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Test Info:

<!doctype HTML>
<html class="reftest-wait">
<meta charset="utf8">
<title>Content Visibility: auto, scrollIntoView()</title>
<link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org">
<link rel="match" href="content-visibility-058-ref.html">
<meta name="assert" content="scrollIntoView() uses contain:size information to find target offset">
<meta name="assert" content="viewport intersection removes contain:size thus moving target">
<script src="/common/reftest-wait.js"></script>
<style>
.spacer {
height: 10000px;
}
.container {
width: 150px;
background: lightblue;
contain-intrinsic-size: 50px 250px;
}
.child {
width: 50px;
height: 300px;
background: lightgreen;
}
#target {
position: absolute;
bottom: 0;
width: 10px;
height: 10px;
background: blue;
}
.auto { content-visibility: auto; }
</style>
<p>Test FAILS if this sentence is at the top of the screen.
<div class=spacer></div>
<div class="container auto">
<div class=child></div>
<div id=target></div>
</div>
<p>Test PASSES if this sentence is near the top of the screen, after a thin band of three colors.
<div class=spacer></div>
<script>
function runTest() {
document.getElementById("target").scrollIntoView(true /* alignToTop */);
requestAnimationFrame(takeScreenshot);
}
window.onload = requestAnimationFrame(() => {
requestAnimationFrame(() => {
requestAnimationFrame(() => {
runTest();
});
});
});
</script>
</html>