starting-style-adjustment.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-transitions/starting-style-adjustment.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>CSS Transitions Test: Style adjustments for @starting-style</title>

<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#defining-before-change-style-the-starting-style-rule">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/css/css-transitions/support/helper.js"></script>

<style>

legend {

  transition: display 1s step-end allow-discrete;

@starting-style {

  legend { display:inline; }

</style>

<body>

<legend></legend>

<script>

promise_test(async t => {

  await waitForAnimationFrames(1);

  assert_equals(document.getAnimations().length, 0, "No transitions");

}, "The display property in <legend> @starting-style should be blockified so no transition should start");

</script>

</body>