39 lines
1.5 KiB
HTML
39 lines
1.5 KiB
HTML
<!doctype html>
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<link rel="help" href="https://drafts.csswg.org/css-transitions/#transition-duration-property">
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<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1650189">
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<link rel="author" href="http://mellthas.de" title="Till Berger">
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<link rel="author" href="https://mozilla.org" title="Mozilla">
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<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
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<script src="/resources/testharness.js" type="text/javascript"></script>
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<script src="/resources/testharnessreport.js" type="text/javascript"></script>
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<title>transition-duration when looking at shorthand properties should be correct</title>
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<style>
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div {
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width: 100px;
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height: 100px;
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background-color: green;
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transition: all 100s, height 0s;
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}
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div.trigger {
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width: 200px;
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height: 200px;
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}
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</style>
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<div></div>
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<script>
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promise_test(async function (t) {
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let div = document.querySelector("div");
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let cs = getComputedStyle(div);
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assert_equals(cs.width, "100px", "Width should start off correct");
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assert_equals(cs.height, "100px", "Height should start off correct");
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div.classList.add("trigger");
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await new Promise(resolve => {
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requestAnimationFrame(() => requestAnimationFrame(resolve));
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});
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assert_not_equals(cs.width, "200px", "Width should not have advanced to the end of the transition right away");
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assert_equals(cs.height, "200px", "Height should have advanced to the end of the transition right away");
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});
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</script>
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