summaryrefslogtreecommitdiffstats
path: root/testing/web-platform/tests/css/css-scroll-snap/snap-to-visible-areas-both.html
diff options
context:
space:
mode:
Diffstat (limited to 'testing/web-platform/tests/css/css-scroll-snap/snap-to-visible-areas-both.html')
-rw-r--r--testing/web-platform/tests/css/css-scroll-snap/snap-to-visible-areas-both.html70
1 files changed, 70 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-scroll-snap/snap-to-visible-areas-both.html b/testing/web-platform/tests/css/css-scroll-snap/snap-to-visible-areas-both.html
new file mode 100644
index 0000000000..cde329bcc3
--- /dev/null
+++ b/testing/web-platform/tests/css/css-scroll-snap/snap-to-visible-areas-both.html
@@ -0,0 +1,70 @@
+<!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 both axes 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: both mandatory;
+}
+
+#space {
+ width: 2000px;
+ height: 2000px;
+}
+
+.snap {
+ width: 200px;
+ height: 200px;
+ background-color: blue;
+ scroll-snap-align: start;
+}
+
+#left-top {
+ left: 0px;
+ top: 0px;
+}
+
+#left-bottom {
+ left: 0px;
+ top: 800px;
+}
+
+#right-top {
+ left: 800px;
+ top: 0px;
+}
+
+</style>
+<div id="scroller">
+ <div id="space"></div>
+ <div id="left-top" class="snap"></div>
+ <div id="left-bottom" class="snap"></div>
+ <div id="right-top" class="snap"></div>
+</div>
+<script>
+test(t => {
+ const scroller = document.getElementById("scroller");
+ scroller.scrollTo(0, 0);
+ assert_equals(scroller.scrollLeft, 0);
+ assert_equals(scroller.scrollTop, 0);
+ scroller.scrollTo(500, 600);
+ assert_equals(scroller.scrollLeft, 0);
+ assert_equals(scroller.scrollTop, 800);
+ scroller.scrollTo(600, 500);
+ assert_equals(scroller.scrollLeft, 800);
+ assert_equals(scroller.scrollTop, 0);
+}, 'Only snap to visible areas in the case where taking the closest snap point of \
+ each axis does not snap to a visible area');
+</script>