shuffle.t

来自「source of perl for linux application,」· T 代码 · 共 37 行

#!./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 Test::More tests => 6;

use List::Util qw(shuffle);

my @r;

@r = shuffle();
ok( !@r,	'no args');

@r = shuffle(9);
is( 0+@r,	1,	'1 in 1 out');
is( $r[0],	9,	'one arg');

my @in = 1..100;
@r = shuffle(@in);
is( 0+@r,	0+@in,	'arg count');

isnt( "@r",	"@in",	'result different to args');

my @s = sort { $a <=> $b } @r;
is( "@in",	"@s",	'values');