Re: [boost] Boost.Test: automatic test cases inside a static library

From: Gennadiy Rozental (gennadiy.rozental_at_[hidden])
Date: 2006-07-10 02:25:40

"Joe Van Dyk" <joevandyk_at_[hidden]> wrote in message 
news:c715e640607091915m2142172bo6d437e4c04d7ff5b_at_mail.gmail.com...
> On 7/9/06, Marc Mutz <marc_at_[hidden]> wrote:
>> On Friday 07 July 2006 04:40, Joe Van Dyk wrote:
>> > I'm trying to get something like the following to work:
>> >
>> > test_case1.cpp and test_cast2.cpp are compiled into a static library
>> > (libtest.a).  They use BOOST_AUTO_TEST_CASE for test cases.
>> >
>> > test_main.cpp contains:
>> > #define BOOST_AUTO_TEST_MAIN
>> > #include <boost/test/auto_unit_test.hpp>
>> >
>> > However, when I compile test_main.cpp and link libtest.a into it, none
>> > of the test cases run.
>> >
>> > The test cases do run if test_main.cpp #includes test_case1.cpp and
>> > test_case2.cpp, but I'd rather not do that if it's not necessary.
>> >
>> > Any ideas?
>> <snip>
>>
>> I'm guessing here :)
>> Registration of tests with the runner is done using file-static instances 
>> of
>> some generic factory or other registration mechanism. If none of the 
>> symbols
>> of given object file is referenced outside itself, the linker does not
>> include the code from the object file in the final executable. Use 
>> dynamic
>> libs, or link the object files instead of the archives.

This could be the reason. But to employ the dynamic build you will need 
current CVS version. 1.33.1 won't work.

> Hm, I'll try that.  I don't think that fits as nicely into our build
> system, but I'll have to check on Monday.
>
> Can anyone else chime in on this?

Maybe you could use some compiler options to avoid unused static files 
discard?

Gennadiy