LayoutTests/fast/css/invalidation/targeted-class-style-invalidation.html - Issue 143873016: Implement style invalidation tree walk for targeted style recalc upon class change.

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Side by Side Diff: LayoutTests/fast/css/invalidation/targeted-class-style-invalidation.html

Issue 143873016: Implement style invalidation tree walk for targeted style recalc upon class change. (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 <script src="../../../resources/js-test.js"></script>

	3

	4 <style>

	5 .outer .inner {}

	6 </style>

	7

	8 <div id="outer">

	9 <div id="inner" class="inner">

	10 </div>

	11 <div id="inner2">

	12 </div>

	13 </div>

	14

	15 <script>

	16 description("Test that adding and removing class names only updates the elements that are affected.");

	17

	18 function insertStyleSheet(css)

	19 {

	20 var styleElement = document.createElement("style");

	21 styleElement.textContent = css;

	22 (document.head \|\| document.documentElement).appendChild(styleElement);

	23 }

	24

	25 var outer = document.getElementById('outer');

	26

	27 outer.offsetTop;

	28 outer.className = 'outer';

	29

	30 // Style recalc should happen on "inner" and "outer", but not "inner2".

	31 // FIXME: change the 3 to a 2 once we have a virtual test setup.

	32 shouldBe("internals.updateStyleAndReturnAffectedElementCount()", '3');

	33

	34 </script>

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