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#!/usr/bin/perl -w
use strict;
use Test::More;
plan tests => 8;
use DateTime;
use DateTime::Duration;
use DateTime::Set;
#======================================================================
# SPAN TESTS
#======================================================================
{
my $t1 = new DateTime( year => 1810, month => 11, day => 22 );
my $t2 = new DateTime( year => 1900, month => 11, day => 22 );
my $s1 = DateTime::Span->from_datetime_and_duration( start => $t1, hours => 2 );
my $res = $s1->min->ymd.'T'.$s1->min->hms;
ok( $res eq '1810-11-22T00:00:00',
"got $res - min" );
$res = $s1->max->ymd.'T'.$s1->max->hms;
ok( $res eq '1810-11-22T02:00:00',
"got $res - max" );
}
{
my $t1 = new DateTime( year => 1800 );
my $t2 = new DateTime( year => 1900 );
my $mid = new DateTime( year => 1850 );
my $span = DateTime::Span->from_datetimes( start => $t1, end => $t2 );
ok( $span->contains($mid),
"Span should contain datetime in between start and end" );
}
{
# infinite span
my $span = DateTime::Span->from_datetimes( start => DateTime->today )->union(
DateTime::Span->from_datetimes( end => DateTime->today ) );
isa_ok( $span, "DateTime::SpanSet" , "union of spans gives a spanset" );
ok( $span->min->is_infinite, "infinite start" );
ok( $span->max->is_infinite, "infinite end" );
is( $span->duration->seconds , DateTime::Set::INFINITY, "infinite duration" );
}
{
# empty span
my $span1 = DateTime::Span->from_datetimes(
start => DateTime->new( year => 2000 ),
end => DateTime->new( year => 2001 ) );
my $span2 = DateTime::Span->from_datetimes(
start => DateTime->new( year => 2003 ),
end => DateTime->new( year => 2004 ) );
my $empty = $span1->intersection($span2);
is( $empty->duration->seconds , 0, "null duration" );
}
1;
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