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#!perl -w
use strict;
use warnings FATAL => 'all';
use Test::More;
use Data::Dumper;
use Data::Clone;
use Tie::Hash;
use Tie::Array;
$Data::Dumper::Indent = 0;
$Data::Dumper::Sortkeys = 1;
ok defined(&clone), 'clone() is exported by default';
ok!defined(&data_clone), 'data_clone() is not exported by default';
for(1 .. 2){ # do it twice to test internal data
foreach my $data(
"foo",
3.14,
1 != 1,
*STDOUT,
["foo", "bar", undef, 42],
[qr/foo/, qr/bar/],
[\*STDOUT, \*STDOUT],
{ key => [ 'value', \&ok ] },
{ foo => { bar => { baz => 42 } } },
){
note("for $data");
is Dumper(clone($data)), Dumper($data), 'data';
is Dumper(clone(\$data)), Dumper(\$data), 'data ref';
}
my $s;
$s = \$s;
is Dumper(clone(\$s)), Dumper(\$s), 'ref to self (scalar)';
my @a;
@a = \@a;
is Dumper(clone(\@a)), Dumper(\@a), 'ref to self (array)';
my %h;
$h{foo} = \%h;
is Dumper(clone(\%h)), Dumper(\%h), 'ref to self (hash)';
@a = ('foo', 'bar', \%h, \%h);
is Dumper(clone(\@a)), Dumper(\@a), 'ref to duplicated refs';
# correctly cloned?
$s = 99;
%h = (foo => 10, bar => 10, baz => [10], qux => \$s);
my $cloned = clone(\%h);
$cloned->{foo}++;
$cloned->{baz}[0]++;
cmp_ok $cloned, '!=', \%h, 'different entity';
is Dumper($cloned), Dumper({foo => 11, bar => 10, baz => [11], qux => \$s}),
'deeply copied';
is Dumper(\%h), Dumper({foo => 10, bar => 10, baz => [10], qux => \$s}),
'the original is not touched';
$s++;
is ${$h{qux}}, 100;
is ${$cloned->{qux}}, 100, 'scalar ref is not copied deeply';
}
done_testing;
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