32 lines
1.2 KiB
HTML
32 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<title>CSS Values and Units Test: sibling-index() and sibling-count() invalid in media queries</title>
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<link rel="help" href="https://drafts.csswg.org/css-values-5/#tree-counting">
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<link rel="help" href="https://drafts.csswg.org/mediaqueries-5/#width">
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<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/10982">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<style id="test_sheet">
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#target {
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background-color: green;
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}
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@media (width > CALC(0px * sibling-index())) {
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#target { background-color: red; }
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}
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@media (width > CALC(0px * sibling-count())) {
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#target { background-color: red; }
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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(() => {
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assert_equals(getComputedStyle(target).backgroundColor, "rgb(0, 128, 0)");
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}, "sibling-index() and sibling-count() are not valid in @media queries");
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test(() => {
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let rules = test_sheet.sheet.cssRules;
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assert_equals(rules.length, 3);
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assert_equals(rules[1].media.mediaText, "(width > CALC(0px * sibling-index()))");
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assert_equals(rules[2].media.mediaText, "(width > CALC(0px * sibling-count()))");
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}, "@media queries with sibling-index() and sibling-count() as general-enclosed");
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</script>
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