#!/usr/bin/perl

# taken from TimeDate-1.16/t/getdate.t
use strict;
use warnings;

use lib qw( ./lib );

use Test::More;

use DateTime;
use DateTime::Duration;
use DateTime::Format::DateParse;

my $data = qq!1995-01-24                ;790905600
1995-06-24                           ;803952000
92/01/02 12:01               ;694353660
92/01/02 12:01 AM            ;694310460
92/01/02 12:01 PM            ;694353660
2002-11-02 11pm GMT          ;1036278000
2002-11-02 11 pm GMT             ;1036278000
1995-01-24  GMT                      ;790905600
1995-01-24  BST                      ;790902000
1995-06-24  GMT                      ;803952000
1995-06-24  BST                      ;803948400
1992-1-2 12:01 GMT           ;694353660
Wed, 16 Jun 94 07:29:35 CST          ;771773375
Wed,16 Jun 94 07:29:35 CST           ;771773375
Wed, 16 Nov 94 07:29:35 CST          ;784992575
Mon, 21 Nov 94 07:42:23 CST          ;785425343
Mon, 21 Nov 94 04:28:18 CST          ;785413698
Tue, 15 Nov 94 09:15:10 GMT          ;784890910
Wed, 16 Nov 94 09:39:49 GMT          ;784978789
Wed, 16 Nov 94 09:23:17 GMT          ;784977797
Wed, 16 Nov 94 12:39:49 GMT          ;784989589
Wed, 16 Nov 94 14:03:06 GMT          ;784994586
Wed, 16 Nov 94 05:30:51 CST          ;784985451
Thu, 17 Nov 94 03:19:30 CST          ;785063970
1994:11:21T14:05:32+0000         ;785426732
Mon, 21 Nov 94 14:05:32 GMT          ;785426732
Mon, 14 Nov 94 15:08:49 CST          ;784847329
Wed, 16 Nov 94 14:48:06 GMT          ;784997286
Thu, 17 Nov 94 14:22:03 GMT          ;785082123
Wed, 16 Nov 94 14:36:00 GMT          ;784996560
Wed, 16 Nov 94 09:23:17 GMT          ;784977797
Wed, 16 Nov 94 10:01:43 GMT          ;784980103
Wed, 16 Nov 94 15:03:35 GMT          ;784998215
Mon, 21 Nov 94 13:55:19 GMT          ;785426119
Wed, 16 Nov 94 08:46:11 CST          ;784997171
Wed, 9 Nov 1994 09:50:32 -0500 (EST) ;784392632
Thu, 13 Oct 94 10:13:13 -0700        ;782068393
Sat, 19 Nov 1994 16:59:14 +0100      ;785260754
Thu, 3 Nov 94 14:10:47 EST       ;783889847
Thu, 3 Nov 94 21:51:09 EST       ;783917469
Fri, 4 Nov 94 9:24:52 EST        ;783959092
Wed, 9 Nov 94 09:38:54 EST       ;784391934
Mon, 14 Nov 94 13:20:12 EST          ;784837212
Wed, 16 Nov 94 17:09:13 EST          ;785023753
Tue, 15 Nov 94 12:27:01 PST          ;784931221
Fri, 18 Nov 1994 07:34:05 -0600      ;785165645
Mon, 21 Nov 94 14:34:28 -0500        ;785446468
Fri, 18 Nov 1994 12:05:47 -0800 (PST);785189147
Fri, 18 Nov 1994 12:36:26 -0800 (PST);785190986
Wed, 16 Nov 1994 15:58:58 GMT        ;785001538
Sun, 06 Nov 94 14:27:40 -0500        ;784150060
Mon, 07 Nov 94 08:20:13 -0500        ;784214413
Mon, 07 Nov 94 16:48:42 -0500        ;784244922
Wed, 09 Nov 94 15:46:16 -0500        ;784413976
Sun, 6 Nov 1994 02:38:17 -0800       ;784118297
Tue, 1 Nov 1994 13:53:49 -0500       ;783716029
Tue, 15 Nov 94 08:31:59 +0100        ;784884719
Sun, 6 Nov 1994 11:09:12 -0500 (IST) ;784138152
Fri, 4 Nov 94 12:52:10 EST       ;783971530
Mon, 31 Oct 1994 14:17:39 -0500 (EST);783631059
Mon, 14 Nov 94 11:25:00 CST          ;784833900
Mon, 14 Nov 94 13:26:29 CST          ;784841189
Fri, 18 Nov 94 8:42:47 CST       ;785169767
Thu, 17 Nov 94 14:32:01 +0900        ;785050321
Wed, 2 Nov 94 18:16:31 +0100         ;783796591
Fri, 18 Nov 94 10:46:26 +0100        ;785151986
Tue, 8 Nov 1994 22:39:28 +0200       ;784327168
Wed, 16 Nov 1994 10:01:08 -0500 (EST);784998068
Wed, 2 Nov 1994 16:59:42 -0800       ;783824382
Wed, 9 Nov 94 10:00:23 PST       ;784404023
Fri, 18 Nov 94 17:01:43 PST          ;785206903
Mon, 14 Nov 1994 14:47:46 -0500      ;784842466
Mon, 21 Nov 1994 04:56:04 -0500 (EST);785411764
Mon, 21 Nov 1994 11:50:12 -0800      ;785447412
Sat, 5 Nov 1994 14:04:16 -0600 (CST) ;784065856
Sat, 05 Nov 94 13:10:13 MST          ;784066213
Wed, 02 Nov 94 10:47:48 -0800        ;783802068
Wed, 02 Nov 94 13:19:15 -0800        ;783811155
