use strict;
use HTTP::Headers::Util qw(split_header_words join_header_words);

my $extra_tests = 2;

my @s_tests = (

   ["foo"                     => "foo"],
   ["foo=bar"                 => "foo=bar"],
   ["   foo   "               => "foo"],
   ["foo="                    => 'foo=""'],
   ["foo=bar bar=baz"         => "foo=bar; bar=baz"],
   ["foo=bar;bar=baz"         => "foo=bar; bar=baz"],
   ['foo bar baz'             => "foo; bar; baz"],
   ['foo="\"" bar="\\\\"'     => 'foo="\""; bar="\\\\"'],
   ['foo,,,bar'               => 'foo, bar'],
   ['foo=bar,bar=baz'         => 'foo=bar, bar=baz'],

   ['text/html; charset=iso-8859-1' =>
    'text/html; charset=iso-8859-1'],

   ['foo="bar"; port="80,81"; discard, bar=baz' =>
    'foo=bar; port="80,81"; discard, bar=baz'],

   ['Basic realm="\"foo\\\\bar\""' =>
    'Basic; realm="\"foo\\\\bar\""'],
);

print "1..", @s_tests + $extra_tests, "\n";

my $testno = 1;

print "split_header_words() tests\n";
for (@s_tests) {
   my($arg, $expect) = @$_;
   my @arg = ref($arg) ? @$arg : $arg;

   my $res = join_header_words(split_header_words(@arg));
   if ($res ne $expect) {
       print "\nUnexpected result: '$res'\n";
       print "         Expected: '$expect'\n";
       print "  when parsing '", join(", ", @arg), "'\n";
       eval {
	   require Data::Dumper;
           my @p = split_header_words(@arg);
           print Data::Dumper::Dumper(\@p);
       };
       print "not ";
   }
   print "ok ", $testno++, "\n";
}


print "Extra tests\n";
# some extra tests
print "not " unless join_header_words("foo" => undef, "bar" => "baz")
                    eq "foo; bar=baz";
print "ok ", $testno++, "\n";

print "not " unless join_header_words() eq "";
print "ok ", $testno++, "\n";