System.BadImageFormatException

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[I sent an earlier copy of this from my work address; here is my NUnit list
address...]


I am brand new to NUnit, and in fact **all** TDD frameworks, so per usual,
my first attempt to get the project working correctly has failed.



I created a solution/project in Visual Studios, Widget.dll, and equipped it
with all the right using directives (NUnit.Framework), references and
attributes ([TestFixture], etc.). The project compiles successfully.
However, when I try to open the project inside of the GUI Runner app, I get
the following error:



*System.BadImageFormatException : Version 2.0 is not a compatible version.*

*You may be attempting to load an assembly built with a later version of the
CLR than the version under which NUnit is currently running, 1.1.4322.*



I am using NUnit 2.4.8, so I'm not sure where 1.1.4322 is coming from.



Also, I was wondering why all Assert methods (AreEqual, IsNull, etc.) all
return void? Had they returned a Boolean, one could check if the Assertion
failed in the code and throw an exception. This makes me wonder: would doing
so violate some underlying "philosophy" of TDD that I don't understand??



Thanks for any help here!

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<p class="MsoNormal">[I sent an earlier copy of this from my work address; here is my NUnit list address...]<br></p><p class="MsoNormal"><br></p><p class="MsoNormal">I am brand new to NUnit, and in fact *<b>all</b>* TDD frameworks,
so per usual, my first attempt to get the project working correctly has failed.</p>

<p class="MsoNormal">&nbsp;</p>

<p class="MsoNormal">I created a solution/project in Visual Studios, Widget.dll,
and equipped it with all the right using directives (NUnit.Framework),
references and attributes ([TestFixture], etc.). The project compiles
successfully. However, when I try to open the project inside of the GUI Runner
app, I get the following error:</p>

<p class="MsoNormal">&nbsp;</p>

<p class="MsoNormal"><b>System.BadImageFormatException : Version 2.0 is not a
compatible version.</b></p>

<p class="MsoNormal"><b>You may be attempting to load an assembly built with a
later version of the CLR than the version under which NUnit is currently
running, 1.1.4322.</b></p>

<p class="MsoNormal">&nbsp;</p>

<p class="MsoNormal">I am using NUnit 2.4.8, so I'm not sure where 1.1.4322 is
coming from.</p>

<p class="MsoNormal">&nbsp;</p>

<p class="MsoNormal">Also, I was wondering why all Assert methods (AreEqual,
IsNull, etc.) all return void? Had they returned a Boolean, one could check if
the Assertion failed in the code and throw an exception. This makes me wonder:
would doing so violate some underlying "philosophy" of TDD that I don't
understand??</p>

<p class="MsoNormal">&nbsp;</p>

<p class="MsoNormal">Thanks for any help here!</p>


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