forked from mirrors/gecko-dev
f56f7234e8
Automatic update from web-platform-tests [css-properties-values-api] CSS.supports should ignore syntax after all. According to a recent spec change, the syntax of a registered custom property must be ignored until computed-value time. This means that CSS.supports must treat all custom properties as unregistered. This effectively reverts 9646ae2d0269da525804f2d60c6c0380e754bd3f (except the test). Bug: 641877 Change-Id: I6d24fc23534636b88167121b73b28455f563d501 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1713508 Reviewed-by: Rune Lillesveen <futhark@chromium.org> Commit-Queue: Anders Hartvoll Ruud <andruud@chromium.org> Cr-Commit-Position: refs/heads/master@{#679986} -- wpt-commits: 151e5cc98d40a21d6f1202a2e5fc8d464722f475 wpt-pr: 17998
43 lines
1.2 KiB
HTML
43 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<link rel="help" href="https://drafts.css-houdini.org/css-properties-values-api-1/#conditional-rules">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script>
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CSS.registerProperty({
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name: '--length',
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syntax: '<length>',
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initialValue: '0px',
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inherits: false
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});
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</script>
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<style>
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#target { color: red; }
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@supports(--length: green) {
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#target { color: rgb(1, 2, 3); }
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}
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</style>
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<div id=target></div>
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<script>
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test(function() {
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let cs = getComputedStyle(target);
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assert_equals(cs.getPropertyValue('color'), 'rgb(1, 2, 3)');
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}, '@supports should ignore registered syntax');
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test(function() {
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assert_true(CSS.supports('--length: red'));
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assert_true(CSS.supports('--length: 10px'));
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assert_true(CSS.supports('--length: anything, really'));
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}, 'CSS.supports(conditionText) should ignore registered syntax');
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test(function() {
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assert_true(CSS.supports('--length', 'red'));
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assert_true(CSS.supports('--length', '10px'));
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assert_true(CSS.supports('--length', ' anything, really'));
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}, 'CSS.supports(property, value) should ignore registered syntax');
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</script>
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