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| 1 <html> | |
| 2 <link rel="import" href="../resources/chai.html" /> | |
| 3 <link rel="import" href="../resources/mocha.html" /> | |
| 4 <script> | |
| 5 window.jsTestIsAsync = true; | |
| 6 | |
| 7 describe('MutationObservers', function() { | |
| 8 it ('must wait for the next loop when created during delivery', function(don
e) { | |
| 9 var order = []; | |
| 10 var div = document.createElement('div'); | |
| 11 | |
| 12 var observer3; | |
| 13 var observer1 = new MutationObserver(function(mutations) { | |
| 14 order.push(1); | |
| 15 if (!observer3) { | |
| 16 observer3 = new MutationObserver(function(mutations) { | |
| 17 order.push(3); | |
| 18 }); | |
| 19 observer3.observe(div, {attributes: true}); | |
| 20 div.setAttribute('foo', 'baz'); | |
| 21 } | |
| 22 }); | |
| 23 var observer2 = new MutationObserver(function(mutations) { | |
| 24 order.push(2); | |
| 25 }); | |
| 26 | |
| 27 observer1.observe(div, {attributes: true}); | |
| 28 observer2.observe(div, {attributes: true}); | |
| 29 div.setAttribute('foo', 'bar'); | |
| 30 setTimeout(function() { | |
| 31 assert.deepEqual(order, [1, 2, 1, 3]); | |
| 32 done(); | |
| 33 }, 0); | |
| 34 }); | |
| 35 }); | |
| 36 </script> | |
| 37 </html> | |
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