third_party/WebKit/LayoutTests/fast/css/sticky/sticky-top-overflow.html - Issue 1870663002: Reland main thread position sticky implementation.

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Side by Side Diff: third_party/WebKit/LayoutTests/fast/css/sticky/sticky-top-overflow.html

Issue 1870663002: Reland main thread position sticky implementation. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Only descend into children which have an ancestor overflow layer. Created 4 years, 8 months ago

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	1 <!DOCTYPE html>

	2 <script>

	3 if (window.internals) {

	4 internals.settings.setCSSStickyPositionEnabled(true);

	5 }

	6 </script>

	7 <html>

	8 <head>

	9 <style>

	10 .group {

	11 display: inline-block;

	12 position: relative;

	13 width: 150px;

	14 height: 500px;

	15 }

	16

	17 #overflow {

	18 width: 600px;

	19 height: 550px;

	20 overflow: hidden; /* Still scrollable with JS */

	21 border: 1px solid black;

	22 }

	23

	24 .spacer {

	25 float: left;

	26 width: 10px;

	27 height: 1200px;

	28 }

	29 .container {

	30 width: 100px;

	31 height: 400px;

	32 outline: 2px solid black;

	33 }

	34

	35 .box {

	36 width: 100px;

	37 height: 200px;

	38 }

	39

	40 .sticky {

	41 position: sticky;

	42 top: 100px;

	43 background-color: green;

	44 }

	45

	46 .indicator {

	47 position: absolute;

	48 top: 0;

	49 left: 0;

	50 background-color: red;

	51 }

	52 </style>

	53 <script>

	54 function doTest()

	55 {

	56 document.getElementById('overflow').scrollTop = 120;

	57 }

	58 window.addEventListener('load', doTest, false);

	59 </script>

	60 </head>

	61 <body>

	62 This test checks that sticky positioned elements are contained by their enclosin g ancestor with an overflow clip.

	63 There should be no red.

	64 <div id="overflow">

	65 <div class="spacer"></div>

	66 <div class="group">

	67 <div class="indicator box" style="top: 200px;"></div>

	68 <div class="container">

	69 <div class="sticky box"></div>

	70 </div>

	71 </div>

	72

	73 <div class="group" style="top: 100px">

	74 <div class="indicator box" style="top: 120px;"></div>

	75 <div class="container">

	76 <div class="sticky box"></div>

	77 </div>

	78 </div>

	79

	80 <div class="group" style="top: 240px">

	81 <div class="indicator box" style="top: 0;"></div>

	82 <div class="container">

	83 <div class="sticky box"></div>

	84 </div>

	85 </div>

	86 </div>

	87 </body>

	88 </html>

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