third_party/WebKit/LayoutTests/fast/repaint/overflow-scroll-after-move.html - Issue 2321183002: Move repaint tests (except for svg/) to paint/invalidation

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Side by Side Diff: third_party/WebKit/LayoutTests/fast/repaint/overflow-scroll-after-move.html

Issue 2321183002: Move repaint tests (except for svg/) to paint/invalidation (Closed)

Patch Set: - Created 4 years, 3 months ago

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1 <!DOCTYPE html>

2 <html>

3 <head>

4 <script src="resources/text-based-repaint.js"></script>

5 <style>

6

7 #scroller {

8 position: absolute;

9 left: 10px;

10 top: 60px;

11 height: 400px;

12 overflow: scroll;

13 width: 300px;

14 will-change: transform;

15 }

16 #block {

17 background-color: #cef;

18 height: 50px;

19 left: 50px;

20 position: absolute;

21 top: 200px;

22 width: 200px;

23 }

24

25 </style>

26 </head>

27 <body onload="runRepaintAndPixelTest()">

28

29 This tests that an element which is moved by the synchronous layout in

30 Element::setScrollTop, and again by the scroll itself, has its original

31 location correctly invalidated.

32

33 <div id="scroller">

34 <div style="height: 900px"></div>

35 <div id="block"></div>

36 </div>

37 <script>

38

39 function repaintTest()

40 {

41 document.querySelector("#block").style.top = '310px';

42 document.querySelector("#scroller").scrollTop = 150;

43 }

44

45 </script>

46 </body>

47 </html>

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