use strict;
use warnings;
use lib 't/lib';
use T::RequireDateTime;
use Test::More;
use DateTime::TimeZone;
use DateTime::TimeZone::OffsetOnly;
use Storable;
{
my $tz1 = DateTime::TimeZone->new( name => 'America/Chicago' );
my $frozen = Storable::nfreeze($tz1);
ok(
length $frozen < 2000,
'the serialized tz object should not be immense'
);
test_thaw_and_clone($tz1);
}
{
for my $obj (
DateTime::TimeZone::OffsetOnly->new( offset => '+0100' ),
DateTime::TimeZone::Floating->new(),
DateTime::TimeZone::UTC->new(),
) {
test_thaw_and_clone($obj);
}
}
sub test_thaw_and_clone {
my $tz1 = shift;
my $name = $tz1->name;
my $tz2 = Storable::thaw( Storable::nfreeze($tz1) );
my $class = ref $tz1;
is( $tz2->name, $name, "thaw frozen $class" );
if ( exists $tz1->{spans} ) {
is(
$tz1->{spans}, $tz2->{spans},
"spans remain shared for $class after freeze/thaw"
);
}
my $tz3 = Storable::dclone($tz1);
is( $tz3->name, $name, "dclone $class" );
if ( exists $tz1->{spans} ) {
is(
$tz1->{spans}, $tz3->{spans},
"spans remain shared for $class after dclone"
);
}
}
done_testing();