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** Branch linked: lp:nunitv2

-- 
Loading test in separate process causes exception under Mono+Linux
https://bugs.launchpad.net/bugs/669317
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Status in NUnit V2 Test Framework: Fix Committed

Bug description:
When loading a test in a separate process under Linux, the following exception is thrown...

** (/home/charlie/Dev/NUnit/nunit-2.5/work/src/bin/Debug/nunit-agent.exe:12221): WARNING **: The following assembly referenced from /home/charlie/Dev/NUnit/nunit-2.5/work/src/bin/Debug/nunit-agent.exe could not be loaded:
     Assembly:   nunit.core    (assemblyref_index=1)
     Version:    2.5.9.0
     Public Key: 96d09a1eb7f44a77
The assembly was not found in the Global Assembly Cache, a path listed in the MONO_PATH environment variable, or in the location of the executing assembly (/home/charlie/Dev/NUnit/nunit-2.5/work/src/bin/Debug/).


** (/home/charlie/Dev/NUnit/nunit-2.5/work/src/bin/Debug/nunit-agent.exe:12221): WARNING **: Could not load file or assembly 'nunit.core, Version=2.5.9.0, Culture=neutral, PublicKeyToken=96d09a1eb7f44a77' or one of its dependencies.

Unhandled Exception: System.TypeLoadException: Could not load type 'NUnit.Agent.NUnitTestAgent' from assembly 'nunit-agent, Version=2.5.9.0, Culture=neutral, PublicKeyToken=null'.
Exception:
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.NullReferenceException: Object reference not set to an instance of an object
  at NUnit.Util.CategoryManager.AddCategories (ITest test) [0x00000] in /home/charlie/Dev/NUnit/nunit-2.5/work/src/ClientUtilities/util/CategoryManager.cs:32 
  at NUnit.Util.CategoryManager.AddAllCategories (ITest test) [0x00000] in /home/charlie/Dev/NUnit/nunit-2.5/work/src/ClientUtilities/util/CategoryManager.cs:38 
  at NUnit.Util.TestLoader.GetCategories () [0x00006] in /home/charlie/Dev/NUnit/nunit-2.5/work/src/ClientUtilities/util/TestLoader.cs:670 
  at (wrapper remoting-invoke-with-check) NUnit.Util.TestLoader:GetCategories ()
  at NUnit.UiKit.TestTree.events_TestReloaded (System.Object sender, NUnit.Util.TestEventArgs args) [0x00000] in /home/charlie/Dev/NUnit/nunit-2.5/work/src/GuiComponents/UiKit/TestTree.cs:698 
  at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (object,object[],System.Exception&)
  at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 
  --- End of inner exception stack trace ---
  at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 
  at System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) [0x00000] in <filename unknown>:0 
  at NUnit.UiKit.GuiTestEventDispatcher.InvokeHandler (System.MulticastDelegate handlerList, System.EventArgs e) [0x00054] in /home/charlie/Dev/NUnit/nunit-2.5/work/src/GuiComponents/UiKit/GuiTestEventDispatcher.cs:45 
System.NullReferenceException: Object reference not set to an instance of an object
  at NUnit.Core.ProxyTestRunner.BeginRun (EventListener listener, ITestFilter filter) [0x00007] in /home/charlie/Dev/NUnit/nunit-2.5/work/src/NUnitCore/core/ProxyTestRunner.cs:147 
  at NUnit.Util.TestLoader.RunTests (ITestFilter filter) [0x00038] in /home/charlie/Dev/NUnit/nunit-2.5/work/src/ClientUtilities/util/TestLoader.cs:652 
  at NUnit.UiKit.TestSuiteTreeView.RunTests (NUnit.Core.ITest[] tests, Boolean ignoreCategories) [0x00024] in /home/charlie/Dev/NUnit/nunit-2.5/work/src/GuiComponents/UiKit/TestSuiteTreeView.cs:1007 
  at NUnit.UiKit.TestSuiteTreeView.RunSelectedTests () [0x00007] in /home/charlie/Dev/NUnit/nunit-2.5/work/src/GuiComponents/UiKit/TestSuiteTreeView.cs:991 
  at (wrapper remoting-invoke-with-check) NUnit.UiKit.TestSuiteTreeView:RunSelectedTests ()
  at NUnit.UiKit.TestTree.RunSelectedTests () [0x00000] in /home/charlie/Dev/NUnit/nunit-2.5/work/src/GuiComponents/UiKit/TestTree.cs:595 
  at (wrapper remoting-invoke-with-check) NUnit.UiKit.TestTree:RunSelectedTests ()
  at NUnit.Gui.NUnitForm.runButton_Click (System.Object sender, System.EventArgs e) [0x00000] in /home/charlie/Dev/NUnit/nunit-2.5/work/src/GuiRunner/nunit-gui/NUnitForm.cs:1579 
  at System.Windows.Forms.Control.OnClick (System.EventArgs e) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.Button.OnClick (System.EventArgs e) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.ButtonBase.OnMouseUp (System.Windows.Forms.MouseEventArgs mevent) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.Button.OnMouseUp (System.Windows.Forms.MouseEventArgs mevent) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.Control.WmLButtonUp (System.Windows.Forms.Message& m) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.Control.WndProc (System.Windows.Forms.Message& m) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.ButtonBase.WndProc (System.Windows.Forms.Message& m) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.Button.WndProc (System.Windows.Forms.Message& m) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.Control+ControlWindowTarget.OnMessage (System.Windows.Forms.Message& m) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.Control+ControlNativeWindow.WndProc (System.Windows.Forms.Message& m) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.NativeWindow.WndProc (IntPtr hWnd, Msg msg, IntPtr wParam, IntPtr lParam) [0x00000] in <filename unknown>:0 
Exception:
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.NullReferenceException: Object reference not set to an instance of an object
  at NUnit.Gui.NUnitForm.OnTestProjectUnloading (System.Object sender, NUnit.Util.TestEventArgs e) [0x00021] in /home/charlie/Dev/NUnit/nunit-2.5/work/src/GuiRunner/nunit-gui/NUnitForm.cs:1631 
  at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (object,object[],System.Exception&)
  at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 
  --- End of inner exception stack trace ---
  at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 
  at System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) [0x00000] in <filename unknown>:0 
  at NUnit.UiKit.GuiTestEventDispatcher.InvokeHandler (System.MulticastDelegate handlerList, System.EventArgs e) [0x00054] in /home/charlie/Dev/NUnit/nunit-2.5/work/src/GuiComponents/UiKit/GuiTestEventDispatcher.cs:45 

Under Windows, the test assembly loads normally.