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54 lines
1.8 KiB
HTML
54 lines
1.8 KiB
HTML
<!doctype html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>CSSOM - CSSGroupingRule - cssRules</title>
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<link rel="help" href="https://drafts.csswg.org/cssom/#the-cssgroupingrule-interface">
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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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function create(t) {
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var style = document.createElement('style');
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style.appendChild(document.createTextNode('@media all { * {} }'));
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document.head.appendChild(style);
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t.add_cleanup(function() {
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document.head.removeChild(style);
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});
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assert_true(!!style.sheet, 'setup - sheet defined');
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assert_equals(
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style.sheet.cssRules.length, 1, 'setup - grouping rule created'
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);
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assert_equals(
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style.sheet.cssRules[0].cssRules.length, 1, 'setup - rule created'
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);
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return style.sheet.cssRules[0];
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}
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test(function (t) {
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var groupingRule = create(t);
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groupingRule.cssRules.wptMarker = 'wpt';
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// `insertRule` is used to prompt non-conforming implementations to
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// create a new CSSRuleList object. Its behavior is verified by a
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// dedicated test and should not influence the result of this
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// particular test.
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try {
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groupingRule.insertRule('.foo {}', 0);
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groupingRule.insertRule('.bar {}', 0);
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groupingRule.insertRule('.baz {}', 0);
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} catch (err) {}
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assert_equals(groupingRule.cssRules.wptMarker, 'wpt');
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try {
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groupingRule.deleteRule('.foo {}', 0);
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groupingRule.deleteRule('.bar {}', 0);
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groupingRule.deleteRule('.baz {}', 0);
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} catch (err) {}
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assert_equals(groupingRule.cssRules.wptMarker, 'wpt');
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}, '[SameObject] is honored');
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</script>
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</head>
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</html>
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