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Diffstat (limited to 'testing/web-platform/tests/css/css-scroll-snap/snap-to-visible-areas-y-axis.html')
-rw-r--r-- | testing/web-platform/tests/css/css-scroll-snap/snap-to-visible-areas-y-axis.html | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-scroll-snap/snap-to-visible-areas-y-axis.html b/testing/web-platform/tests/css/css-scroll-snap/snap-to-visible-areas-y-axis.html new file mode 100644 index 0000000000..80d2e9946d --- /dev/null +++ b/testing/web-platform/tests/css/css-scroll-snap/snap-to-visible-areas-y-axis.html @@ -0,0 +1,66 @@ +<!DOCTYPE html> +<title> + Snap to a visible area only even when there is a closer snap point for an area + that is closer but not visible (using y-axis snap type) +</title> +<link rel="help" href="https://drafts.csswg.org/css-scroll-snap-1/#snap-scope"/> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<style> +div { + position: absolute; + margin: 0px; +} + +#scroller { + height: 600px; + width: 600px; + overflow: scroll; + scroll-snap-type: y mandatory; +} + +#space { + width: 2000px; + height: 2000px; +} + +.snap { + width: 200px; + height: 200px; + background-color: blue; + scroll-snap-align: start; +} + +#top-visible { + left: 0px; + top: 0px; +} + +#bottom-visible { + left: 0px; + top: 800px; +} + +#middle-not-visible { + left: 800px; + top: 700px; +} + +</style> +<div id="scroller"> + <div id="space"></div> + <div id="top-visible" class="snap"></div> + <div id="middle-not-visible" class="snap"></div> + <div id="bottom-visible" class="snap"></div> +</div> +<script> +test(() => { + const scroller = document.getElementById("scroller"); + scroller.scrollTo(0, 0); + assert_equals(scroller.scrollLeft, 0); + assert_equals(scroller.scrollTop, 0); + scroller.scrollTo(0, 500); + assert_equals(scroller.scrollLeft, 0); + assert_equals(scroller.scrollTop, 800); +}, 'Only snap to visible area on Y axis, even when the non-visible ones are closer'); +</script> |