third_party/WebKit/LayoutTests/fast/repaint/overflow-move-after-scroll.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-move-after-scroll.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 width: 700px;

12 height: 400px;

13 overflow: scroll;

14 will-change: transform;

15 }

16 #block {

17 background-color: #cef;

18 position: absolute;

19 left: 300px;

20 top: 200px;

21 width: 120px;

22 height: 50px;

23 text-align: center;

24 }

25

26 </style>

27 </head>

28 <body onload="runRepaintAndPixelTest()">

29

30 This tests that a scroll updates an element's previous paint invalidation rect

31 even if the element's position relative to the parent blink::Layer is unchanged.

32

33 <div id="scroller" class="scroller">

34 <div style="height: 600px"></div>

35 <div style="position: absolute; top: 0">

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

37 </div>

38 </div>

39 <script>

40

41 function repaintTest()

42 {

43 document.querySelector("#scroller").scrollTop = 100;

44 document.querySelector("#block").style.left = '50px';

45 }

46

47 </script>

48 </body>

49 </html>

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