Re: [boost] [test] Causing regex regression?

From: John Maddock (john_at_[hidden])
Date: 2007-11-27 04:47:39

Jeremy Pack wrote:
> I've been getting the same problem - the following code reproduces it
> on an Intel mac:
>
> // Copyright 2007 Jeremy Pack
> // All rights reserved
>
> #define BOOST_TEST_MAIN
> #define BOOST_TEST_DYN_LINK 1
> #include <boost/test/unit_test.hpp>
> #include <iostream>
>
> // #include "../src/paf_ged_loader.hpp"
> // #include "../src/repository.hpp"
> #include <boost/regex.hpp>
>
> BOOST_AUTO_TEST_CASE(regex) {
>  boost::regex i("test");
>  std::string s("test");
>  boost::smatch match;
>  boost::regex_match(s, match, i);
> }
>
> The system_error seems to be thrown at the call to regex_match.

This is very strange - especially as regex makes no use of Boost.Test 
internally - I don't see how a call into the regex lib can result in 
Boost.Test throwing !

Are you able to trap the point at which the exception is thrown (gdb has an 
option to break on a throw exception I believe): what we really need to 
determine is the code that triggers this.

Many thanks, John Maddock.