1use strict;
2BEGIN { $^W = 1 }
3
4use Test::More tests => 10;
5use DateTime;
6use DateTime::Format::Epoch;
7
8my $dt = DateTime->new( year  => 1970, month => 1, day   => 1 );
9
10my $f = DateTime::Format::Epoch->new( epoch => $dt, unit => 'nanoseconds' );
11my $f_m = DateTime::Format::Epoch->new( epoch => $dt, unit => 'milliseconds' );
12my $f_mu = DateTime::Format::Epoch->new( epoch => $dt, unit => 'microseconds' );
13my $f_d = DateTime::Format::Epoch->new( epoch => $dt, unit => 10 );
14
15isa_ok($f, 'DateTime::Format::Epoch' );
16
17is($f->format_datetime($dt) + 0, 0*1e9, 'Epoch = 0');
18isa_ok($f->format_datetime($dt), 'Math::BigInt');
19
20$dt->set( hour => 1 );
21is($f->format_datetime($dt) + 0, 3600*1e9, 'Epoch + 1hour');
22
23$dt->set( day => 2, hour => 0 );
24is($f->format_datetime($dt) + 0, 24*3600*1e9, 'Epoch + 1day');
25
26$dt = DateTime->new( year => 2003, month => 4, day => 27,
27                     hour => 21, minute => 9, second => 57,
28                     nanosecond => 8e8, time_zone => 'Europe/Amsterdam' );
29
30like($f->format_datetime($dt), qr/^\+?1051470597800000000/, '"now"');
31is($f_m->format_datetime($dt), 1051470597800, '"now" (milli)');
32is($f_mu->format_datetime($dt), 1051470597800000, '"now" (micro)');
33is($f_d->format_datetime($dt), 10514705978, '"now" (deci)');
34
35$dt = DateTime->new( year => 1969, month => 12, day => 22 );
36is($f->format_datetime($dt), -10*24*3600*1e9, 'Epoch - 10days');
37