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Re: libstdc++ tests assumes all locale data are available


On Mon, Dec 02, 2002 at 09:19:53PM +0100, Paolo Carlini wrote:
> H. J. Lu wrote:
> 
> >It doesn't look right to me since the de_DE locale may not be available
> >on the host machine. Shouldn't
> >
> >  try
> >    {
> >      // Set the global locale to non-"C".
> >      std::locale loc_de("de_DE");
> >      std::locale::global(loc_de);
> >
> >      // Set LANG environment variable to de_DE.
> >      const char* oldLANG = getenv("LANG");
> >      if (!setenv("LANG", "de_DE", 1))
> >        {
> >          test01();
> >          setenv("LANG", oldLANG ? oldLANG : "", 1); 
> >        }
> >    }
> >  catch (runtime_error& obj)
> >    {
> >      cout << "de_DE: " << obj.what () << endl;
> >    }
> >
> >be used instead?
> >
> Perhaps. However, Benjamin added some specific notes about this in the 
> install documentation:
> 
>     http://gcc.gnu.org/onlinedocs/libstdc++/install.html
> 
> In particular:
> 
> If the 'gnu' locale model is being used, the following locales are used 
> and tested in the libstdc++ testsuites: en_HK, en_US, fr_FR, fr_FR@euro, 
> de_DE, de_DE@euro, ja_JP.eucjp, es_MX, en_PH, and it_IT. Failure to have 
> the underlying "C" library locale information installed will mean that 
> C++ named locales for the above regions will not work: because of this, 
> the libstdc++ testsuite will not pass the named locale tests. If this 
> isn't an issue, don't worry about it. If named locales are needed, the 
> underlying locale information must be installed. Note that rebuilding 
> libstdc++ after the "C" locales are installed is not necessary.

Those tests are meaningless. On RedHat, only selected locales are
installed. Personally, I will simply ingore all libstdc++ test
failures since most of them are bogus on my machines.


H.J.


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