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POTest methods in the same class as main with JUnit
 

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    <p>OK, so before we start let me state that I have been googling and searching for an answer to my question for quite a while now and haven't been able to find a suitable one (the keywords are tricky since I keep getting unrelated posts and sites as results).</p> <p>Now, moving on I have a Java class that contains a my main method and a number of other functions. I want to test these functions using JUnit but I can't instantiate a class that has main in it, if I simply try to call the function I get an error saying the function is outside the namespace even though both files are in the same package, and I get an error trying to import the file.</p> <p>Is there anyway to test these functions using JUnit?</p> <p>P.S. Yes I know that you can put them in a new class, but I don't think it is overkill to create a new class just for testing or to put in 2 functions that are for parsing user input, and there is still the issue of testing the main function itself (and it is not uncommon to write a main method just for testing).</p> <hr> <p>So this is what happened. Since I don't use Java very often I ended up creating private data members in the class but treated them as I would globals in a C++ program. In consequence I initialized them in main and didn't think of making a constructor and hence the problem with instantiating the class. When that didn't work I tried the . form but since the methods referenced the private data members I would get an error without instantiating the class. Thanks to the guys that noticed the constructor thing.</p>
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    1. COWhy can't you instantiate a class that has a main method in it?
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      1. USSteven Mastandrea
    2. COI want to test these functions using JUnit but I can't instantiate a class that has main in it -- huh?
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    3. COpost the code here
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