use strict;
use Test::More tests => 26;
use DateTime;
my $date1 = DateTime->new( year => 1997, month => 10, day => 24,
hour => 12, minute => 0, second => 0,
time_zone => 'UTC' );
my $date2 = DateTime->new( year => 1997, month => 10, day => 24,
hour => 12, minute => 0, second => 0,
time_zone => 'UTC' );
my $identity = $date1->compare($date2);
ok($identity == 0, "Identity comparison");
$date2 = DateTime->new( year => 1997, month => 10, day => 24,
hour => 12, minute => 0, second => 1,
time_zone => 'UTC' );
ok($date1->compare($date2) == -1, 'Comparison $a < $b, 1 second diff');
$date2 = DateTime->new( year => 1997, month => 10, day => 24,
hour => 12, minute => 1, second => 0,
time_zone => 'UTC' );
ok($date1->compare($date2) == -1, 'Comparison $a < $b, 1 minute diff');
$date2 = DateTime->new( year => 1997, month => 10, day => 24,
hour => 13, minute => 0, second => 0,
time_zone => 'UTC' );
ok($date1->compare($date2) == -1, 'Comparison $a < $b, 1 hour diff');
$date2 = DateTime->new( year => 1997, month => 10, day => 25,
hour => 12, minute => 0, second => 0,
time_zone => 'UTC' );
ok($date1->compare($date2) == -1, 'Comparison $a < $b, 1 day diff');
$date2 = DateTime->new( year => 1997, month => 11, day => 24,
hour => 12, minute => 0, second => 0,
time_zone => 'UTC' );
ok($date1->compare($date2) == -1, 'Comparison $a < $b, 1 month diff');
$date2 = DateTime->new( year => 1998, month => 10, day => 24,
hour => 12, minute => 0, second => 0,
time_zone => 'UTC' );
ok($date1->compare($date2) == -1, 'Comparison $a < $b, 1 year diff');
$date2 = DateTime->new( year => 1997, month => 10, day => 24,
hour => 11, minute => 59, second => 59,
time_zone => 'UTC' );
ok($date1->compare($date2) == 1, 'Comparison $a > $b, 1 second diff');
$date2 = DateTime->new( year => 1997, month => 10, day => 24,
hour => 11, minute => 59, second => 0,
time_zone => 'UTC' );
ok($date1->compare($date2) == 1, 'Comparison $a > $b, 1 minute diff');
$date2 = DateTime->new( year => 1997, month => 10, day => 24,
hour => 11, minute => 0, second => 0,
time_zone => 'UTC' );
ok($date1->compare($date2) == 1, 'Comparison $a > $b, 1 hour diff');
$date2 = DateTime->new( year => 1997, month => 10, day => 23,
hour => 12, minute => 0, second => 0,
time_zone => 'UTC' );
ok($date1->compare($date2) == 1, 'Comparison $a > $b, 1 day diff');
$date2 = DateTime->new( year => 1997, month => 9, day => 24,
hour => 12, minute => 0, second => 0,
time_zone => 'UTC' );
ok($date1->compare($date2) == 1, 'Comparison $a > $b, 1 month diff');
$date2 = DateTime->new( year => 1996, month => 10, day => 24,
hour => 12, minute => 0, second => 0,
time_zone => 'UTC' );
ok($date1->compare($date2) == 1, 'Comparison $a > $b, 1 year diff');
my $infinity = DateTime::INFINITY;
ok($date1->compare($infinity) == -1, 'Comparison $a < inf');
ok($date1->compare(-$infinity) == 1, 'Comparison $a > -inf');
ok( ($date1 <=> $infinity) == -1, 'Comparison overload $a <=> inf');
ok( ($infinity <=> $date1) == 1, 'Comparison overload $inf <=> $a');
{
my $date1 = DateTime->new( year => 1997, month => 10, day => 24,
hour => 12, minute => 0, second => 0,
time_zone => 'America/Chicago' );
my $date2 = DateTime->new( year => 1997, month => 10, day => 24,
hour => 12, minute => 0, second => 0,
time_zone => 'floating' );
is( DateTime->compare( $date1, $date2 ), 0, 'Comparison with floating time (cmp)' );
is( ($date1 <=> $date2), 0, 'Comparison with floating time (<=>)' );
is( ($date1 cmp $date2), 0, 'Comparison with floating time (cmp)' );
is( DateTime->compare_ignore_floating( $date1, $date2 ), 1,
'Comparison with floating time (cmp)' );
}
{
my $date1 = DateTime->new( year => 1997, month => 10, day => 24,
hour => 12, minute => 0, second => 0,
nanosecond => 100,
);
my $date2 = DateTime->new( year => 1997, month => 10, day => 24,
hour => 12, minute => 0, second => 0,
nanosecond => 200,
);
is( DateTime->compare( $date1, $date2 ), -1, 'Comparison with floating time (cmp)' );
is( ($date1 <=> $date2), -1, 'Comparison with floating time (<=>)' );
is( ($date1 cmp $date2), -1, 'Comparison with floating time (cmp)' );
}
{
package DT::Test;
sub new { shift; bless [@_] }
sub utc_rd_values { @{ $_[0] } }
}
{
my $dt = DateTime->new( year => 1950 );
my @values = $dt->utc_rd_values;
$values[2] += 50;
my $dt_test1 = DT::Test->new( @values );
ok( $dt < $dt_test1, 'comparison works across different classes' );
$values[0] -= 1;
my $dt_test2 = DT::Test->new( @values );
ok( $dt > $dt_test2, 'comparison works across different classes' );
}