scroll-timeline-shorthand.html

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This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /scroll-animations/css/scroll-timeline-shorthand.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<link rel="help" href="https://drafts.csswg.org/scroll-animations-1/#scroll-timeline-shorthand">

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

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

<script src="/css/support/computed-testcommon.js"></script>

<script src="/css/support/parsing-testcommon.js"></script>

<script src="/css/support/shorthand-testcommon.js"></script>

<div id="target"></div>

<script>

test_valid_value('scroll-timeline', 'none block', 'none');

test_valid_value('scroll-timeline', 'none inline');

test_valid_value('scroll-timeline', '--abc x');

test_valid_value('scroll-timeline', '--abc inline');

test_valid_value('scroll-timeline', '--aBc inline');

test_valid_value('scroll-timeline', '--inline inline');

test_valid_value('scroll-timeline', '--abc');

test_valid_value('scroll-timeline', '--inline block', '--inline');

test_valid_value('scroll-timeline', '--block block', '--block');

test_valid_value('scroll-timeline', '--y block', '--y');

test_valid_value('scroll-timeline', '--x block', '--x');

test_valid_value('scroll-timeline', '--a, --b, --c');

test_valid_value('scroll-timeline', '--a inline, --b block, --c y', '--a inline, --b, --c y');

test_valid_value('scroll-timeline', '--auto');

test_invalid_value('scroll-timeline', '');

test_invalid_value('scroll-timeline', '--abc --abc');

test_invalid_value('scroll-timeline', 'block none');

test_invalid_value('scroll-timeline', 'inline --abc');

test_invalid_value('scroll-timeline', 'default');

test_invalid_value('scroll-timeline', ',');

test_invalid_value('scroll-timeline', ',,block,,');

test_computed_value('scroll-timeline', 'none block', 'none');

test_computed_value('scroll-timeline', '--abc inline');

test_computed_value('scroll-timeline', 'none y');

test_computed_value('scroll-timeline', '--abc x');

test_computed_value('scroll-timeline', '--y y');

test_computed_value('scroll-timeline', '--abc');

test_computed_value('scroll-timeline', '--inline block', '--inline');

test_computed_value('scroll-timeline', '--block block', '--block');

test_computed_value('scroll-timeline', '--y block', '--y');

test_computed_value('scroll-timeline', '--x block', '--x');

test_computed_value('scroll-timeline', '--a, --b, --c');

test_computed_value('scroll-timeline', '--a inline, --b block, --c y', '--a inline, --b, --c y');

test_shorthand_value('scroll-timeline', '--abc y',

  'scroll-timeline-name': '--abc',

  'scroll-timeline-axis': 'y',

});

test_shorthand_value('scroll-timeline', '--inline x',

  'scroll-timeline-name': '--inline',

  'scroll-timeline-axis': 'x',

});

test_shorthand_value('scroll-timeline', '--abc y, --def',

  'scroll-timeline-name': '--abc, --def',

  'scroll-timeline-axis': 'y, block',

});

test_shorthand_value('scroll-timeline', '--abc, --def',

  'scroll-timeline-name': '--abc, --def',

  'scroll-timeline-axis': 'block, block',

});

function test_shorthand_contraction(shorthand, longhands, expected) {

  let longhands_fmt = Object.entries(longhands).map((e) => `${e[0]}:${e[1]}:${e[2]}`).join(';');

  test((t) => {

    t.add_cleanup(() => {

      for (let shorthand of Object.keys(longhands))

        target.style.removeProperty(shorthand);

});

    for (let [shorthand, value] of Object.entries(longhands))

      target.style.setProperty(shorthand, value);

    assert_equals(target.style.getPropertyValue(shorthand), expected, 'Declared value');

    assert_equals(getComputedStyle(target).getPropertyValue(shorthand), expected, 'Computed value');

  }, `Shorthand contraction of ${longhands_fmt}`);

test_shorthand_contraction('scroll-timeline', {

  'scroll-timeline-name': '--abc',

  'scroll-timeline-axis': 'inline',

}, '--abc inline');

test_shorthand_contraction('scroll-timeline', {

  'scroll-timeline-name': '--a, --b',

  'scroll-timeline-axis': 'inline, block',

}, '--a inline, --b');

test_shorthand_contraction('scroll-timeline', {

  'scroll-timeline-name': 'none, none',

  'scroll-timeline-axis': 'block, block',

}, 'none, none');

// Longhands with different lengths:

test_shorthand_contraction('scroll-timeline', {

  'scroll-timeline-name': '--a, --b, --c',

  'scroll-timeline-axis': 'inline, inline',

}, '--a inline, --b inline, --c inline');

test_shorthand_contraction('scroll-timeline', {

  'scroll-timeline-name': '--a, --b',

  'scroll-timeline-axis': 'inline, inline, inline',

}, '--a inline, --b inline');

</script>