| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../resources/js-test.js"></script> |
| <script> |
| window.jsTestIsAsync = true; |
| |
| function runTest() { |
| var bounds = textarea_element.getBoundingClientRect(); |
| var range = document.caretRangeFromPoint(bounds.left + bounds.width / 2, bounds.top + bounds.height / 2); |
| var shadow_tree_container = range.commonAncestorContainer; |
| shadow_tree_container.prepend("foo"); |
| textarea_element.disabled = true; |
| testPassed("Passes if we did not debug assert."); |
| finishJSTest(); |
| } |
| </script> |
| </head> |
| <body onload="runTest()"> |
| <textarea id="textarea_element" style="position:absolute; height: 100px; width: 100px;">Text Area</textarea> |
| </body> |
| </html> |
