blackswanny

beforeEach(function() {
  jasmine.addMatchers(getCustomMatcher());
});

function getCustomMatcher() {

  function createCustomMatcher(arg, util, customEqualityTesters) {
    return sinon.match(function (val) {
      return util.equals(val, arg, customEqualityTesters);

blackswanny

function getStyle(elem, prop) {
    return window.getComputedStyle(elem).getPropertyValue(prop);
}

function bodyOffset( body ) {
    let top = body.offsetTop,
        left = body.offsetLeft;
    let doesNotIncludeMarginInBodyOffset; // TODO
    if (doesNotIncludeMarginInBodyOffset ) {
        top += parseFloat( getStyle(body, 'marginTop') ) || 0;

blackswanny

var MAX_DEPTH_OF_CHECK = 6;

    function objectsAreEqual(first, second, depthOfCheck) {
        var isFirstObject = isObject(first);
        var isSecondObject = isObject(second);
        if (!isFirstObject && !isSecondObject) { // both are not objects, compare primitives
            return first === second;
        } else if (!isFirstObject || !isSecondObject) { // one of them is not object
            return false;
        }