| <script src="../../../resources/js-test-pre.js"></script> |
| <script src="../../../../Source/WebCore/Modules/modern-media-controls/controls/scheduler.js" type="text/javascript"></script> |
| <script src="../../../../Source/WebCore/Modules/modern-media-controls/controls/layout-node.js" type="text/javascript"></script> |
| <script type="text/javascript"> |
| |
| description("Testing the <code>LayoutNode.parentOfType</code> method."); |
| |
| class CustomNode extends LayoutNode {} |
| class OtherCustomNode extends LayoutNode {} |
| |
| const rootNode = new CustomNode; |
| const childNode = rootNode.addChild(new LayoutNode).addChild(new LayoutNode); |
| |
| shouldBe("childNode.parentOfType(CustomNode)", "rootNode"); |
| shouldBeNull("childNode.parentOfType(OtherCustomNode)"); |
| debug(""); |
| |
| </script> |
| <script src="../../../resources/js-test-post.js"></script> |