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Diffstat (limited to 'testing/web-platform/tests/css/css-scroll-snap-2/snap-events-with-pseudo-target.tentative.html')
-rw-r--r-- | testing/web-platform/tests/css/css-scroll-snap-2/snap-events-with-pseudo-target.tentative.html | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-scroll-snap-2/snap-events-with-pseudo-target.tentative.html b/testing/web-platform/tests/css/css-scroll-snap-2/snap-events-with-pseudo-target.tentative.html new file mode 100644 index 0000000000..baa3efc7ba --- /dev/null +++ b/testing/web-platform/tests/css/css-scroll-snap-2/snap-events-with-pseudo-target.tentative.html @@ -0,0 +1,86 @@ +<!DOCTYPE html> +<html> + <head> + <meta charset="utf-8"> + <title> CSS Scroll Snap 2 Test: Snap Events with pseudo-element targets.</title> + <link rel="help" href="https://drafts.csswg.org/css-scroll-snap-2/#snap-events"> + <script src="/resources/testharness.js"></script> + <script src="/resources/testharnessreport.js"></script> + <script src="/resources/testdriver.js"></script> + <script src="/resources/testdriver-actions.js"></script> + <script src="/resources/testdriver-vendor.js"></script> + <script src="/css/css-scroll-snap-2/resources/common.js"></script> + <script src="/css/css-scroll-snap-2/resources/user-scroll-common.js"></script> + <script src="/dom/events/scrolling/scroll_support.js"></script> + </head> + <body> + <style> + .scroller { + overflow: scroll; + width: 200px; + height: 200px; + border: solid 1px black; + scroll-snap-type: y mandatory; + position: absolute; + resize: both; + } + .space { + height: 300vh; + width: 300vw; + position: absolute; + } + .scroller::before, .scroller::after { + scroll-snap-align: start; + height: 50px; + width: 50px; + color: white; + display: block; + } + .scroller::before { + content: "before"; + background-color: blue; + } + .scroller::after { + content: "after"; + background-color: orange; + margin-top: 100px; + } + </style> + <div class="scroller" id="scroller"> + <div class="space"></div> + </div> + + <script> + const start_pos = { + x: scroller.clientWidth / 2, + y: scroller.clientHeight / 2, + }; + const end_pos = { x: scroller.clientWidth / 2, y: 0 }; + // The top of the ::after pseudo element is the sum of the + // ::before pseudo-element's height (50) and the ::after + // pseudo-element's margin-top (100). + const after_pseudo_element_top = 50 + 100; + const test_data = { + scroller: scroller, + scrolling_function: async () => { + await snap_event_touch_scroll_helper(start_pos, end_pos); + }, + expected_snap_targets: { block: scroller, inline: null }, + expected_scroll_offsets: { + x: 0, + y: after_pseudo_element_top, + } + }; + + promise_test(async (t) => { + await test_snapchanged(t, test_data); + }, "snapTarget for snapchanged is the owning element when a snap area " + + "belongs to a pseudo-element"); + + promise_test(async (t) => { + await test_snap_event(t, test_data, "snapchanging"); + }, "snapTarget for snapchanging is the owning element when a snap area " + + "belongs to a pseudo-element"); + </script> + </body> +</html> |