use strict;
use warnings;

use Test::More;

use DateTime;

undef $ENV{PERL_DATETIME_DEFAULT_TZ};

{
    my $dt = DateTime->new(
        year      => 1997, month  => 6,  day    => 30,
        hour      => 23,   minute => 58, second => 59,
        time_zone => 'UTC'
    );

    $dt->set_time_zone('+00:00:30');

    is( $dt->datetime, '1997-06-30T23:59:29', '+00:00:30 leap second T-61' );
}

{
    my $dt = DateTime->new(
        year      => 1997, month  => 6,  day    => 30,
        hour      => 23,   minute => 59, second => 29,
        time_zone => 'UTC'
    );

    $dt->set_time_zone('+00:00:30');

    is( $dt->datetime, '1997-06-30T23:59:59', '+00:00:30 leap second T-31' );
}

{
    local $TODO = 'offsets with seconds are broken near leap seconds';

    my $dt = DateTime->new(
        year      => 1997, month  => 6,  day    => 30,
        hour      => 23,   minute => 59, second => 30,
        time_zone => 'UTC'
    );

    $dt->set_time_zone('+00:00:30');

    is( $dt->datetime, '1997-06-30T23:59:60', '+00:00:30 leap second T-30' );
}

{
    local $TODO = 'offsets with seconds are broken near leap seconds';

    my $dt = DateTime->new(
        year      => 1997, month  => 6,  day    => 30,
        hour      => 23,   minute => 59, second => 31,
        time_zone => 'UTC'
    );

    $dt->set_time_zone('+00:00:30');

    is( $dt->datetime, '1997-07-01T00:00:00', '+00:00:30 leap second T-29' );
}

{
    local $TODO = 'offsets with seconds are broken near leap seconds';

    my $dt = DateTime->new(
        year      => 1997, month  => 6,  day    => 30,
        hour      => 23,   minute => 59, second => 60,
        time_zone => 'UTC'
    );

    $dt->set_time_zone('+00:00:30');

    is( $dt->datetime, '1997-07-01T00:00:30', '+00:00:30 leap second T-0' );
}

{
    my $dt = DateTime->new(
        year      => 1997, month  => 7, day    => 1,
        hour      => 0,    minute => 0, second => 0,
        time_zone => 'UTC'
    );

    $dt->set_time_zone('+00:00:30');

    is( $dt->datetime, '1997-07-01T00:00:30', '+00:00:30 leap second T+1' );
}

done_testing();
