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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 describe('MutationRecord', function() { | |
6 it('should be exposed on window but not constructable', function() { | |
7 assert.ok(window.MutationRecord); | |
8 assert.equal(typeof MutationRecord, "function"); | |
9 assert.throw(function() { | |
10 new MutationRecord | |
11 }, TypeError); | |
12 | |
13 var div = document.createElement('div'); | |
14 var observer = new MutationObserver(function(){}); | |
15 observer.observe(div, {attributes: true}); | |
16 div.id = 'foo'; | |
17 var record = observer.takeRecords()[0]; | |
18 assert.ok(record instanceof MutationRecord); | |
19 }); | |
20 }); | |
21 </script> | |
22 </html> | |
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