use strict;

use Test::More tests => 34;

use DateTime::Event::Easter qw/easter/;

my @non_inclusive_expect =        qw|1902-03-30 1903-04-12 1904-04-03
	1905-04-23 1906-04-15 1907-03-31 1908-04-19 1909-04-11 1910-03-27
	1911-04-16 1912-04-07 1913-03-23 1914-04-12 1915-04-04 1916-04-23|;
	
my @inclusive_expect = qw|1917-04-08 1918-03-31 1919-04-20 1920-04-04
	1921-03-27 1922-04-16 1923-04-01 1924-04-20 1925-04-12 1926-04-04
	1927-04-17 1928-04-08 1929-03-31 1930-04-20 1931-04-05 1932-03-27|;

		
my $easter_1901 = DateTime->new(
	year  => 1901,
	month => 4,
	day   => 7,
);

my $easter_1917 = DateTime->new(
	year  => 1917,
	month => 4,
	day   => 8,
);

my $easter_1932 = DateTime->new(
	year  => 1932,
	month => 3,
	day   => 27,
);

my $event_easter_sunday = DateTime::Event::Easter->new();

my $non_inclusive_set = $event_easter_sunday->as_set(from => $easter_1901, to => $easter_1917);
my $inclusive_set = $event_easter_sunday->as_set(from => $easter_1917, to => $easter_1932, inclusive=>1);

# Check new set integration functionality:

my $non_inclusive_new_set = $event_easter_sunday->as_set(after => $easter_1901, before => $easter_1917);
my @empty_set = $non_inclusive_set->complement($non_inclusive_new_set)->as_list();
is (scalar(@empty_set), 0, "Full DateTime::Set integration: Matching Sets");


# Check the number of elements in the set
my @ni_set = $non_inclusive_set->as_list();
is ($#ni_set, $#non_inclusive_expect, "Non-inclusive: Correct number of results");

my $i = 0;
my $non_inclusive_interator = $non_inclusive_set->iterator;
while ( my $dt = $non_inclusive_interator->next ) {
	is( $dt->ymd, 
		$non_inclusive_expect[$i], 
		"Correct date: $non_inclusive_expect[$i]"
	);
	$i++;
};


my @i_set = $inclusive_set->as_list();
is ($#i_set, $#inclusive_expect, "Inclusive: Correct number of results");
$i = 0;
my $inclusive_interator = $inclusive_set->iterator;
while ( my $dt = $inclusive_interator->next ) {
	is( $dt->ymd, 
		$inclusive_expect[$i], 
		"Correct date: $inclusive_expect[$i]"
	);
	$i++;
};