LayoutTests/fast/scroll-behavior/overflow-scroll-triggers-layout.html - Issue 1148003010: Force layout for main thread scrolling.

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Side by Side Diff: LayoutTests/fast/scroll-behavior/overflow-scroll-triggers-layout.html

Issue 1148003010: Force layout for main thread scrolling. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Rebase. Created 5 years, 6 months ago

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	1 <!DOCTYPE html>

	2 <script src="../../resources/js-test.js"></script>

	3 <style>

	4 #inner {

	5 background:red;

	6 width:500px;

	7 height:100%;

	8 }

	9

	10 #outer {

	11 width:300px;

	12 height:500px;

	13 overflow-y:scroll;

	14 overflow-x:hidden;

	15 }

	16 </style>

	17 <div id="outer">

	18 <div id="inner">

	19 </div>

	20 </div>

	21

	22 <script>

	23 description("Ensures that if layout is dirty, triggering a scroll causes a relay out");

	24

	25 outer.addEventListener("wheel",

	26 function(e) {

	27 inner.style.height = "1000px";

	28 }

	29 );

	30

	31 var x = outer.offsetLeft + 5;

	32 var y = outer.offsetTop + 5;

	33 eventSender.mouseMoveTo(x, y);

	34 eventSender.mouseScrollBy(0, -1);

	35 shouldBeGreaterThan("outer.scrollTop", "0");

	36

	37 </script>

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