forked from mirrors/gecko-dev
7c4001dab2
Automatic update from web-platform-tests [anchor] Add WPTs for transitions triggered by position-try-options Bug: 40943051 Change-Id: I6d486b676d3aaa621727e111f59373c51419c482 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5419305 Commit-Queue: Anders Hartvoll Ruud <andruud@chromium.org> Reviewed-by: Rune Lillesveen <futhark@chromium.org> Cr-Commit-Position: refs/heads/main@{#1283074} -- wpt-commits: 9d46525e573e34f4d78d9336e5f089469e60399c wpt-pr: 45537
58 lines
1.4 KiB
HTML
58 lines
1.4 KiB
HTML
<!DOCTYPE html>
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<title>CSS Anchor Positioning: Transition when @position-try is applied</title>
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<link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#fallback-apply">
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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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#cb {
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display: inline-block;
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position: relative;
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width: 400px;
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height: 250px;
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border: 1px solid black;
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}
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#cb.shrink {
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width: 300px;
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}
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#target {
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position: absolute;
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left: 300px;
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width: 50px;
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height: 50px;
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background: skyblue;
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position-try-options: --200;
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}
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#target.anim {
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transition: left 1000s steps(2, start);
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}
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@position-try --200 {
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left: 200px;
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}
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</style>
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<div id=cb>
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<div id=target></div>
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</div>
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<script>
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function cleanup() {
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target.className = '';
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cb.className = '';
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}
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test((t) => {
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t.add_cleanup(cleanup);
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assert_equals(target.offsetLeft, 300);
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cb.classList.add('shrink');
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target.classList.add('anim');
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// Now we take the --200 option:
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assert_equals(target.offsetLeft, 250);
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}, 'Transition when @position-try is applied');
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test((t) => {
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t.add_cleanup(cleanup);
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cb.classList.add('shrink');
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assert_equals(target.offsetLeft, 200);
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cb.classList.remove('shrink');
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target.classList.add('anim');
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assert_equals(target.offsetLeft, 250);
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}, 'Transition when @position-try is unapplied');
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</script>
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