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#!./perl -w
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 Carp;
use Data::Dumper;
use Test::More tests => 15;
use lib qw( ./t/lib );
use Testing qw( _dumptostr );
my ($a, $b, $obj);
my (@names);
my (@newnames, $objagain, %newnames);
my $dumpstr;
$a = 'alpha';
$b = 'beta';
$obj = Data::Dumper->new([$a,$b], [qw(a b)]);
@names = $obj->Names;
is_deeply(\@names, [qw(a b)], "Names() returned expected list");
@newnames = ( qw| gamma delta | );
$objagain = $obj->Names(\@newnames);
is($objagain, $obj, "Names returned same object");
is_deeply($objagain->{names}, \@newnames,
"Able to use Names() to set names to be dumped");
$obj = Data::Dumper->new([$a,$b], [qw(a b)]);
%newnames = ( gamma => 'delta', epsilon => 'zeta' );
eval { @names = $obj->Names(\%newnames); };
like($@, qr/Argument to Names, if provided, must be array ref/,
"Got expected error message: bad argument to Names()");
$obj = Data::Dumper->new([$a,$b], [qw(a b)]);
@newnames = ( qw| gamma delta epsilon | );
$objagain = $obj->Names(\@newnames);
is($objagain, $obj, "Names returned same object");
is_deeply($objagain->{names}, \@newnames,
"Able to use Names() to set names to be dumped");
$dumpstr = _dumptostr($obj);
like($dumpstr, qr/gamma/s, "Got first name expected");
like($dumpstr, qr/delta/s, "Got first name expected");
unlike($dumpstr, qr/epsilon/s, "Did not get name which was not expected");
$obj = Data::Dumper->new([$a,$b], [qw(a b)]);
@newnames = ( qw| gamma | );
$objagain = $obj->Names(\@newnames);
is($objagain, $obj, "Names returned same object");
is_deeply($objagain->{names}, \@newnames,
"Able to use Names() to set names to be dumped");
$dumpstr = _dumptostr($obj);
like($dumpstr, qr/gamma/s, "Got name expected");
unlike($dumpstr, qr/delta/s, "Did not get name which was not expected");
unlike($dumpstr, qr/epsilon/s, "Did not get name which was not expected");
like($dumpstr, qr/\$VAR2/s, "Got default name");
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