Re: [Boost-users] Unit Test Framework add

From: Chris Miceli (cmicel1_at_[hidden])
Date: 2007-09-11 13:21:37

Gennadiy Rozental wrote:
> "Chris Miceli" <cmicel1_at_[hidden]> wrote in message 
> news:46E6AE74.6010101_at_cct.lsu.edu...
>   
>> I have had nothing but troubles with boost test 1.34.1 after switched
>> from 1.33.  First I had trouble with the main from shared object issue,
>> and now my code that worked before is not executing a test added to the
>> framework.
>>
>> #include <iostream>
>> #define BOOST_TEST_DYN_LINK
>> #define BOOST_TEST_MAIN
>> #define BOOST_TEST_MODULE File Test
>> #include <boost/bind.hpp>
>> #include <boost/test/unit_test.hpp>
>>
>> template <typename Functor>
>> struct my_test
>> {
>>    void execute(int value)
>>    {
>>        //Never prints this message
>>        //Doesn't have to be a print, nothing gets here
>>        std::cerr << "Hi all" << std::endl << std::flush;
>>    }
>> };
>>
>>
>> BOOST_AUTO_TEST_CASE( test123 )
>> {
>>     boost::shared_ptr<my_test<int> > tester(new my_test<int>);
>>
>> boost::unit_test::framework::master_test_suite().add(BOOST_TEST_CASE(boost::bind(&my_test<int>::execute,
>> tester, 5)));
>> }
>>     
>
> This is incorrect way to register test units.
>
>   
>> this worked when it was not using boost::bind but just the address of a
>> normal function. This is just an simple version that illustrated the
>> problem.  I am compiling as such
>> g++ test.cpp -o test -L/usr/local/lib -lboost_unit_test_framework-gcc41-mt
>>     
>
> I am not sure how it worked before, but the correct way to implement this is 
> to use init function
>
> #include <iostream>
> #define BOOST_TEST_DYN_LINK
> #include <boost/bind.hpp>
> #include <boost/test/unit_test.hpp>
>
> template <typename Functor>
> struct my_test
> {
>    void execute(int value)
>    {
>        //Never prints this message
>        //Doesn't have to be a print, nothing gets here
>        std::cerr << "Hi all" << std::endl << std::flush;
>    }
> };
>
>
> bool init_function()
> {
>   boost::shared_ptr<my_test<int> > tester(new my_test<int>);
>
>   boost::unit_test::framework::master_test_suite().add(
>    BOOST_TEST_CASE(boost::bind(&my_test<int>::execute, tester, 5)));
>
>   return true;
> }
>
> int
> main( int argc, char* argv[] )
> {
>     return ::boost::unit_test::unit_test_main( &init_function, argc, argv );
> }
>
> Gennadiy
>
> P.S. Alternatively, if you are not that interrested in either template or 
> runtime parameter, you can use one of the other automated tools. For 
> example:
>
> #include <iostream>
> #define BOOST_TEST_DYN_LINK
> #define BOOST_TEST_MODULE Your test
> #include <boost/test/unit_test.hpp>
>
> typedef boost::mpl::list<int,long,unsigned char> test_types;
>
> BOOST_AUTO_TEST_CASE_TEMPLATE( test_case1, T, test_types )
> {
>   //Never prints this message
>   //Doesn't have to be a print, nothing gets here
>   std::cerr << "Hi all" << std::endl << std::flush;
> }
>
>
>
>
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>
>   
Thanks, worked like a charm. I do believe though that there should be 
better documentation for this great library.
Chris Miceli