voluptasquisquam/src/image/compute/__tests__/hypot.js

Image processing and manipulation in JavaScript

import {Image} from 'test/common';
import 'should';

describe('check hypotenuse', function () {
    it('should yield the correct array', function () {

        let image1 = new Image(5, 1,
            [
                3, 5, 8, 7, 9
            ],
            {kind: 'GREY'}
        );

        let image2 = new Image(5, 1,
            [
                4, 12, 15, 24, 40
            ],
            {kind: 'GREY'}
        );


        let theoretical =
            [
                5, 13, 17, 25, 41
            ];

        Array.from(image1.hypotenuse(image2).data).should.eql(theoretical);
    });
});