| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| @supports (border: black) and (padding: 0) and (width: 0) { |
| dfn { width:0; } |
| } |
| </style> |
| </head> |
| <body> |
| <script src="../../resources/js-test-pre.js"></script> |
| <script> |
| description("Tests that the parameters to CSSSupportsRule.insertRule() / deleteRule() are mandatory."); |
| |
| var supportsRule = document.styleSheets[0].cssRules[0]; |
| shouldBe("supportsRule.__proto__", "CSSSupportsRule.prototype"); |
| |
| shouldThrow("supportsRule.insertRule()", "'TypeError: Not enough arguments'"); |
| shouldBe("supportsRule.cssRules.length", "1"); |
| shouldNotThrow("supportsRule.insertRule('body { width: 0; }')"); |
| shouldBe("supportsRule.cssRules.length", "2"); |
| shouldThrow("supportsRule.deleteRule()", "'TypeError: Not enough arguments'"); |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
