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