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<!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>
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