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57 lines
2 KiB
HTML
57 lines
2 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>CSS Scoping: ::slotted pseudo parsing</title>
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<link rel="author" title="Rune Lillesveen" href="mailto:rune@opera.com">
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<link rel="help" href="https://drafts.csswg.org/css-scoping/#slotted-pseudo">
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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="styleElm">
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</style>
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<script>
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function parse_selector(selector_text) {
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try {
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styleElm.sheet.insertRule(selector_text+"{}");
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styleElm.sheet.deleteRule(0);
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return true;
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} catch (ex) {
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return false;
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}
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}
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function test_valid_selector(selector_text) {
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test(function(){
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assert_true(parse_selector(selector_text));
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}, "Should be a valid selector: '" + selector_text + "'");
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}
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function test_invalid_selector(selector_text) {
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test(function(){
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assert_false(parse_selector(selector_text));
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}, "Should be an invalid selector: '" + selector_text + "'");
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}
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test_invalid_selector("::slotted");
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test_invalid_selector("::slotted()");
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test_invalid_selector("::slotted(*).class");
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test_invalid_selector("::slotted(*)#id {}");
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test_invalid_selector("::slotted(*)[attr]");
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test_invalid_selector("::slotted(*):hover");
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test_invalid_selector("::slotted(*):read-only");
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test_invalid_selector("::slotted(*)::slotted(*)");
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test_invalid_selector("::slotted(*)::before::slotted(*)");
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test_invalid_selector("::slotted(*) span");
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test_valid_selector("::slotted(*)");
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test_valid_selector("::slotted(div)");
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test_valid_selector("::slotted([attr]:hover)");
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test_valid_selector("::slotted(:not(.a))");
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// Allow tree-abiding pseudo elements after ::slotted
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test_valid_selector("::slotted(*)::before");
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test_valid_selector("::slotted(*)::after");
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// Other pseudo elements not valid after ::slotted
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test_invalid_selector("::slotted(*)::first-line");
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test_invalid_selector("::slotted(*)::first-letter");
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test_invalid_selector("::slotted(*)::selection");
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</script>
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