[p5sagit/p5-mst-13.2.git] / ext / List-Util / t / shuffle.t

#!./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 <=> $b } @r;
is( "@in",	"@s",	'values');
Commit	Line	Data
1bfb5477	1	#!./perl
	2
	3	BEGIN {
	4	unless (-d 'blib') {
	5	chdir 't' if -d 't';
	6	@INC = '../lib';
	7	require Config; import Config;
	8	keys %Config; # Silence warning
	9	if ($Config{extensions} !~ /\bList\/Util\b/) {
	10	print "1..0 # Skip: List::Util was not built\n";
	11	exit 0;
	12	}
	13	}
	14	}
	15
cf083cf9	16	use Test::More tests => 6;
1bfb5477	17
	18	use List::Util qw(shuffle);
	19
1bfb5477	20	my @r;
	21
	22	@r = shuffle();
cf083cf9	23	ok( !@r, 'no args');
1bfb5477	24
1bfb5477	25	@r = shuffle(9);
cf083cf9	26	is( 0+@r, 1, '1 in 1 out');
cf083cf9	27	is( $r[0], 9, 'one arg');
1bfb5477	28
	29	my @in = 1..100;
	30	@r = shuffle(@in);
cf083cf9	31	is( 0+@r, 0+@in, 'arg count');
1bfb5477	32
cf083cf9	33	isnt( "@r", "@in", 'result different to args');
1bfb5477	34
cf083cf9	35	my @s = sort { $a <=> $b } @r;
cf083cf9	36	is( "@in", "@s", 'values');