timeline-scope-computed.tentative.html

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This test has a WPT meta file that expects 11 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /scroll-animations/css/timeline-scope-computed.tentative.html - WPT Dashboard Interop Dashboard

<!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>