#!/usr/bin/perl -w
use strict;
#######################################################################
sub array_diff {
my ( $got, $expected ) = @_;
push @$got, ( '(missing)' ) x ( @$expected - @$got ) if @$got < @$expected;
push @$expected, ( '(should not exist)' ) x ( @$got - @$expected ) if @$got > @$expected;
join "\n ", ' All differences:', (
map +( "got [$_] " . $got->[$_], 'expected'.(' ' x length).$expected->[$_] ),
grep $got->[$_] ne $expected->[$_],
0 .. $#$got
);
}
#######################################################################
use Test::More tests => 8; # some extra tests in t/lib/BaseInc*
use lib 't/lib', sub {()};
# make it look like an older perl
BEGIN { push @INC, '.' if $INC[-1] ne '.' }
BEGIN {
my $x = sub { CORE::require $_[0] };
my $y = sub { &$x };
my $z = sub { &$y };
*CORE::GLOBAL::require = $z;
}
my @expected; BEGIN { @expected = @INC }
use base 'BaseIncMandatory';
BEGIN {
@t::lib::Dummy::ISA = (); # make it look like an optional load
my $success = eval q{use base 't::lib::Dummy'}, my $err = $@;
ok !$success, 'loading optional modules from . using base.pm fails';
is_deeply \@INC, \@expected, '... without changes to @INC'
or diag array_diff [@INC], [@expected];
like $err, qr!Base class package "t::lib::Dummy" is not empty but "t/lib/Dummy\.pm" exists in the current directory\.!,
'... and the proper error message';
}
BEGIN { @BaseIncOptional::ISA = () } # make it look like an optional load
use base 'BaseIncOptional';
BEGIN {
@expected = ( 't/lib/on-head', @expected, 't/lib/on-tail' );
is_deeply \@INC, \@expected, 'modules loaded by base can extend @INC at both ends'
or diag array_diff [@INC], [@expected];
}