Thu, 03 Nov 94 15:27:07 -0800        ;783905227
Fri, 04 Nov 94 09:12:12 -0800        ;783969132
Wed, 9 Nov 1994 10:13:03 +0000 (GMT) ;784375983
Wed, 9 Nov 1994 15:28:37 +0000 (GMT) ;784394917
Wed, 2 Nov 1994 17:37:41 +0100 (MET) ;783794261
05 Nov 94 14:22:19 PST           ;784074139
16 Nov 94 22:28:20 PST           ;785053700
Tue, 1 Nov 1994 19:51:15 -0800       ;783748275
Wed, 2 Nov 94 12:21:23 GMT       ;783778883
Fri, 18 Nov 94 18:07:03 GMT          ;785182023
Wed, 16 Nov 1994 11:26:27 -0500      ;785003187
Sun, 6 Nov 1994 13:48:49 -0500       ;784147729
Tue, 8 Nov 1994 13:19:37 -0800       ;784329577
Fri, 18 Nov 1994 11:01:12 -0800      ;785185272
Mon, 21 Nov 1994 00:47:58 -0500      ;785396878
Mon, 7 Nov 1994 14:22:48 -0800 (PST) ;784246968
Wed, 16 Nov 1994 15:56:45 -0800 (PST);785030205
Thu, 3 Nov 1994 13:17:47 +0000       ;783868667
Wed, 9 Nov 1994 17:32:50 -0500 (EST) ;784420370
Wed, 9 Nov 94 16:31:52 PST       ;784427512
Wed, 09 Nov 94 10:41:10 -0800        ;784406470
Wed, 9 Nov 94 08:42:22 MST       ;784395742
Mon, 14 Nov 1994 08:32:13 -0800      ;784830733
Mon, 14 Nov 1994 11:34:32 -0500 (EST);784830872
Mon, 14 Nov 94 16:48:09 GMT      ;784831689
Tue, 15 Nov 1994 10:27:33 +0000      ;784895253
Wed, 02 Nov 94 13:56:54 MST          ;783809814
Thu, 03 Nov 94 15:24:45 MST          ;783901485
Thu, 3 Nov 1994 15:13:53 -0700 (MST) ;783900833
Fri, 04 Nov 94 08:15:13 MST          ;783962113
Thu, 3 Nov 94 18:15:47 EST       ;783904547
Tue, 08 Nov 94 07:02:33 MST          ;784303353
Thu, 3 Nov 94 18:15:47 EST       ;783904547
Tue, 15 Nov 94 07:26:05 MST          ;784909565
Wed, 2 Nov 1994 00:00:55 -0600 (CST) ;783756055
Sun, 6 Nov 1994 01:19:13 -0600 (CST) ;784106353
Mon, 7 Nov 1994 23:16:57 -0600 (CST) ;784271817
Tue, 08 Nov 1994 13:21:21 -0600      ;784322481
Mon, 07 Nov 94 13:47:37 PST          ;784244857
Tue, 08 Nov 94 11:23:19 PST          ;784322599
Tue, 01 Nov 1994 11:28:25 -0800      ;783718105
Tue, 15 Nov 1994 13:11:47 -0800      ;784933907
Tue, 15 Nov 1994 13:18:38 -0800      ;784934318
Tue, 15 Nov 1994 0:18:38 -0800       ;784887518
Jul 13 1999 1:23P GMT            ;931872180
Jul 13 1999 1:23P.M GMT          ;931872180
Jul 13 1999 1:23P.M. GMT         ;931872180
2001-02-26T13:44:12-0700         ;983220252
2001-02-26T13:44-0700            ;983220240
2001-02-26T13-0700           ;983217600
2001-02-26T13-44-12-0700         ;983220252
2001-02-26T13-44-0700            ;983220240
2001-02-26T13-0700           ;983217600
07/Nov/2000:16:45:56 +0100       ;973611956
2002-11-07T23:31:49-05:00        ;1036729909
2003-02-17T07:45:56Z             ;1045467956
2003-02-17T08:14:07.198189+0000      ;1045469647.198189
!;

my @data = split(/\n/, $data);

plan tests => scalar @data;

my $test_num = 0;
foreach my $test (@data) {
    $test_num++;

    my ($format, $time) = split( ';', $test );

    my $dt = DateTime::Format::DateParse->parse_datetime( $format );
    my $testdt = DateTime->from_epoch( epoch => $time );
    # Make sure that the test format & epoch time are compared in the same time
    # zone.  This fixes the issue with the epoch time being relative to UTC but
    # the format being intereprated as being in the local (non-UTC) timezone.
    $testdt->set_time_zone($dt->time_zone);

    # The first five tests are parsed in the current time zone
    # But the check number is in GMT
    if ( $test_num < 6 ) {
        # convert local time to 'UTC'
        $dt = $dt + DateTime::Duration->new(
            seconds => $dt->time_zone->offset_for_datetime( $dt )
        );
    }

    # skip testing "2003-02-17T08:14:07.198189+0000"
    if ( $test_num == 135 ) {
        SKIP: {
            skip "This test exceedes DateTime's precision limit", 1;
        };
        next;
    }

    is( $dt, $testdt, $format . " " . $dt->nanosecond. " " . $testdt->nanosecond);
}