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|
use strict;
use warnings;
use Test::More;
use Test::Fatal;
use DateTime;
{
my $dt = DateTime->new(
year => 1996, month => 11, day => 22,
hour => 18, minute => 30, second => 20,
time_zone => 'UTC',
);
$dt->add( weeks => 8 );
is( $dt->year, 1997, 'year rollover' );
is( $dt->month, 1, 'month set on year rollover' );
is( $dt->datetime, '1997-01-17T18:30:20', 'okay on year rollover' );
$dt->add( weeks => 2 );
is( $dt->datetime, '1997-01-31T18:30:20', 'Adding weeks' );
$dt->add( seconds => 15 );
is( $dt->datetime, '1997-01-31T18:30:35', 'Adding seconds' );
$dt->add( minutes => 12 );
is( $dt->datetime, '1997-01-31T18:42:35', 'Adding minutes' );
$dt->add( minutes => 25, hours => 3, seconds => 7 );
is( $dt->datetime, '1997-01-31T22:07:42', 'Adding h,m,s' );
}
{
# Now, test the adding of durations
my $dt = DateTime->new(
year => 1986, month => 1, day => 28,
hour => 16, minute => 38,
time_zone => 'UTC'
);
$dt->add( minutes => 1, seconds => 12 );
is(
$dt->datetime, '1986-01-28T16:39:12',
'Adding durations with minutes and seconds works'
);
}
{
my $dt = DateTime->new(
year => 1986, month => 1, day => 28,
hour => 16, minute => 38,
time_zone => 'UTC'
);
$dt->add( seconds => 30 );
is(
$dt->datetime, '1986-01-28T16:38:30',
'Adding durations with seconds only works'
);
}
{
my $dt = DateTime->new(
year => 1986, month => 1, day => 28,
hour => 16, minute => 38,
time_zone => 'UTC'
);
$dt->add( hours => 1, minutes => 10 );
is(
$dt->datetime, '1986-01-28T17:48:00',
'Adding durations with hours and minutes works'
);
}
{
my $dt = DateTime->new(
year => 1986, month => 1, day => 28,
hour => 16, minute => 38,
time_zone => 'UTC'
);
$dt->add( days => 3 );
is(
$dt->datetime, '1986-01-31T16:38:00',
'Adding durations with days only works'
);
}
{
my $dt = DateTime->new(
year => 1986, month => 1, day => 28,
hour => 16, minute => 38,
time_zone => 'UTC'
);
$dt->add( days => 3, hours => 2 );
is(
$dt->datetime, '1986-01-31T18:38:00',
'Adding durations with days and hours works'
);
}
{
my $dt = DateTime->new(
year => 1986, month => 1, day => 28,
hour => 16, minute => 38,
time_zone => 'UTC'
);
$dt->add( days => 3, hours => 2, minutes => 20, seconds => 15 );
is(
$dt->datetime, '1986-01-31T18:58:15',
'Adding durations with days, hours, minutes, and seconds works'
);
}
{
# Add 15M - this test failed at one point in N::I::Time
my $dt = DateTime->new(
year => 2001, month => 4, day => 5,
hour => 16,
time_zone => 'UTC'
);
$dt->add( minutes => 15 );
is(
$dt->datetime, '2001-04-05T16:15:00',
'Adding minutes to an ical string'
);
# Subtract a duration
$dt->add( minutes => -15 );
is( $dt->datetime, '2001-04-05T16:00:00', 'Back where we started' );
}
{
# Syntactic sugar works as well
my $dt = DateTime->new(
year => 2016, month => 11, day => 11,
hour => 17,
time_zone => 'UTC'
);
my $duration = DateTime::Duration->new( years => 1 );
$dt->add($duration);
is(
$dt->datetime, '2017-11-11T17:00:00',
'Adding a Duration object via ->add works',
);
$duration = DateTime::Duration->new( months => 5, days => 1 );
$dt->subtract($duration);
is(
$dt->datetime, '2017-06-10T17:00:00',
'Subtracting a Duration object via ->subtract works',
);
}
{
my $dt = DateTime->new(
year => 1986, month => 1, day => 28,
