[CMake] ctest ques.: capture driver errs

[David Cole]

The output that goes to the console during a ctest driven execution of 
your test will show up amidst the ctest output if you use "-V" when 
invoking ctest.

And even if you don't use -V, ctest puts the console output from tests 
like this into "${CMAKE_BINARY_DIR}/Testing/Temporary/LastTest*.log" 
where you can find it later if you need to.


HTH,
David


Dean Inglis wrote:

>I have a build similar to VTK/Examples/Build/vtkMy
>and I have added ctest funtionality to test my custom
>VTK classes.  In a test driver that evaluates numeric
>expressions, e.g.  a stupid ex.:
>
>in myTest(int,char*[])
>{
>  int a =1;
>  int b = 2;
>  int retVal = 0;
>  if((a + b) != 500)
>    {
>    vtkGenericWarningMacro(<<"err: a + b != 500, a = " << a<<", b = " << b);
>    retVal = 1;
>    }
>  return retVal;
>}
>
>I want to retrieve some form of diagnostic message either at console
>or to a log file.  Is there a way to do this with cmake/ctest or do
>I have to explicitly write out my error diagnostics to a file?
>Replacing vtkGenericWarningMacro( with cout does not pipe output
>to the console: ctest prevents this.
>
>Dean
>
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