465531 - Switching tabs quickly causes one of the tabs to be opened in a new window

Status: RESOLVED DUPLICATE of bug 465346

(Firefox :: Tabbed Browser, defect)

Description

[Mark Cuny]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1b2pre) Gecko/20081118 Minefield/3.1b2pre
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1b2pre) Gecko/20081118 Minefield/3.1b2pre

When quickly switching between tabs on Firefox (by clicking on each tab header with the left mouse button), one of the tabs will be opened in a new window and be deleted from the original window.

Reproducible: Always

Steps to Reproduce:
1. Open two tabs with any url, or no url- just a blank, (Untitled) page
2. Quickly switch between the tabs (back and forth a few times) using the mouse to left click on the tab title.
3. One of the tabs will open in a new browser window and be deleted from the original browser window.

Another way to reproduce the problem is to open multiple tabs (more than 2), and quickly move from one tab to another (using the mouse to left click on the tab title). This will cause one of the tabs to open in a new window and be deleted from the original window.
Actual Results:  
One of the tabs will be opened into a new window and will be deleted from the original window.

Expected Results:  
The tabs should have switched back and forth with nothing opening up in a new window.

Comment 1

[Ria Klaassen (not reading all bugmail)]

This could be basically Bug 465346, Mark.

Comment 2

[Sylvain Pasche]

I guess bug 465184 should help here.  If you do not drag the tab far enough it will be dropped on itself and should not open a window.

Comment 3

[Mark Cuny]

After doing some testing, I think you are both right. It does appear that I was actually not just clicking, but dragging. So, this would be a duplicate of Bug 465346. Thank you. :)