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POMoq Error: Cannot cast 'AnObject' to 'System.Delegate'
 

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    <p>I have been trying to get past this problem for a couple of days now to no avail. I am trying to test the functionality of AnObject.AnAction (preemptive apologies, I have to obfuscate class/method names.) My goal is to keep MyTestObj.do_work(AnObject) from actually doing anything when it is called. It has code that I do want to be called in a unit test environment.</p> <p>Here is my Unit test code:</p> <pre><code>Mock&lt; MyTestObj &gt; myTestObj_mock = new Mock&lt; MyTestObj &gt; (); myTestObj_mock.Setup( e =&gt; e.do_work( It.IsAny&lt; AnObject &gt; () ) ); ... AnObject tester = new AnObject(); tester.anAction( myTestObj_mock.Object ); </code></pre> <p>within the method AnObject.AnAction( MyTestObj mto ):</p> <pre><code>... mto.do_work( this ); ... </code></pre> <p>It is at this point when ran that I get this error:</p> <pre><code>System.InvalidCastException : Unable to cast object of type 'myNamespace.AnObject' to type 'System.Delegate'. </code></pre> <p>MyTestObj.do_work is a virtual method.</p> <p>I have absolutely no idea why this error is coming up. I've stepped through the code as NUnit ran it and I am certain that is the point in which it crashes. It will not go any further into the code.</p> <p>I'm really stumped. Does anybody have any idea what is going on?</p> <p>Thanks in advance!</p> <hr> <p><em><strong></em>***</strong><em>Updates</em><strong><em>*</em>**</strong></p> <p>I tried to create an instance of AnObject within AnObject.AnAction and pass it instead of 'this':</p> <pre><code>... AnObject test = new AnObject(); mto.do_work( test ); ... </code></pre> <p>This did not have any effect.</p>
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    1. COWhat is the parameter in do_work(param?)?
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    2. COAn instance of AnObject.
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    3. COOut of curiosity, have you tried to pass in something other than this (new up an AnObject) and ran the test?
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