| <!doctype html> |
| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| <style id="style-container"> |
| </style> |
| </head> |
| <body> |
| </body> |
| <script> |
| description('Test the parsing of :nth-last-child(of) for querySelector and style.'); |
| |
| function testInvalidSelector(selectorString) { |
| shouldThrowErrorName('document.querySelector(":nth-last-child(' + selectorString + ')")', 'SyntaxError'); |
| |
| var styleContainer = document.getElementById('style-container'); |
| styleContainer.innerHTML = ':nth-last-child(' + selectorString + ') { }'; |
| shouldBe("document.getElementById('style-container').sheet.cssRules.length", "0"); |
| styleContainer.innerHTML = ''; |
| } |
| |
| // There are multiple ways of parsing :nth-last-child() based on the An+B part, we should test everything. |
| var validNthAnPlusB = [ |
| "even", |
| "odd", |
| "n", |
| "-n", |
| "3", |
| "-3", |
| "n+0", |
| "n-0", |
| "0n", |
| "3n+5", |
| "-3n+5", |
| "3n-5", |
| "-3n-5", |
| ]; |
| |
| debug("Test invalid selectors:"); |
| // Missing space characters. |
| for (var i = 0; i < validNthAnPlusB.length; ++i) { |
| testInvalidSelector(validNthAnPlusB[i] + " of"); |
| testInvalidSelector(validNthAnPlusB[i] + " of "); |
| testInvalidSelector(validNthAnPlusB[i] + " of.class"); |
| testInvalidSelector(validNthAnPlusB[i] + "of .class"); |
| } |
| |
| // Use valid identifier but not "of" as a separator. |
| for (var i = 0; i < validNthAnPlusB.length; ++i) { |
| testInvalidSelector(validNthAnPlusB[i] + " empty .class"); |
| testInvalidSelector(validNthAnPlusB[i] + " from .class"); |
| testInvalidSelector(validNthAnPlusB[i] + " to .class"); |
| testInvalidSelector(validNthAnPlusB[i] + " webkit .class"); |
| } |
| |
| // Matching pseudo elements do not make any sense. |
| for (var i = 0; i < validNthAnPlusB.length; ++i) { |
| testInvalidSelector(validNthAnPlusB[i] + " of ::first-letter"); |
| testInvalidSelector(validNthAnPlusB[i] + " of ::before"); |
| testInvalidSelector(validNthAnPlusB[i] + " of ::after"); |
| testInvalidSelector(validNthAnPlusB[i] + " of ::-webkit-custom"); |
| |
| testInvalidSelector(validNthAnPlusB[i] + " of .foo, ::before"); |
| testInvalidSelector(validNthAnPlusB[i] + " of ::before, .foo"); |
| testInvalidSelector(validNthAnPlusB[i] + " of -webkit-any(::before, .foo)"); |
| testInvalidSelector(validNthAnPlusB[i] + " of :nth-last-child(2n+1 of ::before)"); |
| testInvalidSelector(validNthAnPlusB[i] + " of :not(::before)"); |
| } |
| |
| // Invalid identifiers, syntax, etc. |
| for (var i = 0; i < validNthAnPlusB.length; ++i) { |
| testInvalidSelector(validNthAnPlusB[i] + " of .123class"); |
| testInvalidSelector(validNthAnPlusB[i] + " of #123id"); |
| testInvalidSelector(validNthAnPlusB[i] + " of []"); |
| testInvalidSelector(validNthAnPlusB[i] + " of ()"); |
| testInvalidSelector(validNthAnPlusB[i] + " of )"); |
| testInvalidSelector(validNthAnPlusB[i] + " of {}"); |
| testInvalidSelector(validNthAnPlusB[i] + " of }"); |
| } |
| |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </html> |
