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  //
  //                           License Agreement
  //                For Open Source Computer Vision Library
  //
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  // //////////////////////////////////////////////////////////////////////////////////////
  // Author: Sajjad Taheri, University of California, Irvine. sajjadt[at]uci[dot]edu
  //
  //                             LICENSE AGREEMENT
  // Copyright (c) 2015 The Regents of the University of California (Regents)
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  // Redistribution and use in source and binary forms, with or without
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  // 1. Redistributions of source code must retain the above copyright
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  //    documentation and/or other materials provided with the distribution.
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  //
  
  if (typeof module !== 'undefined' && module.exports) {
      // The envrionment is Node.js
      var cv = require('./opencv.js'); // eslint-disable-line no-var
  }
  QUnit.module('Utils', {});
  QUnit.test('Test vectors', function(assert) {
      {
          let pointVector = new cv.PointVector();
          for (let i=0; i<100; ++i) {
              pointVector.push_back({x: i, y: 2*i});
          }
  
          assert.equal(pointVector.size(), 100);
  
          let index = 10;
          let item = pointVector.get(index);
          assert.equal(item.x, index);
          assert.equal(item.y, 2*index);
  
          index = 0;
          item = pointVector.get(index);
          assert.equal(item.x, index);
          assert.equal(item.y, 2*index);
  
          index = 99;
          item = pointVector.get(index);
          assert.equal(item.x, index);
          assert.equal(item.y, 2*index);
  
          pointVector.delete();
      }
  
      {
          let pointVector = new cv.PointVector();
          for (let i=0; i<100; ++i) {
              pointVector.push_back(new cv.Point(i, 2*i));
          }
  
          pointVector.push_back(new cv.Point());
  
          assert.equal(pointVector.size(), 101);
  
          let index = 10;
          let item = pointVector.get(index);
          assert.equal(item.x, index);
          assert.equal(item.y, 2*index);
  
          index = 0;
          item = pointVector.get(index);
          assert.equal(item.x, index);
          assert.equal(item.y, 2*index);
  
          index = 99;
          item = pointVector.get(index);
          assert.equal(item.x, index);
          assert.equal(item.y, 2*index);
  
          index = 100;
          item = pointVector.get(index);
          assert.equal(item.x, 0);
          assert.equal(item.y, 0);
  
          pointVector.delete();
      }
  });
  QUnit.test('Test Rect', function(assert) {
      let rectVector = new cv.RectVector();
      let rect = {x: 1, y: 2, width: 3, height: 4};
      rectVector.push_back(rect);
      rectVector.push_back(new cv.Rect());
      rectVector.push_back(new cv.Rect(rect));
      rectVector.push_back(new cv.Rect({x: 5, y: 6}, {width: 7, height: 8}));
      rectVector.push_back(new cv.Rect(9, 10, 11, 12));
  
      assert.equal(rectVector.size(), 5);
  
      let item = rectVector.get(0);
      assert.equal(item.x, 1);
      assert.equal(item.y, 2);
      assert.equal(item.width, 3);
      assert.equal(item.height, 4);
  
      item = rectVector.get(1);
      assert.equal(item.x, 0);
      assert.equal(item.y, 0);
      assert.equal(item.width, 0);
      assert.equal(item.height, 0);
  
      item = rectVector.get(2);
      assert.equal(item.x, 1);
      assert.equal(item.y, 2);
      assert.equal(item.width, 3);
      assert.equal(item.height, 4);
  
      item = rectVector.get(3);
      assert.equal(item.x, 5);
      assert.equal(item.y, 6);
      assert.equal(item.width, 7);
      assert.equal(item.height, 8);
  
      item = rectVector.get(4);
      assert.equal(item.x, 9);
      assert.equal(item.y, 10);
      assert.equal(item.width, 11);
      assert.equal(item.height, 12);
  
      rectVector.delete();
  });
  QUnit.test('Test Size', function(assert) {
      {
          let mat = new cv.Mat();
          mat.create({width: 5, height: 10}, cv.CV_8UC4);
          let size = mat.size();
  
          assert.ok(mat.type() === cv.CV_8UC4);
          assert.ok(size.height === 10);
          assert.ok(size.width === 5);
          assert.ok(mat.channels() === 4);
  
          mat.delete();
      }
  
      {
          let mat = new cv.Mat();
          mat.create(new cv.Size(5, 10), cv.CV_8UC4);
          let size = mat.size();
  
          assert.ok(mat.type() === cv.CV_8UC4);
          assert.ok(size.height === 10);
          assert.ok(size.width === 5);
          assert.ok(mat.channels() === 4);
  
          mat.delete();
      }
  });
  
  
  QUnit.test('test_rotated_rect', function(assert) {
      {
          let rect = {center: {x: 100, y: 100}, size: {height: 100, width: 50}, angle: 30};
  
          assert.equal(rect.center.x, 100);
          assert.equal(rect.center.y, 100);
          assert.equal(rect.angle, 30);
          assert.equal(rect.size.height, 100);
          assert.equal(rect.size.width, 50);
      }
  
      {
          let rect = new cv.RotatedRect();
  
          assert.equal(rect.center.x, 0);
          assert.equal(rect.center.y, 0);
          assert.equal(rect.angle, 0);
          assert.equal(rect.size.height, 0);
          assert.equal(rect.size.width, 0);
  
          let points = cv.RotatedRect.points(rect);
  
          assert.equal(points[0].x, 0);
          assert.equal(points[0].y, 0);
          assert.equal(points[1].x, 0);
          assert.equal(points[1].y, 0);
          assert.equal(points[2].x, 0);
          assert.equal(points[2].y, 0);
          assert.equal(points[3].x, 0);
          assert.equal(points[3].y, 0);
      }
  
      {
          let rect = new cv.RotatedRect({x: 100, y: 100}, {height: 100, width: 50}, 30);
  
          assert.equal(rect.center.x, 100);
          assert.equal(rect.center.y, 100);
          assert.equal(rect.angle, 30);
          assert.equal(rect.size.height, 100);
          assert.equal(rect.size.width, 50);
  
          let points = cv.RotatedRect.points(rect);
  
          assert.equal(points[0].x, cv.RotatedRect.boundingRect2f(rect).x);
          assert.equal(points[1].y, cv.RotatedRect.boundingRect2f(rect).y);
      }
  });
  