Re: [Boost-users] [boost-users][test] Does memory leak detection work in linux?

Subject: Re: [Boost-users] [boost-users][test] Does memory leak detection work in linux?
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2010-03-04 10:53:51

Andrey Torba wrote:
> How can i check basic exception safety without detecting memory leaks?
> Windows version says that the code below isn't exception safe, but linux
> version says nothing.
>
> #define BOOST_TEST_MAIN
> #include <boost/test/unit_test.hpp>
> #include <boost/test/exception_safety.hpp>
> #include <boost/test/mock_object.hpp>
> using namespace boost::itest;
>
> // Boost
> #include <boost/shared_ptr.hpp>
>
> template<class T1, class T2>
> void algo(boost::shared_ptr<T1> x,
>           boost::shared_ptr<T2> y)
> {
> }
>
> typedef mock_object<> Mock;
> typedef boost::shared_ptr<Mock> SharedMock;
>
> BOOST_TEST_EXCEPTION_SAFETY( TestCase1 )
> {
>   algo(SharedMock( new Mock() ),  // memory leak in case of second Mock
> throws exception
>        SharedMock( new Mock() ));
> }
>   

This may or may not work depending on the order that
the compiler does things.  Most likely, on windows, the
compiler is creating the two new Mocks and then passing
them to the shared_ptr constructors.  On Linux, it's probably
passing each new Mock to shared_ptr as soon as it's constructed.

In Christ,
Steven Watanabe