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<!DOCTYPE html>
<!--
`reftest-snapshot-all` is necessary to take the screenshot for whole canvas
when zoom level is changed.
This is the same as what we do in the case where reftest-async-zoom is
specified.
-->
<html class="reftest-wait reftest-snapshot-all">
<meta name="viewport" content="width=device-width, minimum-scale=0.5">
<style>
html {
overflow-x: hidden;
scrollbar-width: none;
}
html, body {
margin: 0;
width: 100%;
height: 100%;
}
div {
position: absolute;
}
</style>
<div id="green" style="background: green; width: 100%; height: 100%;"></div>
<div style="background: blue; width: 100%; height: 100%;"></div>
<script>
document.addEventListener('MozReftestInvalidate', () => {
green.style.width = '200%';
requestAnimationFrame(() => {
// At this moment we don't scale down the contents due to bug 1508177.
green.style.height = '200%';
requestAnimationFrame(() => {
// Growing height should make the overflow-x:hidden area visible.
document.documentElement.classList.remove('reftest-wait');
});
});
});
</script>
</html>
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