| CONSOLE MESSAGE: line 7: Unsafe JavaScript attempt to initiate navigation for frame with URL 'http://localhost:8800/html/semantics/embedded-content/the-iframe-element/support/load-into-the-iframe.html' from frame with URL 'http://localhost:8800/html/semantics/embedded-content/the-iframe-element/support/iframe-that-performs-top-navigation-on-popup.html'. The frame attempting navigation of the top-level window is sandboxed, but the 'allow-top-navigation' flag is not set. |
| PASS Frames without `allow-top-navigation` should not be able to navigate the top frame. |
