#!/usr/bin/perl -w
# Copyright 2010, 2011, 2012, 2013, 2014 Kevin Ryde
# This file is part of Math-NumSeq.
#
# Math-NumSeq is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 3, or (at your option) any later
# version.
#
# Math-NumSeq is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License along
# with Math-NumSeq. If not, see <http://www.gnu.org/licenses/>.
use 5.004;
use strict;
use Test;
plan tests => 16;
use lib 't';
use MyTestHelpers;
MyTestHelpers::nowarnings();
use Math::NumSeq::Totient;
# uncomment this to run the ### lines
#use Smart::Comments;
#------------------------------------------------------------------------------
# VERSION
{
my $want_version = 69;
ok ($Math::NumSeq::Totient::VERSION, $want_version, 'VERSION variable');
ok (Math::NumSeq::Totient->VERSION, $want_version, 'VERSION class method');
ok (eval { Math::NumSeq::Totient->VERSION($want_version); 1 },
1,
"VERSION class check $want_version");
my $check_version = $want_version + 1000;
ok (! eval { Math::NumSeq::Totient->VERSION($check_version); 1 },
1,
"VERSION class check $check_version");
}
#------------------------------------------------------------------------------
# characteristic()
{
my $seq = Math::NumSeq::Totient->new;
ok ($seq->characteristic('count'), 1, 'characteristic(count)');
ok ($seq->characteristic('integer'), 1, 'characteristic(integer)');
}
#------------------------------------------------------------------------------
# _totient()
# {
# my $seq = Math::NumSeq::Totient->new;
# foreach my $elem ([0, 0],
# [1, 1],
# [2, 1],
# [3, 2],
# [4, 2],
# [5, 4],
# ) {
# my ($i, $want) = @$elem;
# my $got = Math::NumSeq::Totient::_totient($i);
# ok ($got, $want, "_totient() i=$i got $got want $want");
# }
# }
#------------------------------------------------------------------------------
# _totient()
{
my $seq = Math::NumSeq::Totient->new;
foreach my $elem ([0, 0],
[1, 1],
[2, 1],
[3, 2],
[4, 2],
[5, 4],
[9, 6], # coprime 1,2,4,5,7,8
[10, 4], # coprime 1,3,7,9
[11, 10],
) {
my ($i, $want) = @$elem;
my $got = Math::NumSeq::Totient::_totient($i);
ok ($got, $want, "_totient() i=$i got $got want $want");
}
}
#------------------------------------------------------------------------------
# pred() on BigInt
{
my $seq = Math::NumSeq::Totient->new;
my $small = 120;
require Math::BigInt;
my $big = Math::BigInt->new(120);
ok ($seq->pred($big), $seq->pred($small));
}
exit 0;