63 lines
No EOL
1.6 KiB
HTML
63 lines
No EOL
1.6 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title> CSS Scroll Snap 2 Test: scroll-initial-target*</title>
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<link rel="help" href="https://drafts.csswg.org/css-scroll-snap-2/#scroll-initial-target">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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</head>
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<body>
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<style>
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#scroller {
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height: 500px;
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width: 500px;
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display: block;
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overflow: scroll;
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writing-mode: vertical-rl;
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}
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.box {
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position: relative;
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width: 60%;
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height: 60%;
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}
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.top_right {
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top: 0px;
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left: 0px;
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background-color: red;
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}
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.center {
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top: 60%;
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background-color: purple;
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scroll-initial-target: nearest;
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}
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.bottom_left {
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top: 120%;
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background-color: yellow;
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}
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</style>
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<div id="scroller">
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<div class="top_right box" id="box1"></div>
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<div class="center box" id="box2"></div>
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<div class="bottom_left box" id="box3"></div>
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</div>
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<script>
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let initial_expected_scroll_top = box1.getBoundingClientRect().height;
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let initial_expected_scroll_left = -box1.getBoundingClientRect().width;
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test((t) => {
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assert_equals(scroller.scrollTop, initial_expected_scroll_top,
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"scroller is vertically scrolled to scroll-initial-target");
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assert_equals(scroller.scrollLeft, initial_expected_scroll_left,
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"scroller is horizontally scrolled to scroll-initial-target");
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}, "scroll-initial-target reflects vertical rtl writing mode.");
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</script>
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</body>
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</html> |