| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| head, script { | |
| all: inherit; | |
| } | |
| </style> | |
| <script> | |
| if (window.testRunner) | |
| testRunner.dumpAsText(); | |
| onload = () => { | |
| document.body.attachShadow({mode: 'open'}); | |
| document.execCommand('SelectAll'); | |
| document.execCommand('Copy'); | |
| document.write('This test passes if WebKit does not crash. PASS'); | |
| }; | |
| </script> | |
| </head> | |
| <body> | |
| </body> | |
| </html> |