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Test Results 4 failed tests JUnit

Tom Mordon
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Joined: Apr 26, 2012
Posts: 30
I have been stuck on these test failures and have narrowed it down to the Order.calHandlingCharge() method. When I run and compile the program it works but I have these last 4 of 21 tests that fail in JUnit. Any thoughts? The error given is "caused an ERROR: java.lang.NullPointerException"



Any thoughts on what I can do to get it to pass the tests? I think that its not creating and instance of something that it needs for testing?

Pasted below: OrderTest.java, Order.java, ProcessOrder.java, OrderDriver.java


Jeanne Boyarsky
author & internet detective
Marshal

Joined: May 26, 2003
Posts: 31079
    
163

Yes. hChargeQuantity is null. I found this out by running the code and looking at the stack trace of the failure. Try tracking the code that calls setHChargeQuantity() to see why this is the case.


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Junilu Lacar
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Joined: Feb 26, 2001
Posts: 5288
    
  10

Where in your code do the fields defined on lines 289 and 290 get assigned valid references to arrays? By default, these will be set to null when an object is instantiated.


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Tom Mordon
Ranch Hand

Joined: Apr 26, 2012
Posts: 30
Good point they do not get created/instantiated or assigned a value by anything. I thought this was ok because I'm only comparing them to another null value, but maybe they are not a null value. I will assign them a value and compare to that value.

 
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subject: Test Results 4 failed tests JUnit