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BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
require Config; import Config;
if ($Config{extensions} !~ /\bList\/Util\b/) {
print "1..0 # Skip: List::Util was not built\n";
exit 0;
}
}
use Scalar::Util qw(readonly);
print "1..9\n";
print "not " unless readonly(1);
print "ok 1\n";
my $var = 2;
print "not " if readonly($var);
print "ok 2\n";
print "not " unless $var == 2;
print "ok 3\n";
print "not " unless readonly("fred");
print "ok 4\n";
$var = "fred";
print "not " if readonly($var);
print "ok 5\n";
print "not " unless $var eq "fred";
print "ok 6\n";
$var = \2;
print "not " if readonly($var);
print "ok 7\n";
print "not " unless readonly($$var);
print "ok 8\n";
print "not " if readonly(*STDOUT);
print "ok 9\n";
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