#!./perl
use List::Util::Superpositions qw(max);
print "1..5\n";
print "not " unless defined &max;
print "ok 1\n";
print "not " unless max(1) == 1;
print "ok 2\n";
print "not " unless max(1,2) == 2;
print "ok 3\n";
print "not " unless max(2,1) == 2;
print "ok 4\n";
my @a = map { rand() } 1 .. 20;
my @b = sort { $a <=> $b } @a;
print "not " unless max(@a) == $b[-1];
print "ok 5\n";