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44 lines
1.4 KiB
HTML
44 lines
1.4 KiB
HTML
<!DOCTYPE html>
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<link rel="help" href="https://drafts.csswg.org/css-scroll-snap-1/#scroll-margin">
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<link rel="help" href="https://drafts.csswg.org/css-scroll-snap-1/#scroll-padding">
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<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1708303">
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<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
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<link rel="author" href="https://mozilla.org" title="Mozilla">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<style>
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body { margin: 0 }
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#scroller {
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height: 500px;
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width: 500px;
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scrollbar-width: none;
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overflow: scroll;
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}
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#target {
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width: 100px;
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height: 100px;
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background-color: blue;
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scroll-margin: 100px;
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margin-left: 510px;
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}
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</style>
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<div id="scroller">
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<div style="width: 450px; height: 450px;"></div>
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<div tabindex="0" id="target"></div>
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<div style="width: 2000px; height: 2000px;"></div>
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</div>
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<script>
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let scroller = document.getElementById("scroller");
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let target = document.getElementById("target");
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promise_test(async function() {
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scroller.scrollTo(0, 0);
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await new Promise(resolve => {
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scroller.addEventListener("scroll", resolve, { once: true });
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document.getElementById("target").focus();
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});
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assert_true(scroller.scrollTop > 0, "Visibility check should not account for margin");
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assert_true(scroller.scrollLeft > 0, "Visibility check should not account for margin");
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});
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</script>
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