sky/tests/mutation-observer/observer-wrapper-dropoff-transient.html - Issue 685623002: Move the tests from .html to .sky

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Side by Side Diff: sky/tests/mutation-observer/observer-wrapper-dropoff-transient.html

Issue 685623002: Move the tests from .html to .sky (Closed) Base URL: https://github.com/domokit/mojo.git@master

Patch Set: Created 6 years, 1 month ago

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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('MutationObserver wrappers', function() {

6 it('should survive GC for passing into the callback even if JS has lost refe rences and the only remaining observations are transient.', function(done) {

7 function addObserver(node, fn) {

8 var observer = new MutationObserver(fn);

9 observer.testProperty = true;

10 observer.observe(node, {attributes:true, subtree: true});

11 }

12

13 var root = document.createElement('div');

14 var child = root.appendChild(document.createElement('span'));

15 addObserver(root, function(records, observer) {

16 window.observer = observer;

17 assert.ok(observer.testProperty);

18 done();

19 });

20

21 root.removeChild(child);

22 child.setAttribute('foo', 'bar');

23 root = null;

24

25 gc();

26 });

27 });

28 </script>

29 </html>

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