+ is_deeply(timestamp($received), [ $ts_expect, $tz_expect ],
+ $received);
+}
+
+sub is_datestamp ($$) {
+ my ($date, $expect) = @_;
+ is_deeply(datestamp($date), $expect, $date);
+}
+is_datestamp('Wed, 13 Dec 2006 10:26:38 +1', [1166001998, '+0100']);
+is_datestamp('Fri, 3 Feb 2006 18:11:22 -00', [1138990282, '+0000']);
+is_datestamp('Thursday, 20 Feb 2003 01:14:34 +000', [1045703674, '+0000']);
+is_datestamp('Fri, 28 Jun 2002 12:54:40 -700', [1025294080, '-0700']);
+is_datestamp('Sat, 12 Jan 2002 12:52:57 -200', [1010847177, '-0200']);
+is_datestamp('Mon, 05 Nov 2001 10:36:16 -800', [1004985376, '-0800']);
+is_datestamp('Tue, 3 Jun 2003 8:58:23 --500', [1054648703, '-0500']);
+is_datestamp('Thu, 18 May 100 10:40:43 +0200 (MET DST)', [958639243, '+0200']);
+is_datestamp('Thu, 18 May 2000 10:40:43 +0200', [958639243, '+0200']);
+is_datestamp('Tue, 27 Feb 2007 16:23:25 -0060', [1172597005, '-0100']);
+is_datestamp('Wed, 20 Dec 2006 05:32:58 -0420', [1166608378, '-0420']);
+is_datestamp('Wed, 20 Dec 2006 05:32:58 +0420', [1166577178, '+0420']);
+is_datestamp('Thu, 14 Dec 2006 00:20:24 +0480', [1166036424, '+0520']);
+is_datestamp('Thu, 14 Dec 2006 00:20:24 -0480', [1166074824, '-0520']);
+is_datestamp('Mon, 14 Apr 2014 07:59:01 -0007', [1397462761, '-0007']);
+
+SKIP: {
+ require_mods('Date::Parse', 1);
+ my $now = time;
+ if (join("\0", gmtime($now)) ne join("\0", localtime($now))) {
+ skip('needs TZ=UTC to test zone-less parsing', 1);
+ }
+ is_datestamp('Sat, 27 Sep 1997 10:02:32', [875354552, '+0000']);
+}
+
+# obsolete formats described in RFC2822
+for (qw(UT GMT Z)) {
+ is_datestamp('Fri, 02 Oct 1993 00:00:00 '.$_, [ 749520000, '+0000']);