hour => 16, minute => 38,
time_zone => 'UTC'
);
$dt->add( seconds => 60 );
is(
$dt->datetime, '1986-01-28T16:39:00',
'adding positive seconds with seconds works'
);
$dt->add( seconds => -120 );
is(
$dt->datetime, '1986-01-28T16:37:00',
'adding negative seconds with seconds works'
);
}
{
# test sub months
my $dt = DateTime->new(
year => 2001, month => 1, day => 31,
time_zone => 'UTC',
);
$dt->add( days => 1 );
is( $dt->date, '2001-02-01', 'february 1st' );
}
{
my $dt = DateTime->new(
year => 2001, month => 2, day => 28,
time_zone => 'UTC',
);
$dt->add( days => 1 );
is( $dt->date, '2001-03-01', 'march 1st' );
}
{
my $dt = DateTime->new(
year => 2001, month => 3, day => 31,
time_zone => 'UTC',
);
$dt->add( days => 1 );
is( $dt->date, '2001-04-01', 'april 1st' );
}
{
my $dt = DateTime->new(
year => 2001, month => 4, day => 30,
time_zone => 'UTC',
);
$dt->add( days => 1 );
is( $dt->date, '2001-05-01', 'may 1st' );
}
{
my $dt = DateTime->new(
year => 2001, month => 5, day => 31,
time_zone => 'UTC',
);
$dt->add( days => 1 );
is( $dt->date, '2001-06-01', 'june 1st' );
}
{
my $dt = DateTime->new(
year => 2001, month => 6, day => 30,
time_zone => 'UTC',
);
$dt->add( days => 1 );
is( $dt->date, '2001-07-01', 'july 1st' );
}
{
my $dt = DateTime->new(
year => 2001, month => 7, day => 31,
time_zone => 'UTC',
);
$dt->add( days => 1 );
is( $dt->date, '2001-08-01', 'august 1st' );
}
{
my $dt = DateTime->new(
year => 2001, month => 8, day => 31,
time_zone => 'UTC',
);
$dt->add( days => 1 );
is( $dt->date, '2001-09-01', 'september 1st' );
}
{
my $dt = DateTime->new(
year => 2001, month => 9, day => 30,
time_zone => 'UTC',
);
$dt->add( days => 1 );
is( $dt->date, '2001-10-01', 'october 1st' );
}
{
my $dt = DateTime->new(
year => 2001, month => 10, day => 31,
time_zone => 'UTC',
);
$dt->add( days => 1 );
is( $dt->date, '2001-11-01', 'november 1st' );
}
{
my $dt = DateTime->new(
year => 2001, month => 11, day => 30,
time_zone => 'UTC',
);
$dt->add( days => 1 );
is( $dt->date, '2001-12-01', 'december 1st' );
}
{
my $dt = DateTime->new(
year => 2001, month => 12, day => 31,
time_zone => 'UTC',
);
$dt->add( days => 1 );
is( $dt->date, '2002-01-01', 'january 1st' );
}
{
# Before leap day, not a leap year ...
my $dt = DateTime->new(
year => 2001, month => 2, day => 28,
time_zone => 'UTC',
);
$dt->add( years => 1 );
is( $dt->date, '2002-02-28', 'Adding a year' );
$dt->add( years => 17 );
is( $dt->date, '2019-02-28', 'Adding 17 years' );
}
{
# After leap day, not a leap year ...
my $dt = DateTime->new(
year => 2001, month => 3, day => 28,
time_zone => 'UTC',
);
$dt->add( years => 1 );
is( $dt->date, '2002-03-28', 'Adding a year' );
$dt->add( years => 17 );
is( $dt->date, '2019-03-28', 'Adding 17 years' );
}
{
# On leap day, in a leap year ...
my $dt = DateTime->new(
year => 2000, month => 2, day => 29,
time_zone => 'UTC',
);
$dt->add( years => 1 );
is( $dt->date, '2001-03-01', 'Adding a year' );
$dt->add( years => 17 );
is( $dt->date, '2018-03-01', 'Adding 17 years' );
}
{
# Before leap day, in a leap year ...
my $dt = DateTime->new(
year => 2000, month => 2, day => 28,
time_zone => 'UTC',
);
$dt->add( years => 1 );
is( $dt->date, '2001-02-28', 'Adding a year' );
$dt->add( years => 17 );
is( $dt->date, '2018-02-28', 'Adding 17 years' );
