Function assertSize

test/jasmine/tests/toimage_test.js:42–53

(url, width, height)

    }

    function assertSize(url, width, height) {
        return new Promise(function (resolve, reject) {
            var img = new Image();
            img.onload = function () {
                expect(img.width).toBe(width, 'image width');
                expect(img.height).toBe(height, 'image height');
                resolve(url);
            };
            img.onerror = reject;
            img.src = url;
        });
    }

    it('should be attached to Plotly', function () {
        expect(Plotly.toImage).toBeDefined();