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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /testing/web-platform/tests/css/css-scroll-snap/overflowing-snap-areas.html
parentInitial commit. (diff)
downloadfirefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz
firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/css-scroll-snap-1/#scroll-snap-type" />
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<style>
+div {
+ position: absolute;
+}
+.scroller-x {
+ overflow: scroll;
+ scroll-snap-type: x mandatory;
+ width: 500px;
+ height: 500px;
+}
+.scroller-y {
+ overflow: scroll;
+ scroll-snap-type: y mandatory;
+ width: 500px;
+ height: 500px;
+}
+.space {
+ width: 4000px;
+ height: 4000px;
+}
+.target {
+ scroll-snap-align: start;
+ height: 400px;
+ width: 400px;
+}
+.large-x {
+ width: 3000px;
+ background-color: yellow;
+}
+.large-y {
+ height: 2000px;
+ background-color: yellow;
+}
+.small {
+ height: 200px;
+ width: 200px;
+ background-color: black;
+}
+</style>
+<div class="scroller-x" id="one-target">
+ <div class="space"></div>
+ <div class="large-x target" id="single" style="left: 200px;"></div>
+</div>
+
+<div class="scroller-x" id="x">
+ <div class="space"></div>
+ <div style="left: 200px;">
+ <div class="target large-x"></div>
+ <div class="target small" style="left: 200px"></div>
+ <div class="target small" style="left: 600px"></div>
+ <div class="target small" style="left: 1200px"></div>
+ </div>
+</div>
+
+<div class="scroller-y" id="y">
+ <div class="space"></div>
+ <div style="top: 200px;">
+ <div class="target large-y"></div>
+ <div class="target small" style="top: 200px"></div>
+ <div class="target small" style="top: 600px"></div>
+ <div class="target small" style="top: 1200px"></div>
+ <div class="target large-y" style="top: 2000px"></div>
+ </div>
+</div>
+
+<div class="scroller-x" id="two-axes" style="scroll-snap-type: both mandatory">
+ <div class="space"></div>
+ <div class="target large-x" style="top: 200px"></div>
+</div>
+
+<div class="scroller-x" id="overlapping-overflow" style="scroll-snap-type: both mandatory">
+ <div class="space"></div>
+ <div style="left: 200px; top: 200px;">
+ <div class="target small"></div>
+ <div class="target small"></div>
+ <div class="target small"></div>
+ <div class="target large-y large-x"></div>
+ <div class="target small"></div>
+ <div class="target small"></div>
+ <div class="target small"></div>
+ </div>
+</div>
+
+<script>
+var one_target_scroller = document.getElementById("one-target");
+var scroller_x = document.getElementById("x");
+var scroller_y = document.getElementById("y");
+var two_axes_scroller = document.getElementById("two-axes");
+var overlapping_scroller = document.getElementById("overlapping-overflow");
+
+test(() => {
+ one_target_scroller.scrollTo(10, 0);
+ assert_equals(one_target_scroller.scrollLeft, 200);
+ assert_equals(one_target_scroller.scrollTop, 0);
+}, "Snaps to the snap position if the snap area doesn't cover the snapport on x.");
+
+test(() => {
+ var right_align = 3200 - one_target_scroller.clientWidth;
+ one_target_scroller.scrollTo(right_align, 0);
+ assert_equals(one_target_scroller.scrollLeft, right_align);
+ assert_equals(one_target_scroller.scrollTop, 0);
+}, "Snaps to the snap position if the snap area covers the snapport on x on the right border.");
+
+// We use end alignment for this test so that we don't fall on a snap
+// position when the snap area just covers the snapport on the left border.
