<!DOCTYPE html>
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/7759">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/computed-testcommon.js"></script>
</head>
<style>
  #outer { timeline-scope: foo; }
  #target { timeline-scope: bar; }
</style>
<div id="outer">
  <div id="target"></div>
</div>
<script>
test_computed_value('timeline-scope', 'initial', 'none');
test_computed_value('timeline-scope', 'inherit', 'foo');
test_computed_value('timeline-scope', 'unset', 'none');
test_computed_value('timeline-scope', 'revert', 'none');
test_computed_value('timeline-scope', 'none');
test_computed_value('timeline-scope', 'test');
test_computed_value('timeline-scope', 'foo, bar');
test_computed_value('timeline-scope', 'bar, foo');
test_computed_value('timeline-scope', 'a, b, c, D, e');

test(() => {
  let style = getComputedStyle(document.getElementById('target'));
  assert_not_equals(Array.from(style).indexOf('timeline-scope'), -1);
}, 'The timeline-scope property shows up in CSSStyleDeclaration enumeration');

test(() => {
  let style = document.getElementById('target').style;
  assert_not_equals(style.cssText.indexOf('timeline-scope'), -1);
}, 'The timeline-scope property shows up in CSSStyleDeclaration.cssText');

</script>
