$(function () { 'use strict'; var $image = $(window.createCropperImage()); $image.cropper({ built: function () { var cropper = $image.data('cropper'), image = cropper.image; QUnit.test('methods.zoom', function (assert) { var width = image.width, height = image.height; $image.cropper('zoom', 0.1); assert.ok(image.width > width); assert.ok(image.height > height); assert.notEqual(image.width, width); assert.notEqual(image.height, height); }); } }); });