Gecko [ www.blackthorn-inc.com ]

Name	Size	Permission	Date
lib	[ DIR ]	drwxr-xr-x	2015-02-14 16:56
bless.t	1.33 KB	-r--r--r--	2014-12-27 11:48
bless_var_method.t	2.31 KB	-r--r--r--	2014-12-27 11:48
bugs.t	3.61 KB	-r--r--r--	2014-12-27 11:48
deparse.t	2.44 KB	-r--r--r--	2014-12-27 11:48
dumper.t	38.19 KB	-r--r--r--	2014-12-27 11:49
dumpperl.t	3.7 KB	-r--r--r--	2014-12-27 11:48
freezer.t	3.14 KB	-r--r--r--	2014-12-27 11:48
freezer_useperl.t	2.72 KB	-r--r--r--	2014-12-27 11:48
indent.t	3 KB	-r--r--r--	2014-12-27 11:48
misc.t	5.95 KB	-r--r--r--	2014-12-27 11:48
names.t	2.1 KB	-r--r--r--	2014-12-27 11:48
overload.t	610 B	-r--r--r--	2014-12-27 11:48
pair.t	1.87 KB	-r--r--r--	2014-12-27 11:48
perl-74170.t	5.33 KB	-r--r--r--	2014-12-27 11:48
purity_deepcopy_maxdepth.t	10.76 KB	-r--r--r--	2014-12-27 11:48
qr.t	515 B	-r--r--r--	2014-12-27 11:48
quotekeys.t	4.08 KB	-r--r--r--	2014-12-27 11:48
recurse.t	1.64 KB	-r--r--r--	2015-01-10 12:06
seen.t	2.56 KB	-r--r--r--	2014-12-27 11:48
sortkeys.t	5.85 KB	-r--r--r--	2014-12-27 11:48
sparseseen.t	2.46 KB	-r--r--r--	2014-12-27 11:48
terse.t	1.33 KB	-r--r--r--	2014-12-27 11:48
toaster.t	2.43 KB	-r--r--r--	2014-12-27 11:48
values.t	1.06 KB	-r--r--r--	2014-12-27 11:48

Rename

#!./perl -w
# t/seen.t - Test Seen()

BEGIN {
    if ($ENV{PERL_CORE}){
        require Config; import Config;
        no warnings 'once';
        if ($Config{'extensions'} !~ /\bData\/Dumper\b/) {
            print "1..0 # Skip: Data::Dumper was not built\n";
            exit 0;
        }
    }
}

use strict;

use Data::Dumper;
use Test::More tests => 10;
use lib qw( ./t/lib );
use Testing qw( _dumptostr );

my ($obj, %dumps);

my (@e, %f, @rv, @g, %h, $k);
@e = ( qw| alpha beta gamma | );
%f = ( epsilon => 'zeta', eta => 'theta' );
@g = ( qw| iota kappa lambda | );
%h = ( mu => 'nu', omicron => 'pi' );
sub j { print "Hello world\n"; }
$k = 'just another scalar';

{
    my $warning = '';
    local $SIG{__WARN__} = sub { $warning = $_[0] };

$obj = Data::Dumper->new( [ \@e, \%f ]);
    @rv = $obj->Seen( { mark => 'snark' } );
    like($warning,
        qr/^Only refs supported, ignoring non-ref item \$mark/,
        "Got expected warning for non-ref item");
}

{
    my $warning = '';
    local $SIG{__WARN__} = sub { $warning = $_[0] };

$obj = Data::Dumper->new( [ \@e, \%f ]);
    @rv = $obj->Seen( { mark => undef } );
    like($warning,
        qr/^Value of ref must be defined; ignoring undefined item \$mark/,
        "Got expected warning for undefined value of item");
}

{
    $obj = Data::Dumper->new( [ \@e, \%f ]);
    @rv = $obj->Seen( undef );
    is(@rv, 0, "Seen(undef) returned empty array");
}

{
    $obj = Data::Dumper->new( [ \@e, \%f ]);
    @rv = $obj->Seen( [ qw| mark snark | ] );
    is(@rv, 0, "Seen(ref other than hashref) returned empty array");
}

{
    $obj = Data::Dumper->new( [ \@e, \%f ]);
    @rv = $obj->Seen( { '*samba' => \@g } );
    is_deeply($rv[0], $obj, "Got the object back: value array ref");
}

{
    $obj = Data::Dumper->new( [ \@e, \%f ]);
    @rv = $obj->Seen( { '*canasta' => \%h } );
    is_deeply($rv[0], $obj, "Got the object back: value hash ref");
}

{
    $obj = Data::Dumper->new( [ \@e, \%f ]);
    @rv = $obj->Seen( { '*pinochle' => \&j } );
    is_deeply($rv[0], $obj, "Got the object back: value code ref");
}

{
    $obj = Data::Dumper->new( [ \@e, \%f ]);
    @rv = $obj->Seen( { '*poker' => \$k } );
    is_deeply($rv[0], $obj, "Got the object back: value ref to scalar");
}

{
    my $l = 'loo';
    $obj = Data::Dumper->new( [ \@e, \%f ]);
    @rv = $obj->Seen( { $l => \$k } );
    is_deeply($rv[0], $obj, "Got the object back: value ref to scalar");
}

{
    my $l = '$loo';
    $obj = Data::Dumper->new( [ \@e, \%f ]);
    @rv = $obj->Seen( { $l => \$k } );
    is_deeply($rv[0], $obj, "Got the object back: value ref to scalar");
}