| <!DOCTYPE html> |
| <html> |
| |
| <script> |
| var runcount = {'runTest':0} |
| |
| function runTest() { |
| if (window.testRunner) |
| { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| runcount["runTest"]++; if(runcount["runTest"] > 2) { return; } |
| element = document.createElement("command"); //HTMLUnknownElement |
| x.addEventListener("DOMSubtreeModified", runTest); |
| z.childNodes; |
| x.before(progress); |
| progress.appendChild(element) |
| window.requestAnimationFrame(runTest1); |
| iframe = document.createElement("iframe"); |
| y.appendChild(iframe); |
| } |
| |
| function runTest1() { |
| win = window; |
| win0 = win[0]; |
| win0.focus(); |
| y.slot = "y"; |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| } |
| </script> |
| |
| <body> |
| <p>The test passes if there is no crash.</p> |
| <details id="x" open="true"> |
| <summary id="y"></summary> |
| <details id="z" open="true" ontoggle="runTest()">a</details> |
| </details> |
| <audio cite=""> |
| <source slot="slot2"> |
| <progress id="progress" ></progress> |
| |
| </body> |
| </html> |
