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42 
43 #include "test_precomp.hpp"
44 #include "opencv2/highgui.hpp"
45 
46 #if defined HAVE_GTK || defined HAVE_QT || defined HAVE_WIN32UI || defined HAVE_CARBON || defined HAVE_COCOA
47 
48 using namespace cv;
49 using namespace std;
50 
51 class CV_HighGuiOnlyGuiTest : public cvtest::BaseTest
52 {
53 protected:
54     void run(int);
55 };
56 
Foo(int,void *)57 void Foo(int /*k*/, void* /*z*/) {}
58 
run(int)59 void CV_HighGuiOnlyGuiTest::run( int /*start_from */)
60 {
61     ts->printf(ts->LOG, "GUI 0\n");
62     destroyAllWindows();
63 
64     ts->printf(ts->LOG, "GUI 1\n");
65     namedWindow("Win");
66 
67     ts->printf(ts->LOG, "GUI 2\n");
68     Mat m(256, 256, CV_8U);
69     m = Scalar(128);
70 
71     ts->printf(ts->LOG, "GUI 3\n");
72     imshow("Win", m);
73 
74     ts->printf(ts->LOG, "GUI 4\n");
75     int value = 50;
76 
77     ts->printf(ts->LOG, "GUI 5\n");
78     createTrackbar( "trackbar", "Win", &value, 100, Foo, &value);
79 
80     ts->printf(ts->LOG, "GUI 6\n");
81     getTrackbarPos( "trackbar", "Win" );
82 
83     ts->printf(ts->LOG, "GUI 7\n");
84     waitKey(500);
85 
86     ts->printf(ts->LOG, "GUI 8\n");
87     destroyAllWindows();
88     ts->set_failed_test_info(cvtest::TS::OK);
89 }
90 
TEST(Highgui_GUI,regression)91 TEST(Highgui_GUI,    regression) { CV_HighGuiOnlyGuiTest test; test.safe_run(); }
92 
93 #endif
94