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Diffstat (limited to 'testing/web-platform/tests/css/css-scroll-anchoring/infinite-scroll-event.tentative.html')
-rw-r--r-- | testing/web-platform/tests/css/css-scroll-anchoring/infinite-scroll-event.tentative.html | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-scroll-anchoring/infinite-scroll-event.tentative.html b/testing/web-platform/tests/css/css-scroll-anchoring/infinite-scroll-event.tentative.html new file mode 100644 index 0000000000..4bc222f4e7 --- /dev/null +++ b/testing/web-platform/tests/css/css-scroll-anchoring/infinite-scroll-event.tentative.html @@ -0,0 +1,39 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> +<link rel="author" title="Mozilla" href="https://mozilla.org"> +<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1561450"> +<link rel="help" href="https://drafts.csswg.org/css-scroll-anchoring/#suppression-triggers"> +<style> + body { margin: 0 } + .content { + height: 45vh; + background: lightblue; + } +</style> +<div class="content"></div> +<div id="hidden" style="display: none; height: 200px"></div> +<div class="content"></div> +<div class="content"></div> +<div class="content"></div> +<script> +let first = true; +const t = async_test("Scroll adjustments don't happen if triggered from scroll event listeners"); +onscroll = t.step_func(function() { + assert_true(first, "Should only get one event"); + first = false; + hidden.style.display = "block"; + hidden.offsetTop; + hidden.style.display = "none"; + requestAnimationFrame(t.step_func(function() { + requestAnimationFrame(t.step_func(function() { + t.done(); + })); + })); +}); +window.onload = t.step_func(function() { + window.scrollTo(0, document.documentElement.scrollHeight); + window.scrollBy(0, -200); +}); +</script> |