| <!doctype html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>CSSOM - CSSGroupingRule - insertRule</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); |
| var first = groupingRule.cssRules[0].cssText; |
| var result; |
| |
| result = groupingRule.insertRule('.foo {}', 0); |
| |
| assert_equals(groupingRule.cssRules.length, 2); |
| assert_not_equals(groupingRule.cssRules[0].cssText, first); |
| assert_equals(groupingRule.cssRules[1].cssText, first); |
| assert_equals(result, 0, 'result'); |
| }, 'index before first'); |
| |
| test(function (t) { |
| var groupingRule = create(t); |
| var first = groupingRule.cssRules[0].cssText; |
| var result; |
| |
| result = groupingRule.insertRule('.foo {}', 1); |
| |
| assert_equals(groupingRule.cssRules.length, 2); |
| assert_equals(groupingRule.cssRules[0].cssText, first); |
| assert_not_equals(groupingRule.cssRules[1].cssText, first); |
| assert_equals(result, 1); |
| }, 'index after final'); |
| |
| test(function (t) { |
| var groupingRule = create(t); |
| var first = groupingRule.cssRules[0].cssText; |
| var result; |
| |
| result = groupingRule.insertRule('.foo {}'); |
| |
| assert_equals(groupingRule.cssRules.length, 2); |
| assert_not_equals(groupingRule.cssRules[0].cssText, first); |
| assert_equals(groupingRule.cssRules[1].cssText, first); |
| assert_equals(result, 0); |
| }, 'index not specified'); |
| |
| test(function (t) { |
| var groupingRule = create(t); |
| var first = groupingRule.cssRules[0].cssText; |
| |
| assert_throws_dom('IndexSizeError', function() { |
| // The syntax error is intentional; it verifies that the insertion |
| // index is validated prior to the CSS text. |
| groupingRule.insertRule('???', 2); |
| }); |
| |
| assert_equals(groupingRule.cssRules.length, 1); |
| assert_equals(groupingRule.cssRules[0].cssText, first); |
| }, 'index exceeds length'); |
| |
| test(function (t) { |
| var groupingRule = create(t); |
| var first = groupingRule.cssRules[0].cssText; |
| |
| assert_throws_dom('SyntaxError', function() { |
| groupingRule.insertRule('???', 0); |
| }); |
| |
| assert_equals(groupingRule.cssRules.length, 1); |
| assert_equals(groupingRule.cssRules[0].cssText, first); |
| }, 'CSS parsing error'); |
| |
| test(function (t) { |
| var groupingRule = create(t); |
| var first = groupingRule.cssRules[0].cssText; |
| |
| assert_throws_dom('HierarchyRequestError', function() { |
| groupingRule.insertRule('@import url("foo.css");', 0); |
| }); |
| |
| assert_equals(groupingRule.cssRules.length, 1); |
| assert_equals(groupingRule.cssRules[0].cssText, first); |
| }, 'constraint violation'); |
| |
| test(function (t) { |
| var groupingRule = create(t); |
| var first = groupingRule.cssRules[0].cssText; |
| |
| assert_throws_dom('HierarchyRequestError', function() { |
| groupingRule.insertRule('@namespace url(http://www.w3.org/1999/xhtml);', 0); |
| }); |
| |
| assert_equals(groupingRule.cssRules.length, 1); |
| assert_equals(groupingRule.cssRules[0].cssText, first); |
| }, 'disallowed namespace rule'); |
| </script> |
| </head> |
| </html> |
