content: package org.opencv.test.video;
  
  import org.opencv.core.Core;
  import org.opencv.core.CvType;
  import org.opencv.core.CvException;
  import org.opencv.core.Mat;
  import org.opencv.core.Rect;
  import org.opencv.test.OpenCVTestCase;
  
  import org.opencv.video.Tracker;
  import org.opencv.video.TrackerGOTURN;
  import org.opencv.video.TrackerMIL;
  
  public class TrackerCreateTest extends OpenCVTestCase {
  
      @Override
      protected void setUp() throws Exception {
          super.setUp();
      }
  
  
      public void testCreateTrackerGOTURN() {
          try {
              Tracker tracker = TrackerGOTURN.create();
              assert(tracker != null);
          } catch (CvException e) {
              // expected, model files may be missing
          }
      }
  
      public void testCreateTrackerMIL() {
          Tracker tracker = TrackerMIL.create();
          assert(tracker != null);
          Mat mat = new Mat(100, 100, CvType.CV_8UC1);
          Rect rect = new Rect(10, 10, 30, 30);
          tracker.init(mat, rect);  // should not crash (https://github.com/opencv/opencv/issues/19915)
      }
  
  }
  