42 lines
1.5 KiB
HTML
42 lines
1.5 KiB
HTML
<!doctype html>
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<title>@container: originating element container for highlight pseudo elements</title>
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<link rel="help" href="https://drafts.csswg.org/css-conditional-5/#container-queries">
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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 src="support/cq-testcommon.js"></script>
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<style>
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#target { container-type: inline-size; }
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#target::highlight(foo) {
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text-decoration-line: underline;
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text-decoration-thickness: 0px;
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}
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@container (width >= 300px) {
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#target::highlight(foo) {
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text-decoration-line: underline;
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text-decoration-thickness: 10cqw;
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}
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#target::highlight(bar) {
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text-decoration-line: underline;
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text-decoration-thickness: 10cqw;
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}
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}
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</style>
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<div id="outer" style="width: 200px">
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<div id="target"></div>
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</div>
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<script>
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setup(() => assert_implements_size_container_queries());
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test(() => {
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assert_equals(getComputedStyle(target, "::highlight(foo)").textDecorationThickness, "0px");
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}, `Initial text-decoration-thickness for highlight pseudo`);
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outer.style.width = "300px";
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test(() => {
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assert_equals(getComputedStyle(target, "::highlight(foo)").textDecorationThickness, "30px");
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}, `text-decoration-thickness for highlight pseudo depending on container`);
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test(() => {
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assert_equals(getComputedStyle(target, "::highlight(bar)").textDecorationThickness, "30px");
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}, `text-decoration-thickness for highlight pseudo depending on container only defined in a query`);
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</script>
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