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|
use strict;
use warnings;
use Test::More;
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'
);
# make sure that comparing to itself eq 0
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' );
# $a > $b tests
$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' );
# comparison overloading, and infinity
ok( ( $date1 <=> $infinity ) == -1, 'Comparison overload $a <=> inf' );
ok( ( $infinity <=> $date1 ) == 1, 'Comparison overload $inf <=> $a' );
# comparison with floating time
{
my $dt1 = DateTime->new(
year => 1997, month => 10, day => 24,
hour => 12, minute => 0, second => 0,
time_zone => 'America/Chicago'
);
my $dt2 = DateTime->new(
year => 1997, month => 10, day => 24,
hour => 12, minute => 0, second => 0,
time_zone => 'floating'
);
is(
DateTime->compare( $dt1, $dt2 ), 0,
'Comparison with floating time (cmp)'
);
is( ( $dt1 <=> $dt2 ), 0, 'Comparison with floating time (<=>)' );
is( ( $dt1 cmp $dt2 ), 0, 'Comparison with floating time (cmp)' );
is(
DateTime->compare_ignore_floating( $dt1, $dt2 ), 1,
'Comparison with floating time (cmp)'
);
}
# sub-second
{
my $dt1 = DateTime->new(
year => 1997, month => 10, day => 24,
hour => 12, minute => 0, second => 0,
nanosecond => 100,
);
my $dt2 = DateTime->new(
year => 1997, month => 10, day => 24,
hour => 12, minute => 0, second => 0,
nanosecond => 200,
);
is(
DateTime->compare( $dt1, $dt2 ), -1,
'Comparison with floating time (cmp)'
);
is( ( $dt1 <=> $dt2 ), -1, 'Comparison with floating time (<=>)' );
is( ( $dt1 cmp $dt2 ), -1, 'Comparison with floating time (cmp)' );
}
{
my $dt1 = DateTime->new(
year => 2000, month => 10, day => 24,
hour => 12, minute => 0, second => 0,
nanosecond => 10000,
);
my $dt2 = DateTime->new(
year => 2000, month => 10, day => 24,
hour => 12, minute => 0, second => 0,
nanosecond => 10000,
);
is(
DateTime->compare( $dt1, $dt2 ), 0,
'Comparison with floating time (cmp)'
);
is( ( $dt1 <=> $dt2 ), 0, 'Comparison with floating time (<=>)' );
is( ( $dt1 cmp $dt2 ), 0, 'Comparison with floating time (cmp)' );
is(
DateTime->compare_ignore_floating( $dt1, $dt2 ), 0,
'Comparison with compare_ignore_floating (cmp)'
);
}
{
package DT::Test;
sub new {
my $class = shift;
return bless [@_], $class;
}
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' );
}
done_testing();
|
