LayoutTests/fast/events/overflowchanged-event-raf-timing.html - Issue 959643002: Remove the overflowchanged event with a runtime flag

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Side by Side Diff: LayoutTests/fast/events/overflowchanged-event-raf-timing.html

Issue 959643002: Remove the overflowchanged event with a runtime flag (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: tests Created 5 years, 10 months ago

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1 <!DOCTYPE html>

2 <style>

3 #scrollable { overflow: auto; height: 100px; width: 100px; }

4 #inside.scroll { height: 2000px; }

5 </style>

6

7 <p>Tests that overflowchanged events are deferred until raf.</p>

8

9 <div id="scrollable">

10 <div id="inside"></div>

11 </div>

12

13 <div id="output"></div>

14

15 <script>

16 var scrollable = document.getElementById('scrollable');

17 var output = document.getElementById('output');

18 var inside = document.getElementById('inside');

19

20 if (window.testRunner) {

21 testRunner.dumpAsText();

22 testRunner.waitUntilDone();

23 }

24

25 function log(text)

26 {

27 output.appendChild(document.createElement('div')).textContent = text;

28 }

29

30 onload = function() {

31 scrollable.addEventListener('overflowchanged', function() {

32 log('overflowchanged');

33 });

34

35 document.body.offsetTop;

36

37 inside.classList.toggle('scroll');

38 document.body.offsetTop;

39 log('layout');

40

41 inside.classList.toggle('scroll');

42 document.body.offsetTop;

43 log('layout');

44

45 inside.classList.toggle('scroll');

46 document.body.offsetTop;

47 log('layout');

48

49 requestAnimationFrame(function() {

50 log('requestAnimationFrame');

51 if (window.testRunner)

52 testRunner.notifyDone();

53 });

54 }

55 </script>

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