| <!DOCTYPE html> |
| <html> |
| <body> |
| <script src="../../resources/js-test-pre.js"></script> |
| <script> |
| description("Tests that the parameters to CSSStyleSheet.insertRule() / deleteRule() are mandatory."); |
| |
| var styleElement = document.createElement("style"); |
| document.head.appendChild(styleElement); |
| var stylesheet = styleElement.sheet; |
| shouldBe("stylesheet.__proto__", "CSSStyleSheet.prototype"); |
| shouldThrow("stylesheet.deleteRule()", "'TypeError: Not enough arguments'"); |
| shouldThrow("stylesheet.insertRule()", "'TypeError: Not enough arguments'"); |
| shouldBe("stylesheet.rules.length", "0"); |
| shouldNotThrow("stylesheet.insertRule('body { margin: 0; }')"); |
| shouldBe("stylesheet.rules.length", "1"); |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
