Testing using WPF UI automation
One question that often pops up among WPF app developers is UI testing... WPF enables this scenario through a new accessibility framework. Some useful resources from mdeavey's post
Stress Test using UI Automation (new link : here)
Unit Testing WPF controls with Automation Peers
Instantiating a WPF control from an NUnit test
Adding UI Automation support to a custom control
.NET UI Automation Extension for Automation Testing