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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
| commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
| tree | f435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/css/cssom-view/background-change-during-smooth-scroll.html | |
| parent | Initial commit. (diff) | |
| download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip | |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/cssom-view/background-change-during-smooth-scroll.html')
| -rw-r--r-- | testing/web-platform/tests/css/cssom-view/background-change-during-smooth-scroll.html | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/cssom-view/background-change-during-smooth-scroll.html b/testing/web-platform/tests/css/cssom-view/background-change-during-smooth-scroll.html new file mode 100644 index 0000000000..b5c28c77f8 --- /dev/null +++ b/testing/web-platform/tests/css/cssom-view/background-change-during-smooth-scroll.html @@ -0,0 +1,46 @@ +<!DOCTYPE html> +<title>Background change from opaque to transparent during smooth scroll</title> +<link rel=help href="https://drafts.csswg.org/cssom-view/#dictdef-scrolltooptions"> +<style> +#container { + width: 200px; + height: 200px; + overflow: scroll; + background: white; +} +#content { + width: 7500px; + height: 7500px; +} +</style> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script> +var t = async_test('background change during smooth scroll'); + +function startSmoothScroll() { + var scrollToOptions = {behavior: "smooth", top: 6000}; + container.scrollTo(scrollToOptions); + requestAnimationFrame(preventCompositedScrolling); +} + +function preventCompositedScrolling() { + container.style.background = "transparent"; + requestAnimationFrame(waitForSmoothScrollEnd); +} + +function waitForSmoothScrollEnd() { + if (container.scrollTop == 6000) { + t.done(); + } else { + window.requestAnimationFrame(waitForSmoothScrollEnd); + } +} + +onload = () => { + requestAnimationFrame(startSmoothScroll); +} +</script> +<div id="container"> + <div id="content">Content</div> +</div> |