LayoutTests/compositing/squashing/squash-onto-nephew.html - Issue 137143009: Add a number of tests for layer squashing

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Issue 137143009: Add a number of tests for layer squashing (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 6 years, 10 months ago

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	1 <!DOCTYPE html>

	2 <head>

	3 <style>

	4 .composited {

	5 -webkit-transform: translatez(0);

	6 }

	7

	8 .box {

	9 width: 100px;

	10 height: 100px;

	11 }

	12

	13 .behind {

	14 position: absolute;

	15 z-index: 1;

	16 top: 100px;

	17 left: 100px;

	18 background-color: blue;

	19 }

	20

	21 .middle {

	22 position: absolute;

	23 z-index: 1;

	24 top: 40px;

	25 left: 40px;

	26 background-color: lime;

	27 }

	28

	29 .middle2 {

	30 position: absolute;

	31 z-index: 1;

	32 top: 130px;

	33 left: 60px;

	34 background-color: magenta;

	35 }

	36

	37 .top {

	38 position: absolute;

	39 z-index: 1;

	40 top: 70px;

	41 left: 120px;

	42 background-color: cyan;

	43 }

	44

	45 .container {

	46 position: absolute;

	47 z-index: 1;

	48 top: 25px;

	49 left: 25px;

	50 width: 300px;

	51 height: 300px;

	52 background-color: gray;

	53 overflow: hidden;

	54 }

	55

	56 div:hover {

	57 background-color: green;

	58 }

	59

	60 </style>

	61 <script>

	62 if (window.testRunner)

	63 testRunner.dumpAsText();

	64

	65 if (window.internals)

	66 internals.settings.setLayerSquashingEnabled(true);

	67

	68 function runTest()

	69 {

	70 if (!window.internals) {

	71 alert('This test requires window.internals')

	72 return;

	73 }

	74

	75 testRunner.display();

	76 document.body.textContent = window.internals.layerTreeAsText(document, i nternals.LAYER_TREE_INCLUDES_REPAINT_RECTS);

	77 document.body.style.whiteSpace = 'pre';

	78 }

	79 </script>

	80 </head>

	81 <body onload="runTest()">

	82 <div class="container">

	83 <div class="composited box behind"></div>
	shawnsingh 2014/01/27 21:35:27 Actually my manual test for this was outdated, sor Actually my manual test for this was outdated, sorry about that. This test existed before we force-composited the first squashable layer. To test this correctly with the new code, we need the first squashable RenderLayer to be a nephew of the subsequent squashable layers. So I think it would work perfectly to move the class="middle" layer to live inside this class="container" element, adjusting positions accordingly.
	84 </div>

	85 <div class="box middle"></div>

	86 <div class="box middle2"></div>

	87 <div class="box top"></div>

	88 </body>

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