Re: [HACKERS] Show backtrace when tap tests fail

Andrew Dunstan <andrew.dunstan@2ndquadrant.com> writes:
> On 09/19/2017 01:31 PM, Andres Freund wrote:
>> # Include module showing backtraces upon failures. As it's a
>> non-standard module, don't fail if not installed.
>> eval { use Carp::Always; }

> Or maybe Devel::Confess ?

Neither one seems to be present in a standard Perl installation :-(

> In an eval you need a 'require' rather than a 'use', AFAIK.

Yeah:

$ perl -e 'eval { use Carp::Always; }'
Can't locate Carp/Always.pm in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5
/usr/lib64/perl5/vendor_perl/usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at -e line 1. 
BEGIN failed--compilation aborted at -e line 1.
$ perl -e 'eval { require Carp::Always; }'
$ echo $?
0
        regards, tom lane


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