picker-icon-animation.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/semantics/forms/the-select-element/customizable-select/picker-icon-animation.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>CSS Pseudo-Elements Test: ::picker-icon & web animations</title>

<link rel="author" title="Tim Nguyen" href="https://github.com/nt1m">

<link rel="help" href="https://drafts.csswg.org/css-forms/#picker-icon">

<link rel="help" href="https://drafts.csswg.org/web-animations-1/">

<meta name="assert" content="This test checks that ::picker-icon can be animated with Web Animations.">

<style>

select { appearance: base-select; }

</style>

<div id="log"></div>

<select id="target">

  <option>option</option>

</select>

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

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

<script>

const target = document.getElementById("target");

test(function() {

  const options = {

    pseudoElement: "::picker-icon",

    duration: 2,

    delay: -1,

};

  const cs = getComputedStyle(target, "::picker-icon");

  const anim = target.animate([

    {color: "rgb(0, 100, 200)"},

    {color: "rgb(200, 0, 100)"},

  ], options);

  this.add_cleanup(() => anim.cancel());

  assert_equals(cs.color, "rgb(100, 50, 150)", "color");

}, "::picker-icon pseudo-element animates");

</script>