39 lines
1 KiB
HTML
39 lines
1 KiB
HTML
<!DOCTYPE html>
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<title>CSS Anchor Positioning Test: Initial @position-try does not trigger a transition</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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<div id=cb>
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<div id=abs></div>
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</div>
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<style>
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#cb {
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position: relative;
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width: 100px;
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height: 100px;
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background: lightpink;
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}
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#abs {
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position: absolute;
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background: darkcyan;
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top: 10px;
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left: 10px;
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width: 150px; /* force fallback */
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height: 25px;
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position-try-fallbacks: --pf;
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transition-property: top, left;
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transition-duration: 10s;
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transition-timing-function: steps(2, start);
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}
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@position-try --pf {
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width: 50px;
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top: 50px;
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left: 50px;
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}
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</style>
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<script>
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test(() => {
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assert_equals(getComputedStyle(abs).top, '50px');
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assert_equals(getComputedStyle(abs).left, '50px');
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}, 'No transition for initial style with @position-try');
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</script>
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