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Debug output during automation tests

I am trying to debug the following unit test for a 2D TArray-based class (MatrixRmn).

Something is wrong with my maths in this particular method, however debugging using break points in Visual Studio is a lesson in frustration, due to how Watching values cannot use an operator, leading to a series of lines looking like: PreReduced.operator[](0).operator[](0)

I have tried logging values, however I cannot see anything in my logs when running the test in the editor! (Session Frontend -> Automation -> Start Tests).

 bool MatrixRmnSolve::RunTest(const FString& Parameters)
 {
     MatrixRmn PreReduced = MatrixRmn(4, 3);
     MatrixRmn ExpectedReduced = MatrixRmn(4, 3);
 
     PreReduced[0][0] = 1;
     PreReduced[0][1] = 2;
     PreReduced[0][2] = -2;
     PreReduced[1][0] = 2;
     PreReduced[1][1] = 3;
     PreReduced[1][2] = 0;
     PreReduced[2][0] = -1;
     PreReduced[2][1] = -1;
     PreReduced[2][2] = -3;
     PreReduced[3][0] = -4;
     PreReduced[3][1] = -11;
     PreReduced[3][2] = 22;
 
     ExpectedReduced[0][0] = 1;
     ExpectedReduced[0][1] = 0;
     ExpectedReduced[0][2] = 0;
     ExpectedReduced[1][0] = 0;
     ExpectedReduced[1][1] = 1;
     ExpectedReduced[1][2] = 0;
     ExpectedReduced[2][0] = 0;
     ExpectedReduced[2][1] = 0;
     ExpectedReduced[2][2] = 1;
     ExpectedReduced[3][0] = -8;
     ExpectedReduced[3][1] = 1;
     ExpectedReduced[3][2] = -2;
 
     MatrixRmn TestReduced = MatrixRmn(PreReduced);
     TestReduced.ConvertToRowEchelonForm();
 
     UE_LOG(LogTemp, Log, TEXT("TestReduced value is BLAH")); //, FString(TestReduced)
     //UE_LOG(LogTemp, Log, TEXT("ExpectedReduced value is %s"), FString(ExpectedReduced));
 
     TestEqual("ConvertToRowEchelonForm", TestReduced, ExpectedReduced);
 
     return true;
 }
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asked Apr 20 '15 at 01:48 AM in C++ Programming

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vikhik
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Figured out, looking at the wrong log...

I should have been looking at Session Frontend -> Console, not Window->Developer Tools->Output Log.

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answered Apr 20 '15 at 02:18 AM

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vikhik
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