7 require Config; import Config;
8 keys %Config; # Silence warning
9 if ($Config{extensions} !~ /\bList\/Util\b/) {
10 print "1..0 # Skip: List::Util was not built\n";
16 use Test::More tests => 4;
18 use Scalar::Util qw(tainted);
20 ok( !tainted(1), 'constant number');
24 ok( !tainted($var), 'known variable');
26 my $key = (keys %ENV)[0];
28 ok( tainted($ENV{$key}), 'environment variable');
31 ok( tainted($var), 'copy of environment variable');