c# 4.0 - Workflow Foundation - Literal only supports value types and the immutable type System.String -


i have following unit test wf code activity called mycodeactivity:

[expectedexception(typeof(argumentexception))] [testmethod] public void shouldrequireparam() {     //arrange     var invoker = new workflowinvoker(new mycodeactivity()     {         myint = 2,         mycomplexobject = _complexobject     });      //act     invoker.invoke();      //assert     assert.fail("expected argumentexception"); }

when run test following exception

'literal< mycomplexobject>': literal supports value types , immutable type system.string. type mycomplexobject cannot used literal.

to fix immediate problem:

mycomplexobject = _complexobject

to

mycomplexobject = new inargument<mycomplexobject>((ctx) => _complexobject)

further reading : http://msdn.microsoft.com/en-us/library/ee358749.aspx .

note: should use microsoft.activities.unittesting package available on nuget. makes ioc alot easier (seeing wf works service locator pattern , not dependency injection)


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