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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-contain/content-visibility/content-visibility-auto-img-001.html - WPT Dashboard Interop Dashboard
<!doctype HTML>
<html class="reftest-wait">
<meta charset="utf8">
<title>CSS Test: img with content-visibility:auto honors its object-fit (restoring its aspect ratio) when coming back from offscreen</title>
<link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
<link rel="match" href="content-visibility-auto-img-001-ref.html">
<meta name="assert" content="img elements honor their aspect-ratio and object-fit even after briefly having their aspect-ratio suppressed by content-visibility:auto">
<script src="/common/reftest-wait.js"></script>
<style>
body {
/* body needs to be tall enough so that we can programmatically scroll. Use
'overflow:hidden' to suppress scrollbars so they don't interfere with the
reftest snapshot. */
height: 400vh;
overflow: hidden;
}
img {
width: 500px; /* Much wider than the image's actual intrinsic width. */
height: 210px; /* The image's actual intrinsic height. */
object-fit: contain;
object-position: 0 0;
content-visibility: auto;
}
</style>
<img id="myImg" src="resources/dice.png">
<script>
function runTest() {
// Scroll to the very end:
document.documentElement.scrollTop = document.documentElement.scrollHeight;
// Double-rAF to flush paints, and then scroll back to top
// and take screenshot:
requestAnimationFrame(()=>{
requestAnimationFrame(()=>{
document.documentElement.scrollTop = 0;
takeScreenshot();
});
});
}
window.onload = runTest;
</script>
</html>