest.h>
#include "hw/common.h"
#include "hw/touchscreen.h"

using namespace std;

/*
 * main class
 */
struct touchscreen_device *touchscreen_dev;

class TOUCHSCREENHalTest : public testing::Test
{
	public:
		virtual void SetUp()
		{
			struct hw_info *info;
			int ret;
			ret = hw_get_info(TOUCHSCREEN_HARDWARE_DEVICE_ID,
					(const struct hw_info **)&info);

			if (ret < 0) {
				cout << "Fail to load touchscreen hal(" << ret << ")" << endl;
				assert(true);
				return;
			}
			if (!info->open) {
				cout << "Failed to open touchscreen device; open(NULL)" << endl;
				assert(true);
				return;
			}

			ret = info->open(info, NULL, (struct hw_common**)&touchscreen_dev);
			if (ret < 0 || !touchscreen_dev) {
				cout << "Failed to get touchscreen device structure (" << ret << ")" << endl;
				assert(true);
				return;
			}

			return;
		}

		virtual void TearDown()
		{
			struct hw_info *info;

			info = touchscreen_dev->common.info;
			if (!info)
				free(touchscreen_dev);
			else
				info->close((struct hw_common *)touchscreen_dev);
			touchscreen_dev = NULL;

			return;
		}
};

/*
 * testcase
 */
TEST_F(TOUCHSCREENHalTest, InitP)
{
	EXPECT_NE(touchscreen_dev, nullptr);
}

TEST_F(TOUCHSCREENHalTest, SetstateP)
{
	enum touchscreen_state state = TOUCHSCREEN_ON;
	int ret;

	EXPECT_NE(touchscreen_dev, nullptr);
	if (!touchscreen_dev->set_state)
		return;
	ret = touchscreen_dev->set_state(state);
	EXPECT_EQ(ret, 0) << "Failed to enable touchscreen (" << ret << ")";
}

int main(int argc, char **argv)
{
	testing::InitGoogleTest(&argc, argv);

	return RUN_ALL_TESTS();
}