|  | <html> | 
|  | <import src="../resources/chai.sky" /> | 
|  | <import src="../resources/mocha.sky" /> | 
|  | <script> | 
|  | describe('MutationObserver', function() { | 
|  | it('should not interrupt delivery order on getting mutations during delivery', function(done) { | 
|  | function finish() { | 
|  | assert.deepEqual(order, [1, 3, 2]); | 
|  | done(); | 
|  | } | 
|  |  | 
|  | var order = []; | 
|  | var div = document.createElement('div'); | 
|  |  | 
|  | var observer1 = new MutationObserver(function(mutations) { | 
|  | order.push(1); | 
|  | div.appendChild(document.createElement('span')); | 
|  | }); | 
|  | var observer2 = new MutationObserver(function(mutations) { | 
|  | order.push(2); | 
|  | }); | 
|  | var observer3 = new MutationObserver(function(mutations) { | 
|  | order.push(3); | 
|  | }); | 
|  |  | 
|  | observer1.observe(div, {attributes: true}); | 
|  | observer2.observe(div, {childList: true}); | 
|  | observer3.observe(div, {attributes: true}); | 
|  | div.setAttribute('foo', 'bar'); | 
|  | setTimeout(finish, 0); | 
|  | }); | 
|  | }); | 
|  | </script> | 
|  | </html> |