third_party/WebKit/LayoutTests/paint/invalidation/animated-gif-background-offscreen-firstline.html - Issue 2170073002: Fix check failure when an offscreen element has animated background and first-line style

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Side by Side Diff: third_party/WebKit/LayoutTests/paint/invalidation/animated-gif-background-offscreen-firstline.html

Issue 2170073002: Fix check failure when an offscreen element has animated background and first-line style (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 5 months ago

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	1 <!doctype HTML>

	2 <style>targetImage::first-line { color: yellow; }</style>

	3 <div style="height: 2000px; width: 2000px;">

	4 <div id="targetImage" style="width: 50px; height: 50px">text text</div>

	5 <img id="testTarget" style="visibility: hidden">

	6

	7 <script src="../../resources/run-after-layout-and-paint.js"></script>

	8 <script>

	9 // Similar to animated-gif-background-offscreen.html except that the element als o

	10 // has first-line style. Passes if no assertion failure.

	11

	12 if (window.testRunner) {

	13 testRunner.dumpAsText();

	14 testRunner.waitUntilDone();

	15 }

	16

	17 function targetImageOnload() {

	18 window.scrollTo(0, 100);

	19 runAfterLayoutAndPaint(function() {

	20 setTimeout(function() {

	21 if (window.testRunner)

	22 testRunner.notifyDone();

	23 }, 150);

	24 });

	25 }

	26

	27 onload = function() {

	28 targetImage.style.background = "url(../../fast/backgrounds/resources/red-gre en-animated.gif)";

	29

	30 // Use a parallel image element as a hack to detect whether the image has lo aded, and therefore

	31 // we'll get a frame.

	32 testTarget.onload = targetImageOnload;

	33 testTarget.src = "../../fast/backgrounds/resources/red-green-animated.gif";

	34 }

	35 </script>

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