1178676 - Selection.selectAllChildren() throws NS_ERROR_FAILURE exception if called in mousedown handler and current selection is in a contenteditable

Status: UNCONFIRMED

(Core :: DOM: Selection, defect)

Description

[Duan Yao]

Attachment: selectAllChildren_moz_exception.html

User Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:38.0) Gecko/20100101 Firefox/38.0
Build ID: 20150511103818

Steps to reproduce:

1. Call Selection.selectAllChildren() in a mousedown event handler.
2. Select some text in a contenteditable element.
3. Trigger a mousedown event by mouse.

You can use the attachment to reproduce.


Actual results:

NS_ERROR_FAILURE exception is thrown from Selection.selectAllChildren() 


Expected results:

No exception should be thrown, selectAllChildren() should work as normal.

Comment 1

[Mike Frysinger]

Chrome is able to handle this fine.  I came across this as hterm runs into the same problem.