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use strict;
use warnings;
# Reference: RT#13158: Needs test: empty name/value, when saved, prevents proper restore from filehandle.
# https://rt.cpan.org/Ticket/Display.html?id=13158
use Test::More tests => 3;
use IO::File;
use CGI;
$CGI::LIST_CONTEXT_WARN = 0;
my $cgi = CGI->new('a=1;=;b=2;=3');
ok eq_set (['a', '', 'b'], [$cgi->param]);
# not File::Temp, since that wasn't in core at 5.6.0
my $tmp = IO::File->new_tmpfile;
$cgi->save($tmp);
$tmp->seek(0,0);
$cgi = CGI->new($tmp);
ok eq_set (['a', '', 'b'], [$cgi->param]);
is $cgi->param(''), 3; # '=' is lost, '=3' is retained