animation-base-response-004.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-animations/animation-base-response-004.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Tests that base responds to font-affecting properties appearing via setKeyframes</title>

<link rel="help" href="https://drafts.csswg.org/css-animations/">

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

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

<style>

  #target1 {

    font-size: 10px;

    height: 1em;

</style>

<div id=target1></div>

<script>

  test(function() {

    getComputedStyle(target1).height;

    let animation = target1.animate([

      { height: '50px' },

      { height: '100px' },

    ], {

      duration: 1000000,

      delay: -500000,

      easing: 'steps(2, end)'

});

    assert_equals(getComputedStyle(target1).height, '75px');

    animation.effect.setKeyframes([

      { fontSize: '10px' },

      { fontSize: '20px' },

]);

    assert_equals(getComputedStyle(target1).height, '15px');

  }, 'Base is responsive to font-affecting appearing via setKeyframes');

</script>