

use Test::More;

BEGIN {
    unless ( $ENV{RELEASE_TESTING} ) {
        plan skip_all => 'these tests are for testing by the release';
    }

    $ENV{PERL_DATETIME_PP} = 1;
}

use strict;
use warnings;

use Test::More;

use DateTime;

my @last = ( 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 );
my @leap_last = @last;
$leap_last[1]++;

{
    my $doy = 15;
    foreach my $month ( 1 .. 12 ) {
        $doy += $last[ $month - 2 ] if $month > 1;

        my $dt = DateTime->from_day_of_year(
            year        => 2001,
            day_of_year => $doy,
            time_zone   => 'UTC',
        );

        is( $dt->year,        2001,   'check year' );
        is( $dt->month,       $month, 'check month' );
        is( $dt->day,         15,     'check day' );
        is( $dt->day_of_year, $doy,   'check day of year' );
    }
}

{
    my $doy = 15;
    foreach my $month ( 1 .. 12 ) {
        $doy += $leap_last[ $month - 2 ] if $month > 1;

        my $dt = DateTime->from_day_of_year(
            year        => 2004,
            day_of_year => $doy,
            time_zone   => 'UTC',
        );

        is( $dt->year,        2004,   'check year' );
        is( $dt->month,       $month, 'check month' );
        is( $dt->day,         15,     'check day' );
        is( $dt->day_of_year, $doy,   'check day of year' );
    }
}

{
    eval { DateTime->from_day_of_year( year => 2001, day_of_year => 366 ) };
    like(
        $@, qr/2001 is not a leap year/,
        "Cannot give day of year 366 in non-leap years"
    );

    eval { DateTime->from_day_of_year( year => 2004, day_of_year => 366 ) };
    ok( !$@, "Day of year 366 should work in leap years" );
}

done_testing();

