[Boost-users] Re: BOOST_CHECK_EQUAL and operator<<

From: Ian McCulloch (ianmcc_at_[hidden])
Date: 2005-03-02 09:46:52

Vladimir Prus wrote:

> Patrick M?zard wrote:

[...]

> 
> I think defining operator<< in the same namespace as the class 'Test' is
> the only way. Otherwise, it won't be found by ADL and ADL is the only way
> to boost.test to find your operator<<.
> 
>> Note these workaround do not work or cannot be applied if the type is
>> declared by a typedef. In this case, I have to define again the
>> operator in namespace
>> boost.test_tools.tt_detail.
> 
> If the type is declared by a typedef:
>  
>     typedef foo::C C2;
> 
> you can define the operator<< in the 'foo' namespace, and that should
> work.

That is very unfortunate.  Is there no way to have the operator<< lookup
occur in the scope of the call to BOOST_CHECK_EQUAL, by moving the
wrap_stringstream logic and the call to operator<< into the macro itself ?

Cheers,
Ian