servo/tests/wpt/web-platform-tests/fullscreen/rendering/fullscreen-root-block-scroll-manual.html

26 lines
896 B
HTML

<!DOCTYPE html>
<style>
body {
height: 10000px;
background: grey;
}
</style>
<title>fullscreen root block scrolling</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<div>This page tests that entering fullscreen doesn't adjust the scroll offset</div>
<script>
async_test(t => {
document.scrollingElement.scrollTop = 300;
document.onfullscreenchange = t.step_func_done(() => {
assert_equals(document.fullscreenElement, document.documentElement);
assert_not_equals(document.scrollingElement.scrollTop, 0);
});
document.documentElement.addEventListener('click', e => {
document.documentElement.requestFullscreen();
}, {once: true});
test_driver.click(document.documentElement);
});
</script>