test_gui.cpp

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#include "test_precomp.hpp"
#include "opencv2/highgui/highgui.hpp"

using namespace cv;
using namespace std;

class CV_HighGuiOnlyGuiTest : public cvtest::BaseTest
{
	protected:    
		void run(int);				
};

void Foo(int /*k*/, void* /*z*/) {}

void CV_HighGuiOnlyGuiTest::run( int /*start_from */)
{	   
    ts->printf(ts->LOG, "GUI 1\n");
	namedWindow("Win");
    
	ts->printf(ts->LOG, "GUI 2\n");
	Mat m(256, 256, CV_8U);	
	m = Scalar(128);	
    
	ts->printf(ts->LOG, "GUI 3\n");
	imshow("Win", m);	
    
	ts->printf(ts->LOG, "GUI 4\n");
	int value = 50;
    
	ts->printf(ts->LOG, "GUI 5\n");
	createTrackbar( "trackbar", "Win", &value, 100, Foo, &value);	
    
	ts->printf(ts->LOG, "GUI 6\n");
	getTrackbarPos( "trackbar", "Win" );	
    
	ts->printf(ts->LOG, "GUI 7\n");
	waitKey(500);		
    
	ts->printf(ts->LOG, "GUI 8\n");
	cvDestroyAllWindows();
    ts->set_failed_test_info(cvtest::TS::OK);
}

TEST(Highgui_GUI,    regression) { CV_HighGuiOnlyGuiTest test; test.safe_run(); }