| <!DOCTYPE html> |
| <body> |
| <script src="../../../resources/js-test.js"></script> |
| <script> |
| |
| description('This tests that Element implements the ParentNode interface.'); |
| |
| var element = document.createElementNS('foo', 'element'); |
| |
| shouldBe('element.children.length', '0'); |
| shouldBe('element.childElementCount', '0'); |
| shouldBeNull('element.firstElementChild'); |
| shouldBeNull('element.lastElementChild'); |
| |
| element.appendChild(new Text('a')); |
| shouldBe('element.children.length', '0'); |
| shouldBe('element.childElementCount', '0'); |
| shouldBeNull('element.firstElementChild'); |
| shouldBeNull('element.lastElementChild'); |
| |
| var b = element.appendChild(document.createElement('b')); |
| shouldBe('element.children.length', '1'); |
| shouldBe('element.childElementCount', '1'); |
| shouldBe('element.children[0]', 'b'); |
| shouldBe('element.firstElementChild', 'b'); |
| shouldBe('element.lastElementChild', 'b'); |
| |
| element.appendChild(new Text('c')); |
| shouldBe('element.children.length', '1'); |
| shouldBe('element.childElementCount', '1'); |
| shouldBe('element.children[0]', 'b'); |
| shouldBe('element.firstElementChild', 'b'); |
| shouldBe('element.lastElementChild', 'b'); |
| |
| var d = element.appendChild(document.createElement('d')); |
| shouldBe('element.children.length', '2'); |
| shouldBe('element.childElementCount', '2'); |
| shouldBe('element.children[0]', 'b'); |
| shouldBe('element.children[1]', 'd'); |
| shouldBe('element.firstElementChild', 'b'); |
| shouldBe('element.lastElementChild', 'd'); |
| |
| element.appendChild(new Text('e')); |
| shouldBe('element.children.length', '2'); |
| shouldBe('element.childElementCount', '2'); |
| shouldBe('element.children[0]', 'b'); |
| shouldBe('element.children[1]', 'd'); |
| shouldBe('element.firstElementChild', 'b'); |
| shouldBe('element.lastElementChild', 'd'); |
| |
| </script> |
