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t/05_tuples.t  view on Meta::CPAN

use strict;
use warnings;

use FindBin qw($Bin);
use lib $Bin;

use Test::More qw(no_plan);

use Algorithm::Combinatorics qw(tuples);
use Tester;

my $tester = Tester->__new(\&tuples);

my (@result, @expected);

# ---------------------------------------------------------------------

eval { tuples() };
ok($@, '');

eval { tuples([1]) };
ok($@, '');

eval { tuples(0, 0) };
ok($@, '');

# ---------------------------------------------------------------------

@expected = ([]);
$tester->__test(\@expected, [], 0);

@expected = ([]);
$tester->__test(\@expected, [1, 2], 0);

# ---------------------------------------------------------------------

@expected = (["foo"]);
$tester->__test(\@expected, ["foo"], 1);

# ---------------------------------------------------------------------

@expected = (["foo"], ["bar"]);
$tester->__test(\@expected, ["foo", "bar"], 1);

# ---------------------------------------------------------------------

@expected = (
    ["foo", "bar"],
    ["bar", "foo"],
);
$tester->__test(\@expected, ["foo", "bar"], 2);

# ---------------------------------------------------------------------

@expected = (
    ["foo", "bar"],
    ["foo", "baz"],
    ["bar", "foo"],
    ["bar", "baz"],
    ["baz", "foo"],
    ["baz", "bar"],
);
$tester->__test(\@expected, ["foo", "bar", "baz"], 2);

# ---------------------------------------------------------------------