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#!/usr/bin/perl -w

use Test::Simple tests => 4;

use Algorithm::Pair::Swiss;

my $pairer = Algorithm::Pair::Swiss->new;

$pairer->parties(1,2,3,4);

my @pairs = $pairer->pairs;
ok( @pairs == 2,				'two pairs for four parties');

$pairer->exclude(@pairs);
@pairs = $pairer->pairs;
ok( @pairs == 2,				'still two pairs after first exclusion');

$pairer->exclude(@pairs);
@pairs = $pairer->pairs;
ok( @pairs == 2,				'still two pairs after second exclusion');

$pairer->exclude(@pairs);
@pairs = $pairer->pairs;
ok( @pairs == 0,				'no more pairs after third exclusion');