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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-transitions/transition-duration-shorthand.html - WPT Dashboard Interop Dashboard
<!doctype html>
<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
<script src="/resources/testharness.js" type="text/javascript"></script>
<script src="/resources/testharnessreport.js" type="text/javascript"></script>
<title>transition-duration when looking at shorthand properties should be correct</title>
<style>
div {
width: 100px;
height: 100px;
background-color: green;
transition: all 100s, height 0s;
}
div.trigger {
width: 200px;
height: 200px;
}
</style>
<div></div>
<script>
promise_test(async function (t) {
let div = document.querySelector("div");
let cs = getComputedStyle(div);
assert_equals(cs.width, "100px", "Width should start off correct");
assert_equals(cs.height, "100px", "Height should start off correct");
div.classList.add("trigger");
await new Promise(resolve => {
requestAnimationFrame(() => requestAnimationFrame(resolve));
});
assert_not_equals(cs.width, "200px", "Width should not have advanced to the end of the transition right away");
assert_equals(cs.height, "200px", "Height should have advanced to the end of the transition right away");
});
</script>