#!/usr/bin/perl -w
# Copyright 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;
use lib 't';
use MyTestHelpers;
MyTestHelpers::nowarnings();
use Math::NumSeq::HafermanCarpet;
# uncomment this to run the ### lines
#use Devel::Comments;
my $test_count = (tests => 22)[1];
plan tests => $test_count;
#------------------------------------------------------------------------------
# VERSION
{
my $want_version = 70;
ok ($Math::NumSeq::HafermanCarpet::VERSION, $want_version,
'VERSION variable');
ok (Math::NumSeq::HafermanCarpet->VERSION, $want_version,
'VERSION class method');
ok (eval { Math::NumSeq::HafermanCarpet->VERSION($want_version); 1 },
1,
"VERSION class check $want_version");
my $check_version = $want_version + 1000;
ok (! eval { Math::NumSeq::HafermanCarpet->VERSION($check_version); 1 },
1,
"VERSION class check $check_version");
}
#------------------------------------------------------------------------------
# characteristic()
{
my $seq = Math::NumSeq::HafermanCarpet->new;
ok ($seq->characteristic('smaller'), 1, 'characteristic(smaller)');
ok ($seq->characteristic('integer'), 1, 'characteristic(integer)');
ok (! $seq->characteristic('increasing'), 1,
'characteristic(increasing)');
ok (! $seq->characteristic('non_decreasing'), 1,
'characteristic(non_decreasing)');
ok ($seq->characteristic('increasing_from_i'), undef,
'characteristic(increasing_from_i)');
ok ($seq->characteristic('non_decreasing_from_i'), undef,
'characteristic(non_decreasing_from_i)');
}
#------------------------------------------------------------------------------
# sample values from the POD docs
foreach my $initial_value (0, 1) {
my $seq = Math::NumSeq::HafermanCarpet->new
(initial_value => $initial_value);
ok (7*81 + 4*9 + 6, 609);
ok ($seq->ith(609), 1);
ok (4*81 + 3*9 + 6, 357);
ok ($seq->ith(357), 0);
ok (6*9 + 4, 58);
ok ($seq->ith(58), $initial_value);
}
#------------------------------------------------------------------------------
exit 0;