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<!DOCTYPE html>
<meta name="timeout" content="long">
<html class=reftest-wait>
<title>View transitions: outgoing viewport has scrollbars</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/7859">
<link rel="author" href="mailto:bokan@chromium.org">
<link rel="match" href="old-content-has-scrollbars-ref.html">
<meta name=fuzzy content="old-content-has-scrollbars-ref.html:0-40;0-30000">
<script src="/common/reftest-wait.js"></script>
<style>
html, body {
width: 100%;
height: 100%;
background-color: lightpink;
}
body {
/* Margin to make sure background color is correctly drawn into the snapshot. */
margin: 50px;
}
div {
/* Draw a checkerboard pattern to make sure the snapshot is captured at the
* full size, rather than scaled. */
background-image:
linear-gradient(45deg, #000 25%, transparent 25%),
linear-gradient(45deg, transparent 75%, #000 75%),
linear-gradient(45deg, transparent 75%, #000 75%),
linear-gradient(45deg, #000 25%, lightgreen 25%);
background-size: 200px 200px;
background-position: 0 0, 0 0, -100px -100px, 100px 100px;
width: 200%;
height: 200%;
}
/* We're verifying what we capture, so just display the old contents for 5 minutes. */
html::view-transition-new(root) { animation: unset; opacity: 0; }
html::view-transition-old(root) {
animation-duration: 300s;
animation-timing-function: steps(1, end);
opacity: 1;
}
</style>
<div></div>
<script>
failIfNot(document.startViewTransition, "Missing document.startViewTransition");
// Ensure a root snapshot captured on a page with scrollbars uses the full
// viewport size (including scrollbars). Areas obscured by scrollbars should be
// filled with background and content; the snapshot should not be scaled-to-fit.
async function runTest() {
document.startViewTransition(() => {
document.querySelector('div').remove();
document.documentElement.style.overflow = "hidden";
requestAnimationFrame(() => requestAnimationFrame(takeScreenshot));
});
}
onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>
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