#!/usr/bin/perl -w
# Copyright 2010, 2011 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 => 6;
use lib 't';
use MyTestHelpers;
MyTestHelpers::nowarnings();
use Math::NumSeq::ChampernowneBinary;
#------------------------------------------------------------------------------
# VERSION
{
my $want_version = 86;
ok ($Math::NumSeq::ChampernowneBinary::VERSION, $want_version,
'VERSION variable');
ok (Math::NumSeq::ChampernowneBinary->VERSION, $want_version,
'VERSION class method');
ok (eval { Math::NumSeq::ChampernowneBinary->VERSION($want_version); 1 },
1,
"VERSION class check $want_version");
my $check_version = $want_version + 1000;
ok (! eval { Math::NumSeq::ChampernowneBinary->VERSION($check_version); 1 },
1,
"VERSION class check $check_version");
}
#------------------------------------------------------------------------------
# values
{
my @want = (1, 2, 4,5, 6, 9,11, 12,13, 15,16,17);
my $hi = $want[-1];
my $values_obj = Math::NumSeq::ChampernowneBinary->new (lo => 1,
hi => $hi);
my @got;
while (my ($i, $value) = $values_obj->next) {
if ($value <= $hi) {
push @got, $value;
} else {
last;
}
}
my $got = join(',',@got);
my $want = join(',',@want);
ok ($got, $want,
'ChampernowneBinary 1 to 17 iterator');
}
#------------------------------------------------------------------------------
# pred
{
my $hi = 5000;
my $values_obj = Math::NumSeq::ChampernowneBinary->new (hi => $hi);
my $good = 1;
my $prev = -1;
while (my ($i, $next) = $values_obj->next) {
foreach my $n ($prev+1 .. $next-1) {
if ($values_obj->pred($n)) {
MyTestHelpers::diag("ChampernowneBinary pred() vs seq: $n pred yes, seq no");
$good = 0;
}
}
if (! $values_obj->pred($next)) {
MyTestHelpers::diag("ChampernowneBinary pred() vs seq: $next pred no, seq yes");
$good = 0;
}
$prev = $next;
last if $next > $hi;
}
ok ($good, 1, "pred() to $hi");
}
exit 0;