+test(() => {
+ document.getElementById("single").style.scrollSnapAlign = 'end';
+ one_target_scroller.scrollTo(200, 0);
+ assert_equals(one_target_scroller.scrollLeft, 200);
+ assert_equals(one_target_scroller.scrollTop, 0);
+}, "Snaps to the snap position if the snap area covers the snapport on x on the left border.");
+
+test(() => {
+ scroller_x.scrollTo(500, 0);
+ assert_equals(scroller_x.scrollLeft, 400);
+ assert_equals(scroller_x.scrollTop, 0);
+}, "Snaps if the distance between the previous(400) and next(800) " +
+ "snap positions is smaller than snapport(500) on x.");
+
+test(() => {
+ scroller_y.scrollTo(0, 500);
+ assert_equals(scroller_y.scrollLeft, 0);
+ assert_equals(scroller_y.scrollTop, 400);
+}, "Snaps if the distance between the previous(400) and next(800) " +
+ "snap positions is smaller than snapport(500) on y.");
+
+test(() => {
+ scroller_x.scrollTo(900, 0);
+ assert_equals(scroller_x.scrollLeft, 900);
+ assert_equals(scroller_x.scrollTop, 0);
+}, "Snap to current scroll position which is a valid snap position, " +
+ "as the snap area covers snapport on x and the distance between the " +
+ "previous(800) and next(1400) is larger than snapport(500).");
+
+test(() => {
+ scroller_y.scrollTo(0, 900);
+ assert_equals(scroller_y.scrollLeft, 0);
+ assert_equals(scroller_y.scrollTop, 900);
+}, "Snap to current scroll position which is a valid snap position, " +
+ "as the snap area covers snapport on y and the distance between the " +
+ "previous(800) and next(1400) is larger than snapport(500).");
+
+test(() => {
+ scroller_x.scrollTo(1500, 0);
+ assert_equals(scroller_x.scrollLeft, 1500);
+ assert_equals(scroller_x.scrollTop, 0);
+}, "Snap to current scroll position which is a valid snap position, as the " +
+ "snap area covers snapport on x and there is no subsequent snap positions.");
+
+test(() => {
+ scroller_y.scrollTo(0, 1500);
+ assert_equals(scroller_y.scrollLeft, 0);
+ assert_equals(scroller_y.scrollTop, 1500);
+}, "Snap to current scroll position which is a valid snap position, as the " +
+ "snap area covers snapport on y and there is no subsequent snap positions.");
+
+test(() => {
+ const maxScrollTop = scroller_y.scrollHeight - scroller_y.clientHeight;
+
+ // Scroll to the bottom edge which is a valid snap position that a large
+ // target element covers the snapport.
+ scroller_y.scrollTo(0, maxScrollTop);
+ assert_equals(scroller_y.scrollTop, maxScrollTop);
+
+ // Scroll to `the bottom edge + 1`.
+ scroller_y.scrollTo(0, maxScrollTop + 1);
+ assert_equals(scroller_y.scrollTop, maxScrollTop);
+}, "Don't snap back even if scrollTo tries to scroll to positions which are " +
+ "outside of the scroll range and if a snap target element covers the snaport");
+
+test(() => {
+ two_axes_scroller.scrollTo(10, 100);
+ assert_equals(two_axes_scroller.scrollLeft, 10);
+ assert_equals(two_axes_scroller.scrollTop, 200);
+}, "Snap to current scroll position on x as the area is covering x axis." +
+ "However, we snap to the specified snap position on y as the area is not " +
+ "covering y axis.");
+
+test(() => {
+ overlapping_scroller.scrollTo(200, 800);
+ assert_equals(overlapping_scroller.scrollLeft, 200);
+ assert_equals(overlapping_scroller.scrollTop, 800);
+}, "snap to current scroll position on y as the area is covering y axis, " +
+ "even though that area is not the only scroll area at the same position.");
+
+test(() => {
+ overlapping_scroller.scrollTo(800, 200);
+ assert_equals(overlapping_scroller.scrollLeft, 800);
+ assert_equals(overlapping_scroller.scrollTop, 200);
+}, "snap to current scroll position on x as the area is covering x axis, " +
+ "even though that area is not the only scroll area at the same position.");
+</script>
+</script>
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