Re: [Boost-users] [test] Uncaught exception in BOOST_CHECK_THROW()causing SIGABRT

From: Gennadiy Rozental (rogeeff_at_[hidden])
Date: 2007-08-24 00:47:10

> "Richard Dingwall" <rdingwall_at_[hidden]> wrote in message 
> news:aedf0bab0708212308s3193f314ma112d9a67c8f54ce_at_mail.gmail.com...
> The short of it is, that if you have a setup similar to the following ( 
> i.e., an empty throw() clause on a template specialisation):
>
> template<class output_type> output_type do_something(int input_value) 
> throw(std::invalid_argument);
> template<> int do_something(int input_value) throw(std::invalid_argument);
> template<> long do_something(int input_value) throw();
>
> And attempt to test throwing a std::invalid_argument from within the long 
> specialised function, e.g.:
>
> // note: an argument less than zero will throw a std::invalid_argument
> BOOST_CHECK_THROW(do_something<long>(-1), std::invalid_argument);
>
> You will see something the following:
>
> Running 4 test cases...
> terminate called after throwing an instance of 'std::invalid_argument'
>   what():  Input value too low.
> unknown location(0): fatal error in "long_throw": signal: SIGABRT 
> (application abort requested)
> sigabrt_test_suite.cpp(58): last checkpoint
>
> *** 1 failure detected in test suite "sigabrt tests"
>
> My function is throwing a std::invalid_argument and my test case been 
> programmed to catch it. But it doesn't. This had me scratching my head for 
> a > few days, until I noticed the empty throw() clause. Completing it 
> resolved the problem immediately.
>
> I'm not sure if this is expected behaviour, but if anyone's interested, a 
> test case is attached. I'm using gcc version 4.0.1 (Apple Computer, Inc. 
> build > 5367) on a G4 Powerbook with whatever was in Boost's SVN trunk on 
> August 6.

Ummm.... What are you complaining about essencially? I would say it's 
expected behavior. You throw an exception from function with nothrow 
declaration - you are going to end up in abort(). Which is what Boost.Test 
reported to you.

Gennadiy