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modules/js/test/test_utils.js

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+//  //////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                           License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+
+// //////////////////////////////////////////////////////////////////////////////////////
+// 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)
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+// 3. Neither the name of the University nor the
+//    names of its contributors may be used to endorse or promote products
+//    derived from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ''AS IS'' AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED. IN NO EVENT SHALL CONTRIBUTORS BE LIABLE FOR ANY
+// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+
+if (typeof module !== 'undefined' && module.exports) {
+    // The environment 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);
+    }
+});