File: shuffle.t

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#!./perl

BEGIN {
    unless (-d 'blib') {
	chdir 't' if -d 't';
	@INC = '../lib';
	require Config; import Config;
	keys %Config; # Silence warning
	if ($Config{extensions} !~ /\bList\/Util\b/) {
	    print "1..0 # Skip: List::Util was not built\n";
	    exit 0;
	}
    }
}


use List::Util qw(shuffle);

print "1..5\n";

my @r;

@r = shuffle();
print "not " if @r;
print "ok 1\n";

@r = shuffle(9);
print "not " unless @r == 1 and $r[0] = 9;
print "ok 2\n";

my @in = 1..100;
@r = shuffle(@in);
print "not " unless @r == @in;
print "ok 3\n";

print "not " if join("",@r) eq join("",@in);
print "ok 4\n";

print "not " if join("",sort { $a <=> $b } @r) ne join("",@in);
print "ok 5\n";