+{
+ my $git = PublicInbox::Git->new($dir);
+ my $s = $git->date_parse('1970-01-01T00:00:00Z');
+ is($s, 0, 'parsed epoch');
+ local $ENV{TZ} = 'UTC';
+ $s = $git->date_parse('1993-10-02 01:02:09');
+ is(strftime('%Y-%m-%dT%H:%M:%SZ', gmtime($s)), '1993-10-02T01:02:09Z',
+ 'round trips');
+ $s = $git->date_parse('1993-10-02');
+ is(strftime('%Y-%m-%d', gmtime($s)), '1993-10-02',
+ 'round trips date-only');
+}