Bug#560647: t/99_pmv.t test failure with new Perl::MinimumVersion 1.22

[Salvatore Bonaccorso]

Hi

First of all, I agree that this is a failure of build when activating
author tests. We in Debian Perl Group try to activate any test which is
possible to quarantee best quality. During such a rebuild of package for
CPAN::Inject it fails to build. There was an update in
Perl::MinimumVersion:

1.22 Wed  25 Nov 2009
        - Negative length in 'splice' requires perl 5.5 (Alexandr Ciornii)
        - 'mkdir' with one argument requires perl 5.6 (Alexandr Ciornii)
        - 'substr' will not be checked if it is a method name (Alexandr Ciornii)
        - better tests and fix for 3-arg 'open' (Alexandr Ciornii)

1.21 Tue  24 Nov 2009
        - Add 'bytes' to 5.6 pragma (Alexandr Ciornii)
        - Add support for "version numbers" like "v1.1.1" (Alexandr Ciornii)
        - Reimplement _three_argument_open, more tests (Alexandr Ciornii)
          Now check for 3-arg open is working.
        - Check 4-arg substr that requires perl 5.5 (Alexandr Ciornii)
        - Postfix foreach requires perl 5.004.05 (Alexandr Ciornii)
        - Scalar::Util::weaken requires perl 5.006 (Alexandr Ciornii)
        - P::MV itself found imcompatibility in 02_main.t with 5.5 (Alexandr Ciornii)

Now CPAN::Inject fails with:
> make[2]: Entering directory
> `/build/user-libcpan-inject-perl_0.11-1-amd64-3nDW4x/libcpan-inject-perl-0.11'
> PERL_DL_NONLAZY=1 /usr/bin/perl "-MExtUtils::Command::MM" "-e"
> "test_harness(0, 'inc', 'blib/lib', 'blib/arch')" t/01_compile.t
> t/9*.t
> t/01_compile.t .. ok
> t/98_pod.t ...... ok
> 
> #   Failed test 't/02_main.t'
> #   at /usr/share/perl5/Test/MinimumVersion.pm line 150.
> # t/02_main.t requires 5.006 due to syntax
> # version markers for 5.006:
> # - _mkdir_1_arg 
> # Looks like you failed 1 test of 6.
> t/99_pmv.t ...... 
> Dubious, test returned 1 (wstat 256, 0x100)
> Failed 1/6 subtests 
> 
> Test Summary Report
> -------------------
> t/99_pmv.t    (Wstat: 256 Tests: 6 Failed: 1)
>   Failed test:  3
>   Non-zero exit status: 1
> Files=3, Tests=11,  3 wallclock secs ( 0.03 usr  0.01 sys +  1.26
> cusr  0.08 csys =  1.38 CPU)
> Result: FAIL
> Failed 1/3 test programs. 1/11 subtests failed.
> make[2]: *** [test_dynamic] Error 1

The full Bugreport is located at http://bugs.debian.org/560647

The problem is that in the tests there are used syntax not matching the
required version in META.yml.

Many thanks for considering looking into it,
Bests
Salvatore
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