I am migrating to .net9 and I got this exception when running my test assemblies built with .net9. I am using version nunit3-console 3.19.2 (net8.0)
Unhandled exception. System.MissingMethodException: Method not found: 'System.TimeSpan System.TimeSpan.FromMilliseconds(Int64, Int64)'.
at System.Windows.Threading.Dispatcher.Invoke(DispatcherPriority priority, Delegate method, Object arg)
at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
For other ppl struggling with that - I was able to workaround the error by editing nunit3-console.runtimeconfig.json and manually setting tfm and version to net9.0 and 9.0.0
{
"runtimeOptions": {
"tfm": "net9.0",
"rollForward": "Major",
"framework": {
"name": "Microsoft.NETCore.App",
"version": "9.0.0"
},
"configProperties": {
"System.Reflection.Metadata.MetadataUpdater.IsSupported": false,
"System.Runtime.Serialization.EnableUnsafeBinaryFormatterSerialization": false
}
}
}
This make nunit3-console.exe to use .net9 to run the tests. I believe this happens because there were new overloads of TimeSpan added in .net9 and when the code make use of them, this happens.
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