}
{
# After leap day, in a leap year ...
my $dt = DateTime->new(
year => 2000, month => 3, day => 28,
time_zone => 'UTC',
);
$dt->add( years => 1 );
is( $dt->date, '2001-03-28', 'Adding a year' );
$dt->add( years => 17 );
is( $dt->date, '2018-03-28', 'Adding 17 years' );
}
{
# Test a bunch of years, before leap day
for ( 1 .. 99 ) {
my $dt = DateTime->new(
year => 2000, month => 2, day => 28,
time_zone => 'UTC',
);
$dt->add( years => $_ );
my $x = sprintf '%02d', $_;
is( $dt->date, "20${x}-02-28", "Adding $_ years" );
}
# Test a bunch of years, after leap day
for ( 1 .. 99 ) {
my $dt = DateTime->new(
year => 2000, month => 3, day => 28,
time_zone => 'UTC',
);
$dt->add( years => $_ );
my $x = sprintf '%02d', $_;
is( $dt->date, "20${x}-03-28", "Adding $_ years" );
}
}
# And more of the same, starting on a non-leap year
{
# Test a bunch of years, before leap day
for ( 1 .. 97 ) {
my $dt = DateTime->new(
year => 2002, month => 2, day => 28,
time_zone => 'UTC',
);
$dt->add( years => $_ );
my $x = sprintf '%02d', $_ + 2;
is( $dt->date, "20${x}-02-28", "Adding $_ years" );
}
# Test a bunch of years, after leap day
for ( 1 .. 97 ) {
my $dt = DateTime->new(
year => 2002, month => 3, day => 28,
time_zone => 'UTC',
);
$dt->add( years => $_ );
my $x = sprintf '%02d', $_ + 2;
is( $dt->date, "20${x}-03-28", "Adding $_ years" );
}
}
{
# subtract years
for ( 1 .. 97 ) {
my $dt = DateTime->new(
year => 1999, month => 3, day => 1,
time_zone => 'UTC',
);
$dt->add( years => -$_ );
my $x = sprintf '%02d', 99 - $_;
is( $dt->date, "19${x}-03-01", "Subtracting $_ years" );
}
}
# test some old bugs
{
# bug adding months where current month + months added were > 25
my $dt = DateTime->new(
year => 1997, month => 12, day => 1,
time_zone => 'UTC',
);
$dt->add( months => 14 );
is( $dt->date, '1999-02-01', 'Adding months--rollover year' );
}
{
# bug subtracting months with year rollover
my $dt = DateTime->new(
year => 1997, month => 1, day => 1,
time_zone => 'UTC',
);
$dt->add( months => -1 );
is( $dt->date, '1996-12-01', 'Subtracting months--rollover year' );
my $new = $dt + DateTime::Duration->new( years => 2 );
is( $new->date, '1998-12-01', 'test + overloading' );
}
{
my $dt = DateTime->new(
year => 1997, month => 1, day => 1,
hour => 1, minute => 1, second => 59,
nanosecond => 500000000,
time_zone => 'UTC',
);
$dt->add( nanoseconds => 500000000 );
is( $dt->second, 0, 'fractional second rollover' );
$dt->add( nanoseconds => 123000000 );
is( $dt->fractional_second, 0.123, 'as fractional_second' );
}
{
my $dt = DateTime->new( year => 2003, month => 2, day => 28 );
$dt->add( months => 1, days => 1 );
is( $dt->ymd, '2003-04-01', 'order of units in date math' );
}
{
my $dt = DateTime->new( year => 2003, hour => 12, minute => 1 );
$dt->add( minutes => 30, seconds => -1 );
is( $dt->hour, 12, 'hour is 12' );
is( $dt->minute, 30, 'minute is 30' );
is( $dt->second, 59, 'second is 59' );
}
{
my $dt = DateTime->new(
year => 2014,
month => 7,
day => 1,
time_zone => 'floating',
);
$dt->add( days => 2 );
is( $dt->date, '2014-07-03', 'adding 2 days to a floating datetime' );
}
{
my $dt = DateTime->new( year => 0, month => 1, day => 1 );
my $dt2;
is(
exception { $dt2 = $dt->clone->add( days => 268_526_345 ) },
undef,
'no exception adding 268,526,345 days to 0000-01-01'
);
if ($dt2) {
is(
$dt2->ymd(),
'735200-02-29',
'adding 268,526,345 days produces 735200-02-29'
);
}
}
done_testing();
|
