1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
#!/usr/bin/perl -w
use strict;
use Test::More;
plan tests => 6;
use DateTime;
use DateTime::Duration;
use DateTime::Set;
#======================================================================
# ADD/SUBRACT DURATION ("OFFSET") TESTS
#======================================================================
my $t1 = new DateTime( year => '1810', month => '11', day => '22' );
my $t2 = new DateTime( year => '1900', month => '11', day => '22' );
my $s1 = DateTime::Set->from_datetimes( dates => [ $t1, $t2 ] );
my $dur1 = new DateTime::Duration ( years => 1 );
my $s2 = $s1->add_duration( $dur1 );
is( $s2->count, 2, "count" );
is( $s2->min->ymd, '1811-11-22',
'got 1811-11-22 - min' );
$s2 = $s2->clone->add( months => 1 );
is( $s2->min->ymd, '1811-12-22',
'got 1811-12-22 - min' );
my $s3 = $s2->clone->subtract_duration( DateTime::Duration->new( months => 1 ) );
is( $s3->min->ymd, '1811-11-22',
'got 1811-11-22 - min' );
my $s4 = $s3->clone->subtract( years => 1 );
is( $s4->min->ymd, '1810-11-22',
'got 1810-11-22 - min' );
# check for immutability
is( $s2->min->ymd, '1811-12-22',
'got 1811-12-22 - min' );
1;
|
