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|
#!/usr/bin/perl -w
use strict;
use Test::More;
plan tests => 25;
use DateTime;
use DateTime::Duration;
use DateTime::Set;
# use warnings;
#======================================================================
# recurrence
#======================================================================
use constant INFINITY => 100 ** 100 ** 100 ;
use constant NEG_INFINITY => -1 * (100 ** 100 ** 100);
my $res;
my $t1 = new DateTime( year => '1810', month => '08', day => '22' );
my $t2 = new DateTime( year => '1810', month => '11', day => '24' );
my $s1 = DateTime::Set->from_datetimes( dates => [ $t1, $t2 ] );
my $month_callback = sub {
$_[0]->truncate( to => 'month' );
# warn " truncate = ".$_[0]->ymd;
$_[0]->add( months => 1 );
# warn " add = ".$_[0]->ymd;
return $_[0];
};
my $months = DateTime::Set->from_recurrence(
recurrence => $month_callback,
);
# contains datetime, unbounded set
{
my $t0 = $t2->clone->truncate( to => 'month' );
my $t0_set = DateTime::Set->from_datetimes( dates => [ $t0 ] );
is( $months->contains( $t1 ), 0, "does not contain datetime" );
is( $months->contains( $t1, $t0 ), 0, "does not contain datetime list" );
is( $months->contains( $t0 ), 1, "contains datetime" );
is( $months->intersects( $t1 ), 0, "does not intersect datetime" );
is( $months->intersects( $t1, $t0 ), 1, "intersects datetime list" );
is( $months->intersects( $t0 ), 1, "intersects datetime" );
ok( ! defined $months->contains( $months ) ,
"contains - can't do it with both unbounded sets, returns undef" );
is( $t0_set->intersects( $months ), 1, "intersects unbounded set" );
}
# "START"
$months = DateTime::Set->from_recurrence(
recurrence => $month_callback,
start => $t1, # 1810-08-22
);
# contains datetime, semi-bounded set
{
my $t0 = $t2->clone->truncate( to => 'month' );
is( $months->contains( $t1 ), 0, "does not contain datetime" );
is( $months->contains( $t1, $t0 ), 0, "does not contain datetime list" );
is( $months->contains( $t0 ), 1, "contains datetime" );
is( $months->intersects( $t1 ), 0, "does not intersect datetime" );
is( $months->intersects( $t1, $t0 ), 1, "intersects datetime list" );
is( $months->intersects( $t0 ), 1, "intersects datetime" );
}
$res = $months->min;
$res = $res->ymd if ref($res);
is( $res, '1810-09-01',
"min()" );
$res = $months->max;
# $res = $res->ymd if ref($res);
is( ref($res), 'DateTime::Infinite::Future',
"max()" );
# "END"
$months = DateTime::Set->from_recurrence(
recurrence => $month_callback,
end => $t1, # 1810-08-22
);
$res = $months->min;
# $res = $res->ymd if ref($res);
is( ref($res), 'DateTime::Infinite::Past',
"min()" );
{
$res = $months->max;
$res = $res->ymd if ref($res);
is( $res, '1810-08-01',
"max()" );
}
is( $months->count, undef, "count" );
# "START+END"
$months = DateTime::Set->from_recurrence(
recurrence => $month_callback,
start => $t1, # 1810-08-22
end => $t2, # 1810-11-24
);
$res = $months->min;
$res = $res->ymd if ref($res);
is( $res, '1810-09-01',
"min()" );
{
$res = $months->max;
$res = $res->ymd if ref($res);
is( $res, '1810-11-01',
"max()" );
}
# "START+END" at recurrence
$t1->set( day => 1 ); # month=8
$t2->set( day => 1 ); # month=11
$months = DateTime::Set->from_recurrence(
recurrence => $month_callback,
start => $t1,
end => $t2,
);
$res = $months->min;
$res = $res->ymd if ref($res);
is( $res, '1810-08-01',
"min()" );
{
$res = $months->max;
$res = $res->ymd if ref($res);
is( $res, '1810-11-01',
"max()" );
}
{
# verify that the set-span when backtracking is ok.
# This is _critical_ for doing correct intersections
$res = $months->intersection( DateTime->new( year=>1810, month=>11, day=>1 ) );
$res = $res->max;
$res = $res->ymd if ref($res);
is( $res, '1810-11-01',
"intersection at the recurrence" );
}
# big set - "START+END" at recurrence
{
my $set = DateTime::SpanSet->from_spans(
spans => [
DateTime::Span->from_datetimes(
start => new DateTime( year => '1950', month => '08', day => '22' ),
end => new DateTime( year => '2000', month => '08', day => '22' ),
),
DateTime::Span->from_datetimes(
start => new DateTime( year => '2350', month => '08', day => '22' ),
end => new DateTime( year => '2400', month => '08', day => '22' ),
),
],
);
my $months = DateTime::Set->from_recurrence(
recurrence => $month_callback,
);
my $bounded = $months->intersection( $set );
# ok( ! defined $bounded->count, "will not count: there are too many elements" );
is( $bounded->count, 1200, "too many elements - iterate" );
}
1;
|
