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Diffstat (limited to 'testing/web-platform/tests/css/css-position/sticky/position-sticky-scrollIntoView.html')
-rw-r--r-- | testing/web-platform/tests/css/css-position/sticky/position-sticky-scrollIntoView.html | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-position/sticky/position-sticky-scrollIntoView.html b/testing/web-platform/tests/css/css-position/sticky/position-sticky-scrollIntoView.html new file mode 100644 index 0000000000..6fb4723529 --- /dev/null +++ b/testing/web-platform/tests/css/css-position/sticky/position-sticky-scrollIntoView.html @@ -0,0 +1,41 @@ +<!DOCTYPE html> +<title>Scrolling to sticky position elements uses their unshifted position</title> +<link rel="help" href="https://www.w3.org/TR/css-position-3/#stickypos-scroll" /> +<meta name="assert" content="This test checks that scrolling to sticky position elements uses their initial position" /> + +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> + +<style> + +h1 { + position: sticky; + background: #ddd; + border: 1px solid black; + top: 0px; + bottom: 0px; +} + +section { + height: 100vh; +} +</style> + +<body> + <h1>Title 1</h1> + <section></section> + <h1>Title 2</h1> + <section></section> + <h1>Title 3</h1> + <section></section> + +<script> +test(() => { + window.scrollTo(0, 0); + const element = document.querySelectorAll('h1')[2]; + element.scrollIntoView(); + assert_approx_equals(document.scrollingElement.scrollTop, element.offsetTop, 1); +}, 'scrolling a sticky element into view should use its unshifted position'); +</script> +</body> + |