#!/usr/bin/perl -w
# Copyright 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 => 52;
use lib 't';
use MyTestHelpers;
MyTestHelpers::nowarnings();
use Math::NumSeq::WoodallNumbers;
# uncomment this to run the ### lines
#use Smart::Comments;
#------------------------------------------------------------------------------
# VERSION
{
my $want_version = 71;
ok ($Math::NumSeq::WoodallNumbers::VERSION, $want_version,
'VERSION variable');
ok (Math::NumSeq::WoodallNumbers->VERSION, $want_version,
'VERSION class method');
ok (eval { Math::NumSeq::WoodallNumbers->VERSION($want_version); 1 },
1,
"VERSION class check $want_version");
my $check_version = $want_version + 1000;
ok (! eval { Math::NumSeq::WoodallNumbers->VERSION($check_version); 1 },
1,
"VERSION class check $check_version");
}
#------------------------------------------------------------------------------
# characteristic()
{
my $seq = Math::NumSeq::WoodallNumbers->new;
ok ($seq->i_start, 1, 'i_start()');
ok ($seq->characteristic('digits'), undef, 'characteristic(digits)');
ok (! $seq->characteristic('smaller'), 1, 'characteristic(smaller)');
ok (! $seq->characteristic('count'), 1, 'characteristic(count)');
ok ($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'), $seq->i_start,
'characteristic(increasing_from_i)');
ok ($seq->characteristic('non_decreasing_from_i'), $seq->i_start,
'characteristic(non_decreasing_from_i)');
my @pnames = map {$_->{'name'}} $seq->parameter_info_list;
ok (join(',',@pnames),
'');
}
#------------------------------------------------------------------------------
# seek_to_i()
{
my $seq = Math::NumSeq::WoodallNumbers->new;
foreach my $i (0 .. 10, 32, 64, 128) {
$seq->seek_to_i($i);
my ($got_i, $got_value) = $seq->next;
ok ($got_i, $i);
ok ($got_value, $seq->ith($i),
"seek_to_i($i) value");
}
}
#------------------------------------------------------------------------------
# pred()
{
my $seq = Math::NumSeq::WoodallNumbers->new;
ok (! $seq->pred(0), 1);
ok ($seq->pred(1), 1);
ok (! $seq->pred(3), 1);
ok (! $seq->pred(6), 1);
ok ($seq->pred(7), 1);
ok (! $seq->pred(8), 1);
ok (! $seq->pred(22), 1);
ok ($seq->pred(23), 1);
ok (! $seq->pred(24), 1);
}
#------------------------------------------------------------------------------
# value_to_i_floor()
{
my $bad = 0;
my $seq = Math::NumSeq::WoodallNumbers->new;
my ($i, $value) = $seq->next;
OUTER: foreach (1 .. 10) {
my ($next_i, $next_value) = $seq->next;
foreach my $try_value ($value .. $next_value-1) {
my $got_i = $seq->value_to_i_floor($try_value);
if ($i != $got_i) {
MyTestHelpers::diag ("value_to_i_floor($try_value) got $got_i want $i");
last OUTER if $bad++ > 2000;
}
}
$i = $next_i;
$value = $next_value;
}
ok ($bad, 0, 'value_to_i_floor()');
}
exit 0;