I\'ve recently been building a test framework for a bit of C# I\'ve been working on. I have NUnit set up and a new project within my workspace to test the component. All wor
For me solution was to adapt nunit configuration file. To use nunit with 4.5-.Net framework and x64 build option, I had to add one line to startup tag (supported runtime-version).
Afterwards, I could start by right-click on the Testproject Debug -> Start new instance. Before, I needed to again manually attach the project to the process.
My Debug properties were, C:\Program Files (x86)\NUnit 2.6.4\bin\nunit.exe with argument of the location of the .dll to be tested.
More information: nunit for testing with .NET 4.0